Cross-reference table: W.Nr., EN designation, UNS and trade names for every grade →
Nickel alloys
Inconel13 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 2.4856 · Alloy 625 / Inconel 625 | NiCr22Mo9Nb · UNS N06625 | Solid-solution strengthened — high strength without ageing; resists pitting and crevice corrosion in seawater and is practically free from chloride stress-corrosion cracking | 930typ. |
| 2.4816 · Alloy 600 / Inconel 600 | NiCr15Fe · UNS N06600 | General-purpose Ni-Cr — nuclear steam generators and furnace parts | ≥ 550 |
| 2.4851 · Alloy 601 / Inconel 601 | NiCr23Fe · UNS N06601 | Oxidation-resistant grade — furnace rolls and radiant tubes to about 1100 °C | ≥ 550 |
| 2.4663 · Alloy 617 / Inconel 617 | NiCr23Co12Mo · UNS N06617 | Co-Mo strengthened — gas-turbine transition ducts and 700 °C-class power plant | ≥ 655 |
| 2.4606 · Alloy 686 / Inconel 686 | NiCr21Mo16W · UNS N06686 | Super C-family corrosion resistance — FGD and wet-chlorine extremes | ≥ 690 |
| 2.4642 · Alloy 690 / Inconel 690 | NiCr29Fe · UNS N06690 | High-chromium nuclear grade — steam-generator tubing | ≥ 586 |
| 2.4668 · Alloy 718 / Inconel 718 | NiCr19Fe19Nb5Mo3 · UNS N07718 / N07719 | Precipitation-hardened general workhorse — aerospace and oil & gas, 650 °C class | ≥ 1275 |
| 2.4669 · Alloy X-750 / Inconel X-750 | NiCr15Fe7TiAl · UNS N07750 | Precipitation-hardened — springs and fasteners, 700 °C class | ≥ 965 |
| Alloy 725 / Inconel 725 | UNS N07725 | High-strength corrosion-resistant age-hardened grade for sour downhole components | ≥ 1137 |
| Alloy 693 / Inconel 693 | UNS N06693 | The benchmark against metal dusting — syngas, reformers and severe carburising service | ≥ 690 |
| 2.4633 · Alloy 602CA / Inconel 602CA | NiCr25FeAlY · UNS N06025 | Oxidation-resistant to 1200 °C with carburisation resistance — furnace rolls, muffles, calciners | ≥ 680 |
| Alloy 740H / Inconel 740H | UNS N07740 | Advanced ultra-supercritical (A-USC) — 700 °C power-boiler superheaters and headers | ≥ 1035 |
| Alloy 706 / Inconel 706 | UNS N09706 | Large turbine discs and generator retaining rings — more forgeable than 718 | ≥ 1207 |
Hastelloy11 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 2.4819 · Alloy C-276 / Hastelloy C-276 | NiMo16Cr15W · UNS N10276 / W10276 (weld) | Universal Ni-Cr-Mo — benchmark for wet chlorine, mixed acids and FGD | ≥ 690 |
| 2.4610 · Alloy C-4 / Hastelloy C-4 | NiMo16Cr16Ti · UNS N06455 / W86445 (weld) | Thermally stable C-family — no sensitisation after welding | ≥ 690 |
| 2.4602 · Alloy C-22 / Hastelloy C-22 | NiCr21Mo14W · UNS N06022 | Balanced in both oxidising and reducing media — upgraded C-family | ≥ 690 |
| 2.4675 · Alloy C-2000 / Hastelloy C-2000 | NiCr23Mo16Cu · UNS N06200 / W86200 (weld) | Copper-bearing C-family — handles oxidising and reducing media alike | ≥ 690 |
| 2.4617 · Alloy B-2 / Hastelloy B-2 | NiMo28 · UNS N10665 | Ni-Mo type — dedicated to hydrochloric and reducing acids | ≥ 760 |
| 2.4600 · Alloy B-3 / Hastelloy B-3 | NiMo29Cr · UNS N10675 / W80675 (weld) | Improved B-family with better structural stability | ≥ 760 |
