Heat Resistant Steels


Filler Products

Filler Metals Major Uses AWS Class Mil-E-22200 Type
MONEL Filler Metal 60 MONEL alloys 400, R-405, and K-500; surfacing of steel ERNiCu-7 RN60
EN60
MONEL Filler Metal 67 MONEL alloy 450; weldable grades of 70/30, 80/20, and 90/10 copper-nickel alloys ERCuNi RN67
EN67
INCONEL Filler Metal 62 INCONEL alloy 600 ERNiCrFe-5 RN62
EN62
INCONEL Filler Metal 82 INCONEL alloys 600 and 601; INCOLOY alloy 800 and 800HT; INCO alloy 330; dissimilar combinations of steels and nickel alloys; surfacing of steels ERNiCrFe-3 RN82
EN82
INCONEL Filler Metal 92 Dissimilar combinations of steels and nickel alloys ERNiCrFe-6 RN6A
EN6A
INCONEL Filler Metal 601 INCONEL alloy 601 --- ---
INCONEL Filler Metal 617 INCINEL alloy 617; incoloy alloy 800HT; dissimilar combinations of high-temperature alloys ERNiCrCoMo-1 ---
INCONEL Filler Metal 625 INCONEL alloys 625 and 601; pit-resistant alloys; dissimilar combinations of steels and nickel alloys; surfacing of steels ERNiCrMo-3 RN625
EN625
INCONEL Filler Metal718 INCONEL alloys 718 and X-750 ERNiFeCr-2 ---
INCOLOY Filler Metal 65 INCOLOY alloy 825 ERNiFeCr-1 RN65
NC 80/20 Filler Metal BRIGHTRAY electrical-resistant alloys; INCOLOY alloy DS --- ---
NI-ROD Filler Metal 44 Cast irons, especially robotic and automatic welding --- ---
NI-ROD FC 55 Cored Wire Automatic welding of cast irons by flux-cored arc welding --- ---
Nickel Filler Metal 61 Nickel 200 and Nickel 201; dissimilar combinations of nickel alloys and steels; surfacing of steels ERNi-1 RN61
EN61

Heat Resistant Steels

Alloy Type Alloy Description/Major Application Basic Composition %
Pure Nickel Nickel 200/201 Commercially pure wrought nickel, good mechanical properties, excellent resistance to many corrosives. Nickel 201 has low carbon (0.02% max) for applications over 600ºF (315ºC). Food processing equipment, chemical shipping drums, caustic handling equipment and piping, electronic parts, aerospace and missile components, rocket motor cases, magnetostrictive devices. Ni = 99.6
C = 0.08
Nickel/Copper MONGEL Alloy 400 High strength, good weldability, excellent corrosion resistance over wide range of temperatures and conditions. Valves, pumps, shafts, marine fixtures, fasteners, electrical and electronic components, processing equipment, petroleum refining and production equipment, feedwater heaters and other heat exchangers. Ni = 66.5
Cu = 31.5
MONGEL Alloy 450 A 70-30 copper-nickel alloy with good weldability and excellent resistance to corrosion in sea water. Heat exchangers, condensers, evaporators, salt-water piping. Cu = 68
Ni = 30
Fe = 0.7
MONGEL Alloy k-500 Age-hardenable version of MONEL alloy 400 for increased strength and hardness. Pump shafts, doctor blades and scrapers, oil-well drill collars and instruments, electronic components, springs, valve trim, fasteners. Ni = 65.5
Cu = 29.5
Al = 2.7
Ti = 0.6
Nickel/Chromium INCONEL Alloy 600 High nickel, chromium content for resistance to oxidizing and reducing environments; for severely corrosive environments at elevated temperatures. Furnace muffles, electronic components, chemical and food processing equipment, heat treating equipment, nuclear steam generator tubing. Ni = 76.0
Cr = 15.5
Fe = 8.0
INCONEL Alloy 601 Excellent high-temperature properties, resistance and carburization. Heat exchangers, heat-treating baskets and fixtures, radiant tubes, thermo-couple tubes, furnance muffles and retorts, aircraft engine parts. Ni = 60.5
Cr = 23.0
Fe = 14.0
Al = 1.4
INCONEL Alloy 617 Excellent cyclic oxidation and carburization resistance and good stress-rupture properties. Aerospace and engine components, after-burners, flame holders, spray bars, combustion can liners, turbine seals, heat-treating equipment. Ni = 52.0
Cr = 22.0
Co = 12.5
Mo = 9.0
Al = 1.2
INCONEL Alloy 625 High strength and toughness from cryogenic temperatures to 1800ºF (980ºC), good oxidation resistance, exceptional fatigue strength and good corrosion resistance. Chemical and pollution control equipment, ash pit seals, nuclear reactors, marine equipment, ducting, thrust reverser assemblies, fuel nozzles, after-burners, spray bars. Ni = 61.0
Cr = 21.5
Mo = 9.0
Nb + Ta = 3.6
Nickel-Iron-Chromium INCOLOY Alloy 800 Strong and resistant to oxidation and carburization at elevated temperatures. Resists sulphur attack, internal oxidation, scaling and corrosion. Heat exchangers, process piping, carburizing fixtures and retorts, heating element sheathing, nuclear steam generator tubing. Ni = 32.5
Fe = 46.0
Cr = 21.0
INCOLOY Alloy 800HT Similar to alloys 800 and 800H with better high-temperature strength. Higher design strength values for use above 1150ºF (620ºC). Chemical and power plant super-heater and reheater tubing; steam-methane reformer pigtails, headers, and furnace tubing; process piping. Ni = 32.5
Fe = 46.0
Cr = 21.0
C = 0.08
Al + Ti = 1.0
INCOLOY Alloy DS Good high-temperature strength and resistance to oxidation and carburization. Heat-treating furnaces and equipment. Ni = 38
Fe = 40
Cr = 18
Si = 2.2
INCOLOY Alloy 825 Excellent resistance to wide variety of corrosives. Resists pitting and intergranular corrosion. Pickling tank heaters, pickling hooks, spent nuclear fuel recovery, chemical tank trailers, processing equipment, sour well tubing, hydrofluoric acid production, pollution control and radwaste systems. Ni = 42
Fe = 30
Cr = 21.5
Mo = 3
Cu = 2.2
Ti = 1.0
INCO Alloy 904L Resistant to broad rang of oxidizing and reduction environments, pitting and crevice corrosion, and general corrosion in reducing acids. Resists chloride stress corrosion cracking and intergranular corrosion. Stack gas scrubbers, chemical reactors, tanks, piping and heat exchangers, pulp/paper bleaching, sulphuric, phosphoric acid production. Ni = 25.5
Fe = 45.0
Cr = 21.0
Mo = 4.7
Cu = 1.5
Co = 0.2
Nickel-Iron-Chromium NIMONIC Alloy 75 An 80-20 nickel-chromium alloy with controlled additions of titanium and carbon. Aircraft gas-turbine components needing resistance to oxidation and scaling components needing resistance to oxidation and scaling combined with medium strength at high temperature. Ni = 80
Cr = 19.5

