Product Specification Table

Core Reliability for High-Pressure Environments

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1. Castings
1.1 Cobalt based castings
1.2 Nickel based castings
1.3 Iron based castings
1.4 Copper based castings

2. Forgings
2.1 Cobalt based forgings
2.2 Nickel based forgings
2.3 Iron based forgings

3. Alloy Powders
3.1 Cobalt based alloy powders
3.2 Nickel based alloy powders
3.3 Iron based alloy powders

4. Welding Rods
 4.1 Cobalt based bare rods
4.2 Nickel based bare rods
4.3 Iron based bare rods
4.4 Alloy Rods for Internal Combustion Engine Valves (chemical composition test value)

5. Electrodes
5.1 Cobalt based Electrodes
5.2 Nickel based Electrodes
5.3 Iron based Electrodes

6. Alloy Deformed Welding Wires
6.1 Cobalt-alloy welding wires
6.2 Nickel-alloy welding wires
6.3 Nickel-alloy welding wires (chemical composition test value)
6.4 Special Alloy Stainless Steel Welding Wire (chemical composition test value)

1.1 Cobalt Based Castings

Metal No.C (%)Cr (%)W (%)Co (%)Hardness (HRC)ApplicationReference Standard
Co1012.52912Bal48-53Used to make valve seats, bearing sleeves, etc.STL1
Co1032.53012.5Bal48-53Used where there is no thermal or mechanical shock, such as pump shaft sleeves, rotating seal rings, wear-resistant gaskets, bearing bushes, etc.STL3
Co1040.93214Bal43-47Used for hot pressing/hot extruding copper and aluminum alloy dies, zinc-plating equipment bearings, and battery molds where mechanical shock is low.STL4
Co1061.2294.5Bal≥ 37Used to make steam and chemical valve seats.AMS 5387D, UNS R30006
Co1121.6298Bal45-50Used for hot extruding dies, zinc-plating equipment bearings, etc.STL12
Co1202.53217Bal52-58Used for applications without thermal or mechanical shock, such as pump shaft sleeves, rotating seal rings, wear-resistant gaskets, and bearing bushes.STL20
Co1210.2527–Bal≤ 34Used for steam turbine blades, brass casting dies, and hot extruding dies.AMS 5385H, UNS R30021
Co1310.525.57.5Bal≤ 34Used for steam turbine blades, shaft sleeves, and hot extruding dies, etc.AMS 5382J, UNS R30031
Co1332.3337.5Bal≥ 52Used in making high-temperature wear parts and for the food processing industry, etc.STL33
Co1800.18–Bal≥ 50Used for high-temperature, strong corrosion-resistant valve gates, valve boards, and plastic extruder gaskets.Tribaloy T-800
Co1930.048–6252-55Engine valve seat rings.SAE J775, UNS R30400, T-400
Co1500.128–50–Heat treatment furnace pads, furnace door frames, and other heat-resistant workpieces.UMCo50
Co111–––––Chemical fiber blades.–

1.2 Nickel Based Castings

Metal No.Cr (%)Mo (%)Fe (%)Ni (%)ApplicationReference Standard
Ni200Z––3BalUsed in chemical industry, soda ash; such as caustic and synthetic fibers.ASTMA 494 CZ100
Ni202Z–––BalGlass mould, plunger, chip, plug, control ring, etc.Pameron 40
Ni205Z16.5176.5BalMixed acid, sulfuric acid, phosphoric acid, wet hydrochloric acid, acetic acid; pumps, valves, hot pressing molds, etc. in the chemical industry.ASTMA 494 CW12MW
Ni206Z1285BalUsed to make hydrochloric- and gaseous hydrogen chloride-resistant parts of pump and valve for chemical industry, etc.ASTMA 494 N12MW
Ni207-N22511–BalDental Alloy.–
Ni219Z12.79–BalDental Alloy.NiBe19 Ingot
Ni222Z22134RemMixed Acid, Chloride Device Valve etc.ASTMA 494 CX2MW
Ni230––3.5BalAlkali, sulfuric acid; Good resistance against hydrofluoric acid and alkaline fluid; used to make pump, valve for chemical industry.ASTMA 494 M30C
Ni235––3.5BalUsed to make parts of pump, valve, etc.ASTMA 494 M35-2
Ni240Z––3.5BalUsed in petrochemical industry, marine exploration, heat exchanger and pump, etc.ASTMA 494 M35-1
Ni225Z––3.5BalUsed to make pump, shaft, blade, etc.ASTMA 494 UNS N05500
Ni25512.530.7BalUsed to make blade, etc.ASTMA 494 CY5SnBiM
Ni260Z5.5–11BalOxygen valve; pipes, valves, and ammonia synthesis tower internals for heat exchange.CY40
Ni262Z21.59.55BalOxygen valve; used in gas turbine, chemical industry, petroleum and gas refinery, environmental protection, marine and nuclear industry, etc.ASTMA 494 CW6MC
Ni26460–0.4RemHigh temperature alkali, Exhaust Valve Seat etc.ASTMA 560 60Cr-40Ni
Ni274Z616.52BalUsed to make container of mixed acid and chloride.ASTMA 494 CW2M
Ni278Z193Bal53Polysilicon Cold Hydrogenation, used in aerospace, petroleum and gas refinery, nuclear industry, etc.AMS 5383D UNS N07718