| 2.4603 · Alloy G-30 / Hastelloy G-30 | NiCr30FeMo · UNS N06030 / W86030 (weld) | Phosphoric acid, mixed acids and slurry environments | ≥ 586 |
| 2.4665 · Alloy X / Hastelloy X | NiCr22Fe18Mo · UNS N06002 / W86002 (weld) | Classic gas-turbine combustor alloy — 900 °C-class oxidation resistance | ≥ 655 |
| Alloy N / Hastelloy N | UNS N10003 | Molten-salt reactor grade — fluoride salt environments | ≥ 690 |
| 2.4619 · Alloy G-3 / Hastelloy G-3 | NiCr22Mo7Cu · UNS N06985 | The domestic OCTG standard for sour wells — H₂S/CO₂ completions | ≥ 621 |
| 2.4605 · Alloy 59 | NiCr23Mo16Al · UNS N06059 | High-purity Ni-Cr-Mo — FGD and wet chlorine, in the C-276 / 686 class | ≥ 690 |
Incoloy9 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 2.4858 · Alloy 825 / Incoloy 825 | NiCr21Mo · UNS N08825 | Economical all-rounder for acid service — handles both oxidising and reducing media | 620typ. |
| 1.4876 · Alloy 800 / Incoloy 800 | X10NiCrAlTi32-21 · UNS N08800 | Fe-Ni-Cr general heat-resistant — heat exchangers and furnace tubes | ≥ 520 |
| 1.4958 · Alloy 800H / 800HT | X5NiCrAlTi31-20 / X8NiCrAlTi32-21 · Incoloy 800H · UNS N08810 / N08811 | Carbon-controlled creep grade — 900 °C-class pressure parts | ≥ 450 |
| 2.4660 · Alloy 20 | NiCr20CuMo · UNS N08020 | Dedicated sulphuric-acid grade — valves, pumps and heat exchangers | ≥ 551 |
| Alloy 925 / Incoloy 925 | UNS N09925 | Age-hardened corrosion-resistant — oil & gas downhole tools and valves | ≥ 965 |
| 1.4529 · Alloy 926 / Incoloy 926 | X1NiCrMoCuN25-20-7 · UNS N08926 | 6Mo super-austenitic — seawater and severe chloride / FGD service | ≥ 650 |
| Alloy 945 / Incoloy 945 | UNS N09945 / N09946 | New high-strength sour-service grade — HPHT completion tools | ≥ 1035 |
| 1.4980 · A-286 | X6NiCrTiMoVB25-15-2 · UNS S66286 | Iron-nickel age-hardened alloy — fasteners and turbine discs to 650 °C | ≥ 895 |
| 1.4886 · Alloy 330 / RA330 | X10NiCrSi35-19 · UNS N08330 | The heat-treat classic — baskets, muffles and radiant tubes; resists carburising and nitriding | ≥ 483 |
Monel3 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 2.4360 · Alloy 400 / Monel 400 | NiCu30Fe · UNS N04400 | Classic Ni-Cu alloy — benchmark for HF, seawater and hydrochloric acid | ≥ 485 |
| Alloy R-405 / Monel R-405 | ≈ 2.4360 · UNS N04405 | Free-machining Monel for automatic screw-machine parts | ≥ 585 |
| 2.4375 · Alloy K-500 / Monel K-500 | NiCu30Al · UNS N05500 | Age-hardened Ni-Cu — high-strength pump shafts and fasteners in seawater | ≥ 965 |
Haynes7 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 2.4964 · Alloy 25 / L-605 | CoCr20W15Ni · Haynes 25 · UNS R30605 | Cobalt-base classic — 980 °C-class combustors and wear parts | ≥ 896 |
| 2.4683 · Alloy 188 / Haynes 188 | CoCr22Ni22W14 · UNS R30188 | Cobalt-base sheet — combustors and afterburner cans, 1100 °C class | ≥ 862 |
| 2.4733 · Alloy 230 / Haynes 230 | NiCr22W14Mo · UNS N06230 / N06231 (230-W) | Tungsten-strengthened — 1150 °C-class oxidation resistance for turbines and furnaces | ≥ 760 |
| Alloy 282 / Haynes 282 | UNS N07208 | Latest-generation age-hardened alloy — turbine rings and hot sections | ≥ 1034 |