Welding Products

Coated Electrode Major Uses AWS Class Mil-E-22200 Type
MONEL Welding Electrode 190 MONEL alloy 400 to itself, to low-alloy and carbon steels, to copper and copper-nickel alloys; surfacing of steels EniCu-7 9N10
MONEL Welding Electrode 187 MONEL alloy 450; weldable grades of cast and wrought 70/30, 80/20, and 90/10 copper-nickel alloys WCuNi CuNi
INCONEL Welding Electrode 132 INCONEL alloy 600; INCO alloy 330 EniCrFe-1 3N12
INCONEL Welding Electrode 182 INCONEL alloy 600 and 601; surfacing of steel; dissimilar combinations of steels and nickel alloys EniCrFe-3 8N12
INCONEL Welding Electrode 112 INCONEL alloys 625 and 601; pit-resistant alloys; dissimilar combinations of steels and nickel alloys; surfacing of steels EniCrMo-3 1N12
INCONEL Welding Electrode 117 INCONEL alloy 617; INCOLOY alloy 800HT; Dissimilar combinations of high-temperature alloys EniCrCoMo-1 ---
INCOLOY Welding Electrode 135 INCOLOY alloy 825 --- ---
Nickel Welding Electrode 141 Nickel 200 and 201; the clad side of nickel-clad steel; joining steels to nickel alloys Eni-1 4N11
INCO-WELD A Electrode INCOLOY alloys 800 and 800HT; dissimilar combinations of steels and nickel alloys; 9% nickel steel; surfacing of steel EniCrFe-2 ---
INCO-WELD B Electrode Cryogenic steels (e.g 9% nickel steel) with alternation current EniCrFe-4 ---
INCO-WELD C Electrode Stainless steels; carbon steels; spring steels; general maintenance welding --- ---
NI-ROD Welding Electrode Cast irons, especially for thin sections and machinability ENiCl ---
NI-ROD 55 Welding Electrode Cast irons, especially thick sections and high-phosphorus irons ENiFeCl ---
NI-ROD 44 Welding Electrode Cast irons, especially for high strength and ductility --- ---
NI-ROD 55X Welding Electrode Cast irons, especially for out-of-position welding and high-phosphorus irons --- ---
NI-ROD 99X Welding Electrode Cast irons, especially for out –of-position welding, thin sections and machinability --- ---