1.3 Iron Based Castings

Metal No.Cr (%)Mo (%)Ni (%)N (%)Cu (%)Fe (%)ApplicationReference Standard
Fe320Z212.529–3.5BalAlkylated sulfuric acid; used to make valve and valve parts under the special mining industry.ASTM A351 CN7M
Fe325Z21.531–2.5BalUsed to make heat exchanger, condenser and can be used under various ion-containing sulfuric acid conditions, e.g., pump, valve, etc.ASTM A494 CU5MCuC
Fe333331.5100.250.25BalUsed to make parts under high temperature and wear-resisting mining industry.GB/T5235 ZG8Cr33Ni9N
Fe340260.520––BalUsed where strong intensity is required, eg., furnace roller, trestle, etc.ASTM A297 HK
Fe344Z206.58.50.211BalPapermaking; used to make pump and valve under reductive acid medium conditions and marine equipment, etc.ASTM A351 CK3MCuN
Fe351Z2235.50.2–BalCoal chemical industry; used to make pump, valve, heat exchanger for marine petroleum industry.ASTM A995 CD3MN/4A
Fe353Z254.570.2–BalUsed to make seawater heat exchanger, pump and valve, etc.ASTM A995 CE3MN/5A
Fe354Z25250.23BalUsed to make pump, valve, heat exchanger for marine, chemical and petroleum industry.ASTM A995 CD4MCuN/1B
Fe355Z253.57.50.250.7BalUsed to make pump, valve, heat exchanger for marine, chemical and petroleum industry.ASTM A995 CD3MWCuN/6A
Fe3746.5–4–2.8BalUsed to make pump and its parts under corrosive conditions.ASTM A747 CB7Cu-1
Fe36117.5–5––BalFor concentrated nitric acid and other media, valves, seals and other accessories.EN10088-11.4361 X1CrNiSi18-15
Fe380Z20–32–Nb 1.00BalHeat treatment furnace, high temperature gas boiler, emission device, etc.ASTM A351 CT15C
Fe34226–35––BalHeat treatment furnace, high temperature gas boiler, emission device, etc.ASTM A297 HP
Fe356216.5250.22–BalDesulfurized leaves, super-austenitic bronze castings and seawater medium, etc.ASTM A351 CN3MN
Fe3Cr30301.50.5––BalHigh hardness, corrosion resistance and wear resistance.ISO21988/JN HBW555Cr27

1.4 Copper Based Castings

Metal No.Main Chemical Composition (%)ApplicationReference Standard
Cu4029.00 Al, 4.00 Fe, 4.50 Ni, Bal CuUsed in chemical industry (caustic soda, synthetic fibers); marine shaft sleeves, pump valves, propellers.ASTM B148 C95800
Cu40310.00 Al, 1.00 Fe, Bal CuSteel mill siding block, ship equipment electrodes holder, sparkles metal components; glass mold, plunger chip, control ring, etc.ASTM B148 C95300
Cu408Z1.00 Ni, 1-2 Pb, 5.5-6.5 Sn, 3-5 Zn, Bal CuCastings for valves, flanges, and fittings; oil pumps, gears, bushings, bearings, babbitt alloy liner bearing lining. Used for pressure vessel parts below 290°C (550°F) and 20MPa (3ksi).ASTM B61 C92200
Cu409Z1.50 Fe, 24-27 Ni, 1-2.5 Pb, 4.5-5.5 Sn, 1-4 Zn, Bal CuWater pump valve, sea water pump valve; adjusting ring parts, used in steam environment.ASTM B584 C97800
Cu410M2.00 Ni, 1.50 Pb, 9-11 Sn, 1-3 Zn, Bal CuWear-resistant heavy-duty bearings; high-strength structural bronze; bolts, nuts, gears, bearing sleeves, valves, expansion joints.ZCSn10Zn2110-21 GB1176-87
Cu411Z1.00 Ni, 4-6 Pb, 4-6 Sn, 4-6 Zn, Bal CuLow pressure valves, pipe fittings, gasoline and oil pipe fittings, fire equipment accessories, small gear, small pump parts.–
Cu416Bal Zn, 80 CuHigh-pressure cylinder, marine accessories.GB/T1176 ZcuZn16Si4

2.1 Cobalt Based Forgings

Metal No.Cr %Mo %Fe %Ni %Co %W %ApplicationReference Standard
Co121MB22860.751Bal–Medical surgical implants, casting bars, etc.ASTM F1537, UNS R31538
Co125B20120Bal–Hot forging die; used where thermal fatigue and inter-metal wear resistance are required.AMS 5894D, UNS S30815
Co135B200135Bal–Used for high-temperature and sulfidization-resistance service.AMS F562, UNS S30035
Co106B30133Bal4Rod body, valve seat, extrusion screw.AMS 5788F, UNS R30006
Co150B28–21–Bal–Gas burner, heat treatment furnace parts.UMCo50

2.2 Nickel Based Forgings

Metal No.Cr %Mo %Fe %Other Elements %Ni %ApplicationReference Standard
Ni 200––≤0.40–≥99Pure nickel; used for pump valves in chemical industry (e.g., caustic soda, compound fiber).ASTM B564, UNS N02200
Ni 20515.566W: 4.00BalWet chlorine, reducing acid; equipment for chemical/petroleum (reaction kettle, heat exchanger).AMS 5750C
Ni 2061285–BalHydrochloric acid, cresol, organic acid; heat-resisting equipment and hydrogen chloride installments.ASTM B619, UNS N10001
Ni 240––2.5–BalAlkali, seawater, sulfuric acid; chemical equipment like reaction kettles, pump valves, etc.ASTM B564, UNS N04400
Ni 250––2Ti: 0.60, Al: 2.70BalHigh strength/corrosion resistance; non-magnetic parts (propellers, springs, heat exchangers).ASTM B865, UNS N05500
Ni 26016–8–BalCorrosion/heat/sulfur resistance; oxygen valves, heat-treatment and chemical processing equipment.ASTM B564, UNS N06600
Ni 2622295Ti: 0.40, Al: 0.40RemAnti-sulfur, oxygen valve; used in gas turbines, refinery, aerospace structures.ASTM B446, UNS N06625
Ni 27416163Ti: 0.70BalWet chlorine, hypochlorous acid, mixed acid; applied directly after welding.ASTM B619, UNS N06455
Ni 27516Nb: 1.007Ti: 2.50, Al: 0.70≥70Anti-corrosion/oxidation; products include springs (torsion, leaf, butterfly).ASTM B637, UNS N07750
Ni 27616165.5V: 0.35BalSulfuric acid, waste incineration; excellent resistance against spot/stress corrosion.ASTM B619, UNS N10276
Ni 278193–Ti: 0.90, Nb: 5.00, Al: 0.5055Tubing hanger; high corrosion/oxidation resistance and high yield strength below 650°C.ASTM B637, UNS N07718
Ni 28019–3Ti: 2.30, Al: 1.40≥65Used in turbine blades, overall air valves, etc.ASTM B637, UNS N07080
Ni 29020–1.5Ti: 2.6, Al: 2.0BalUsed to make gas turbine blades, springs.AMS 5829E, UNS N07090
Ni 2925.5Bal14.28Ti: 0.60, Al: 42.00–Precision springs, mechanical resonators and other precision spring parts.AMS 5225E, UNS N09902
Ni 29521322Ti: 2.20, Al: 0.3044Valves, hangers, and cylinders for corrosive mines (H2O, CO2, Brine).ASTM B637, UNS N09925
Ni 2×222918.5W: 0.60BalTailpipes of aircraft engines, combustors, etc.ASTM B472, UNS N06002
Ni 2G330515W: 3.50, Nb: 1.2BalPhosphoric acid, sulfuric acid, nuclear fuel reprocessing, waste treatment pipelines.ASTM B462, UNS N06030

2.3 Iron Based Forgings

Metal No.Cr %Mo %Ni %N %Ti/Nb/Other %Al %Fe %ApplicationReference Standard
Fe310M252.5220.13––BalCorrosion & heat resistance; structural material for urea production (towers, heat exchangers).ASTM A182 UNS S31050
Fe 319222120.3Nb: 0.20, V: 0.20–BalHigh corrosion resistance under strong load/wear; equipment components.ASTM A182 UNS S20910
Fe 320202.535–Nb+Ta: 1.00, C: ≤0.07Nb: 0.40BalResists nitric, sulfuric, and phosphoric acids; gas purification; heat exchangers/vessels.ASTM A182 UNS N08020
Fe32522344–Ti: 0.900.2BalAnti-sulfur service; similar to/better than F20; used in heat exchangers and condensers.ASTM B564 UNS N08825
Fe 33214125–Ti: 2.000.3BalHigh-temperature strength parts; fasteners, blades, bars, wires, and rings.ASTM A638 UNS S66286
Fe 344206180.2––BalAcids, desulfurization, papermaking, seawater equipment, and valves.ASTM A276 UNS S31254
Fe 35122350.1––BalSeawater corrosion resistance; oil refining, fertilizers, papermaking; pump and valve parts.ASTM A182 UNS S31083
Fe 35325470.28––BalSeawater corrosion resistance; oil refining, fertilizers; used for pumps, valves, heat exchangers.ASTM A182 UNS S32750
Fe 35525470.25W: 0.80–BalSeawater corrosion resistance; oil refining, fertilizer, and paper industries.ASTM A182 UNS S32760
Fe 356206.525N: 0.20––BalHigh corrosion resistance and strength; heat exchangers, pipes, and forging bars.ASTM A625 UNS N08926
Fe 36022.53.55.5N: 0.15––BalSeawater corrosion resistance; oil refining, papermaking, and ammonia coolers.ASTM A182 UNS S32205
Fe 37416.5–4–Nb: 0.2–BalHigh-strength components (e.g., valve parts) under corrosive conditions.ASTM A705 UNS S17400
Fe 37717–7––1BalHigh strength and good corrosion resistance; used for springs and plates.ASTM A705 UNS S17700
Fe 38021–33–Ti: 0.400.35BalHeat-resistant components for synthetic fiber projects, furnace tubes, and heat pipes.ASTM B564 UNS N08811
Fe 390214.526N: 0.10––BalAcid-resistant environments; used for heat exchangers, pipes, bars, and wire.ASTM A182 UNS S08904
Fe 30418–13–––BalNitric acid production; storage and transportation; nuclear reactive mediators.GB 1220-92
Fe 358245.722.5–W: 2.00N: 0.45BalPetrochemical reactors, pipelines, pumps, and valves.ASTM A182 UNS S31266
Fe 362216.524.5–N: 0.22–BalChloride ion and seawater resistance; used for pumps and valves in halogen mediums.ASTM A182 UNS N08367
Fe 328273.531–––BalWet process phosphoric acid; pitting resistance; used for pumps/valves in redox mediators.ASTM B668 UNS N08028

3.1 Cobalt Based Alloy Powders

Metal No.C %Cr %W %Co %Hardness (HRC)ApplicationReference Standard
Co101F2.53112.5Bal43–58Repair and pre-protection of wear-resistant parts like mine sieves, cylinders, valve seats, and drill bits.AWS A5.21 ERCoCr-C
Co106F1.1294Bal37–47Repair and pre-protection of spiracles, valve seats, blades, and spiral push rods.AWS A5.21 ERCoCr-A
Co112F1.429.58.25Bal40–50Pre-protection of exhaust valves for internal combustion engines and high-temperature/high-pressure valves.AWS A5.21 ERCoCr-B
Co119F3.2526.514.2Bal52–62Used to manufacture drill heads for the petroleum industry.AWS A5.21 ERCoCr-G
Co120FB2.532.517Bal55–60Repair and pre-protection of turbine blades.STL20
Co121F0.2527.30.50*Bal20–35All kinds of liquid valves, valve seats, blades, weaning panels, and rotating sealing rings.AWS A5.21 ERCoCr-F
Co132F1.552612Bal36–46Repair and pre-protection of internal combustion engine valve sealing surfaces.AWS A5.21 ERCoCr-E
Co137F139Bal40–50Sawtooth pre-protection and repair, shear blades, and spiral push rods.AWS A5.21 ERCoCr-F
Co158F0.9265.5Bal40–46Repair and pre-protection of high-pressure valve sealing surfaces.STL 158

3.2 Nickel Based Alloy Powders

Metal No.Si %Cr %B %Ni %Hardness (HRC)ApplicationReference Standard
Ni212F3.64.052.9Bal–Glass molds and various forming dies.BNi-12
Ni212F-12.4–1.1Bal–Glass molds and various forming dies.SP22Cu
Ni220F24.50.7Bal18–22Glass molds and various forming dies.–
Ni220F-12.240.7Bal20–24Glass molds and various forming dies.DELORO 20
Ni225F3.510.51.2Bal22–28Glass molds and various forming dies.–
Ni230F2.72.51.4Bal28–32Glass molds and various forming dies.DELORO 30
Ni235F3.24.51.6Bal33–37Glass molds and various forming dies.DELORO 35
Ni237F34.51.15Bal35–42Glass molds and various forming dies.DELORO 37
Ni240F3.37.51.7Bal38–42Dies, cams, plungers, outlet valves, and corrosion-resistant pumps.DELORO 40YS/TS27 FZNi-35
Ni245F3.68.52Bal42–48Feeding spirals, pump shafts, and outlet valve sealing surfaces.DELORO 45YS/TS27 FZNi-35
Ni250F4112.3Bal47–53Feeding spirals, pump shafts, and outlet valve sealing surfaces.DELORO 50YS/TS27 FZNi-45
Ni255F422.7Bal53–59Dies, cams, plungers, outlet valves, and corrosion-resistant pumps.YS/TS27 FZNi-45
Ni260F4.3153.2Bal57–62Pump shafts, pulp cutters, extruding spirals, drawing rollers, cams, bushes, and plungers.Ni 60YS/TS27 FZNi-45
Ni263F4.315.53.5Bal57–62Feeding spirals, pump shafts, outlet valve sealing surfaces, and plungers.–
Ni262F4163.8Bal59–65Easily worn parts such as paper break rollers and relieved teeth.–

3.3 Iron Based Alloy Powders

Metal No.Cr %Mo %Ni %Fe %Hardness (HRC)ApplicationReference Standard
Fe300F15154Bal–Plasma cladding of diesel engine valve sealing surface.Fe AF-1
Fe355F29–4.2Bal44–48Plasma cladding of diesel engine valve sealing surface.ERFeCr-A5
Fe356F284.517Bal38–44Plasma cladding of diesel engine valve sealing surface.Eatonite 6
Fe356FH30.54.517Bal≥38Plasma cladding of diesel engine valve sealing surface.–

4.1 Cobalt Based Bare Rods

Metal No.Cr (%)W (%)Ni (%)CoHRCApplicationReference Standard
Co1012912.5≤ 1.00Bal50–60Rotating sealing ring, gouge type bearing sleeve, drill head, etc.Bal AWSA5.21 ERCoCr-C
Co1033013≤ 1.00Bal50–56Wearing panel of cracker blade, work rest of centerless grinding machine, valve seat, guiding roll.Bal AWSA5.21 ERCoCr-C
Co1043214≤ 0.50Bal45–50Hot pressing die of copper-aluminum alloys, hot extruding die, dry cell die, etc.STL4
Co106294.5≤ 1.00Bal40–46Motor spiracle, high-temp/high-pressure valve sealing surface, hot shear blade, turbine blade.Bal AWSA5.21 ERCoCr-A
Co10828—2Bal30–35Steam turbine blade, copper casting die, extruding die, etc.STL21 ERCoCr-E
Co112298≤ 3.00Bal44–50High-temperature and high-pressure valve, shear edge, sawteeth, spiral push rod, etc.Bal AWSA5.21 ERCoCr-B
Co1192614≤ 1.00Bal54Drill head in petroleum industry.Bal AWSA5.21 ERCoCr-G
Co1203217≤ 3.00Bal55–60Rotating sealing ring, high-pressure valve seat, wearing panel, etc.STL20
Co121270.53.5Bal20–42Various liquid valves, valve seats, water turbine blade, hot forging die, etc.Bal AWSA5.21 ERCoCr-E
Co125201510Bal24Various brass casting dies, extruding dies, steam turbine blade, etc.STL25 Haynes 25
Co13126710Bal30–35In/outlet valve sealing surface of internal combustion engines.STL31
Co132251222Bal40–45Sawteeth pre-protection and repair; shear blade, spiral push rods, etc.Bal AWSA5.21 ERCoCr-E
Co13733524Bal44–50Protection and repair of serrated scissors, shear blades, etc.—
Co1408.5—1Bal50–60Valve and roller path, plastic extruder in strongly corrosive media, etc.T-400
Co15028——Bal20–30High temperature corrosion and fatigue resistance.UMCo50
Co18018—1.5Bal52–56Valve and roller path, plastic extruder in strongly corrosive media, etc.T-800

4.2 Nickel Based Bare Rods

Metal No.Cr (%)Mo (%)B/Other (%)NiHRCApplicationReference Standard
Ni201≤ 0.50——Bal18–24Glass molds, brick molds and various forming dies.Dameron 30
Ni201M4—B: 1.50Bal18–24Glass molds, brick molds and various forming dies.—
Ni20211—B: 2.25Bal35–42Feeding spiral, pump shaft, stirring blade, valve sealing surface, etc.AWS A5.21 ERNiCr-A
Ni202M11—B: 2.50Bal35–40Feeding spiral, pump shaft, plunger, outlet valve sealing surface, etc.AWS A5.21 ERNiCr-A
Ni20312—B: 2.50Bal48–54Pump shaft, pulp cutter, valve, extruding spirals, shaft sleeve, plunger.AWS A5.21 ERNiCr-B
Ni203M133B: 3.00Bal53–58Dies, cam, plunger, outlet valve, corrosion-resistant pump, etc.AWS A5.21 ERNiCr-B
Ni20415—B: 3.50Bal54–60Pump shaft, pulp cutter, extruding spirals, drawing roller, bush, plunger.Ni60 AWS A5.21 ERNiCr-C
Ni204M16—B: 3.50Bal57–60Pump shaft, pulp cutter, extruding spirals, drawing roller, bush, plunger.Ni 60
Ni20516.517W: 0.30Bal—High-temperature, scratching and internal wear-resistance, hot pressing dies.AWS A5.21 ERNiMo-5A
Ni206≤ 1.0028V: 0.40Bal—Valve sealing surface in chemical industry.—
Ni2072210—Bal—Radiation polluted circumstance, such as nuclear industry.CAST-N
Ni20810W: 2.00B: 0.50Bal—Substitution for Shield 6.—
Ni20921W: 2.001Bal—Substitution for Shield 6.—

4.3 Iron Based Bare Rods

Metal No.Cr (%)Mo (%)B/Other (%)FeHRCApplicationReference Standard
Fe30126.5——Bal54Wear-resistant, oxidation-resistant, bucket teeth, pump sleeves, etc.Delcrome 90 ERFeCr-A5
Fe301M28——Bal48–54Wear-resistant, oxidation-resistant, bucket teeth, pump sleeves, etc.AWSA 5.21 ERFeCr-A5
Fe30230—B: 0.80Bal56–60Excellent wear-resistance, gouge type drill head shaft, excavator, etc.Delcrome 94
Fe302M28.5Co: 5.00B: 0.70Bal56–64Excellent wear-resistance, gouge type drill head shaft, excavator, etc.Delcrome 94
Fe303172.5—Bal48–52Agriculture, metallurgical mines, building materials wear-resistant parts.AWSA 5.21 ERFeCr-A3
Fe30430≤ 0.25Co: 12.00Bal38–44Abrasion/high-temp/thermal shock resistance, Shield 6 alternative.Tristell alloy TS-1
Fe305350.25Co: 10.00Bal46–50Comparatively good wear/corrosion-resistance, substitution for Shield 12.—
Fe30635—Co: 1Bal40–46High temperature hardness, corrosion resistance, Shield 1 substitute.—
Fe307M1714—Bal≥ 55Anti-abrasive wear conditions, roller cone drill shaft, Shield 19 substitute.—
Fe30817——Bal30–38Good wear/corrosion/heat shock resistance, Shield 21 alternative.—

4.4 Alloy Rods for Internal Combustion Engine Valves (chemical composition test value)

牌号 (Steel Grade)CSiMnPSNiCrMoVWNbCuNAlTiCoB
21-2N0.550.138.690.0220.0061.7619.97————0.030.29————
21-4N0.520.139.370.0230.0063.4320.54————0.030.465————
21-4NWNB0.50.239.290.0360.0063.5220.590.0220.0850.881.87*0.040.475————
23-8N0.340.811.980.0290.0067.2122.730.067—0.007—0.050.27————
25-12NBN0.30.175.180.0350.00410.1924.520.0170.056—1.90.030.57————
6600.0820.461.140.0160.00224.4414.21.130.176——0.15—0.2532.09—0.005
7510.0540.360.260.0060.00571.515.810.035—0.0050.80.027.00*1.492.30.0570.0002
80A0.0430.310.390.0040.00473.220.110.0270.0160.0050.060.0061.631.732.230.0370.0001
8645H0.450.250.840.0120.0050.460.430.19—————————
Ni300.0410.430.190.0110.00230.914.30.520.024—0.480.020.0061.952.490.0640.002
X-600.60.1510.660.030.0051.120.540.830.84—1.080.030.53————
X-850.8360.310.730.0240.0090.1817.082.20.39——0.07—————

5.1 Cobalt Based Electrodes

Metal No.Cr (%)W (%)Fe (%)Ni (%)Co (%)HRCApplicationReference Standard
EdCo101291453Bal.50Surface welding for parts subject to severe wear and low impact, such as rotating seal rings, cone bearings, valve seats, cutter edges, etc.AWSA5.13 ECoCr-C
EdCo106294.553Bal.40Used for high-temperature and high-pressure valves, hot shear blades, turbine blades, etc.AWSA5.13 ECoCr-A
EdCo112298.553Bal.44Used for anti-scratch and inter-metal wear resistance, such as high-temperature and high-pressure valves, hot shear blades, spiral push rods, etc.AWSA5.13 ECoCr-B
EdCo12127—53Bal.20Used to resist thermal shock, oxidation, and reducing gas conditions, such as guide rollers, hot extrusion dies, forging dies, and water turbine blades.AWSA5.13 ECoCr-E
EdCo1252015510Bal.22Used for high-temperature and corrosion-resistant valve sealing surfaces, seamless pipe plugs, die-casting molds, etc.Haynes 25

5.2 Nickel Based Electrodes

Metal No.Cr (%)Mo (%)Fe (%)W (%)Ni (%)HRCApplicationReference Standard
EDCN 20516.51754Bal.25Used for high-temperature wear and impact resistance conditions, such as hot pressing dies, hot forging dies, guide rollers, etc.AWSA5.13 ENiCrMo-5A

5.3 Iron Based Electrodes

Metal No.C (%)Cr (%)Fe (%)Other (%)HRCApplicationReference Standard
EDCr-B0.213Bal.5≥ 45Overlay welding for parts subject to inter-metal wear, weak acid, and cavitation, such as valve sealing surfaces, shafts, and mixer blades.GB/T 984-2001

6.1 Cobalt-alloy Welding Wires

Metal No.Cr (%)Mo (%)Fe (%)Co (%)Nb+Ta (%)Ni (%)ApplicationReference Standard
Co 12127.005.50—Rem.—3.50(Not specified in image)AWSA5.14 ERCoCu-E

6.2 Nickel-alloy Welding Wires

Metal No.Cr (%)Mo (%)Fe (%)Ti/W/V (%)Nb+Ta (%)Ni (%)ApplicationReference Standard
Ni 201S0.75——Ti: 3.00—93.00 minUsed to weld 200, 201 nickel alloys, nickel-plated steel sheets, welding between steel and nickel dissimilar materials, and surface cladding of steel.AWS A5.14 ERNi-1
Ni 204S44—0.50.6—Bal.Used to weld Ni-Fe-Cr pipes and tubes, and repair welding for castings.AWS A5.14 ERNiCr-4
Ni 206MS0.1282——Bal.Used to weld N7M and other Ni-Mo anti-corrosion alloys, and surface cladding of steel.AWS A5.14 ERNiMo-7
Ni 222S0.0813.53.5V ≤ 0.35W: 3.50—Bal.Used to weld HC22 and other Ni-Cr-Mo anti-corrosion alloys, and surface cladding of steel.AWS A5.14 ERNiMo-10
Ni 250S1—20.6—65Used to weld age-hardening Ni-Cu alloys like MK500.AWS A5.14 ERNiCu-8
Ni 260S0.5—30.752.567.00 minUsed to weld Inconel 600 and Incoloy 800 alloys, as well as welding between carbon steel and stainless steel.AWS A5.14 ERNiCr-3
Ni 262S0.5950.43.6558.00 minUsed to weld Inconel alloys, nickel-based alloys, and welding between stainless steel and dissimilar materials, and surface cladding of steel.AWS A5.14 ERNi4Mo-3
Ni 270S1.25—2.52.25—64Used to weld Monel alloys, welding between Monel alloys and steel, and surface cladding of steel.AWS A5.14 ERNiCu-7
Ni 276S0.08165.5V ≤ 0.352.5Bal.Used to weld HC-276 and other Ni-Cr-Mo anti-corrosion alloys, and surface cladding of steel.AWS A5.14 ERNiCrMo-4
Ni 278S203.05Bal.0.855.552.5Used to weld Inconel 718 and other Ni-Cr-Nb-Mo alloys, welding between dissimilar materials, and surface cladding of steel.AWS A5.14 ERNiFeCu-2
Ni 825S203≥ 22.00.9—42Used to weld Incoloy 825 and other Ni-Cr-Mo-Cu alloys, and surface cladding of steel.AWS A5.14 ERNiFeCu-1

6.3 Nickel-alloy welding wires (chemical composition test value)

牌号 (Steel Grade)CSiMnPSNiCrMoVWNbCuAlFeTiCoB
Ni-10.0040.0030.0240.0030.00396.90.170.00150.0110.0050.0070.0070.010.162.430.031—
NiCr-30.0070.0462.830.0020.00372.421.170.1080.00050.0092.410.0060.1010.50.0410.025—
NiCrMo-30.0110.050.160.0020.00163.722.418.93——3.670.0080.140.390.0460.011—
NiCrMo-40.0060.0590.240.0010.00158.715.9115.870.0653.630.090.020.0035.10.0350.045—
NiCu-70.0070.0692.980.0030.00164.60.540.060.00050.0050.04529.250.060.211.80.0390.011
NiCrMo-100.0020.0310.0290.0070.00157.621.4813.460.0132.850.0250.0030.0534.120.0010.045—
4J420.0040.0050.0230.0050.00441.70.0270.0050.00050.0090.0040.0050.06757.90.1020.057—
Monel 4000.0410.0631.280.0090.02164.50.207————31.25—1.82———

6.4 Special Alloy Stainless Steel Welding Wire (chemical composition test value)

牌号 (Steel Grade)CSiMnPSCrNiMoTiCuNCoWAlNbVB
ER2010.1610.3813.110.0360.00817.081.650.0220.0040.450.380.12—————
ER3040.0660.451.030.0310.00818.038.020.06—0.180.080.22—————
ER3080.0370.121.870.020.005920.369.170.06—0.03———————
ER3090.0480.192.140.0170.00123.2613.14——0.020.052——————
ER3100.0980.162.140.0140.00126.520.70.03—0.240.053——————
ER310S0.0630.431.890.0240.00325.6120.530.0520.0050.10.060.36—————
ER3120.0470.362.260.0240.00429.478.650.120.0010.080.0940.150.0070.0060.0090.0940.001
ER312L0.0240.172.190.0240.00429.348.720.0120.0010.010.0690.050.0070.0060.0040.0610.001
ER316L0.0160.571.960.0220.00918.811.62.11—0.050.033——————
ER316H0.0510.571.580.0250.0118.911.732.36—0.140.042——————
ER317L0.0190.551.60.0240.00618.9913.23.160.0080.070.0380.180.0180.0070.0060.0550.004
ER22090.0120.091.630.0130.00522.288.952.750.0070.040.1140.0150.0180.0030.0040.0210.0039
ER25940.0250.511.920.0240.00925.168.852.670.0070.050.220.190.0280.0070.0040.0390.005
ER307Ti0.0480.745.90.0280.00818.848.260.0720.830.030.0260.180.0090.0380.0580.0780.0037
ER309LMo0.0220.511.580.0170.00923.3413.242.070.0150.10.0210.0370.0260.0140.0090.0240.003
ER3180.0310.531.690.0240.00818.811.182.080.010.090.0520.250.020.0070.460.042—
ER3850.0190.551.670.0190.00820.5424.474.470.011.40.0350.0920.0350.0090.0160.0370.004
ER6300.0480.40.740.0310.00716.555.220.0150.0013.150.0470.18——0.24——
ER308LH0.0120.0911.690.010.00519.829.830.0180.0050.0150.030.0160.0070.0040.010.0220.002
ER316LH0.0130.0931.920.010.00519.111.752.410.0060.010.0310.0160.0070.0060.007—0.0005
H1Cr21Ni10Mn60.0440.556.580.0280.00520.29.160.12—0.070.060.2—————
H1Cr16Ni25Mo60.0310.231.670.0220.00415.924.345.70.0090.110.1330.160.0270.0070.0070.0390.0038

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