| Alloy 214 / Haynes 214 | UNS N07214 | Forms a protective Al₂O₃ scale — the limit for oxidation in air to 1260 °C | — |
| 1.4883 · Alloy 556 / Haynes 556 | X10CrNiCoMoN 22-20-18 · UNS R30556 | Sulphidation- and multi-mode-corrosion resistant — the benchmark for waste-to-energy boilers | ≥ 690 |
| HR-120 | UNS N08120 | Solid-solution Fe-Ni-Cr — oxidation- and carburisation-resistant to 1150 °C for heat-treat fixtures, kiln furniture and turbine hot sections | ≥ 621 |
Nimonic5 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 2.4952 · Alloy 80A / Nimonic 80A | NiCr20TiAl · UNS N07080 | Age-hardened — exhaust valves and turbine blades, 815 °C class | ≥ 930 |
| 2.4632 · Alloy 90 / Nimonic 90 | NiCr20Co18Ti · UNS N07090 | Uprated 80A — blades and rings, 870 °C class | ≥ 1100 |
| 2.4650 · Alloy 263 / Nimonic 263 | NiCo20Cr20MoTi · UNS N07263 | High-ductility sheet — combustors and rings | ≥ 541@ 779 °C |
| 2.4634 · Alloy 105 / Nimonic 105 | Nimonic105NiCo20Cr15MoAlTi | Turbine blades and hot-section forgings — higher creep strength than 90 at 900 °C | — |
| 2.4636 · Alloy 115 / Nimonic 115 | Nimonic115 | The strongest Nimonic — gas-turbine blades to the 1000 °C class | — |
Pure nickel2 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 2.4066 · Nickel 200 | Ni99.2 · UNS N02200 | Commercially pure nickel — standard for hot caustic and hydrofluoric acid | ≥ 380 |
| 2.4068 · Nickel 201 | LC-Ni99 · UNS N02201 | Low-carbon grade — preferred above 315 °C and for welded structures | ≥ 345 |
GH superalloys5 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| ≈ Nimonic 75 | GH3030≈ 2.4951 | Combustor sheet — equivalent to Nimonic 75 | ≥ 685 |
| GH3039 | GH3039 | Combustor and afterburner sheet, 850 °C class | ≥ 735 |
| GH3044 | GH3044 | High-ductility weldable sheet, 900 °C class | ≥ 735 |
| GH3128 | GH3128 | Strengthened sheet grade — 950 °C-class cans and heat shields | ≥ 735 |
| 2.4654 · Waspaloy | NiCr20Co13Mo4Ti3Al · UNS N07001 | The classic turbine-disc alloy — 760 °C-class creep-rupture strength | ≥ 1100 |
GOST alloys9 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 06ХН28МДТ (ЭИ943) | 06KhN28MDT | Welded equipment for sulfuric acid of any concentration up to 80 °C (GOST 5632) | — |
| ХН65МВ (ЭП567) | KhN65MV | Welded equipment for hot oxidising sulfuric and hydrochloric media, concentrated acetic acid and other highly aggressive media (GOST 5632) | — |
| ХН65МВУ (ЭП760) | KhN65MVU | Welded equipment for hot oxidising-reducing media — sulfuric and acetic acid, wet chlorine, chlorides; resists intergranular corrosion (GOST 5632) | — |
| Н70МФВ (ЭП814А) | N70MFV | Welded equipment for hot hydrochloric, sulfuric and phosphoric acid and other reducing media; resists intergranular corrosion (GOST 5632) | — |
| 03ХН28МДТ (ЭП516) | 03KhN28MDT | Welded equipment for sulfuric acid of any concentration up to 80 °C; higher resistance to intergranular and knife-line corrosion (GOST 5632) | — |
| 06ХН28МТ (ЭИ628) | 06KhN28MT | Welded structures in less aggressive media: sulfuric acid up to 20 % at no more than 60 °C, hot phosphoric acid (GOST 5632) | — |
| ХН45Ю (ЭП747) | KhN45Yu | Heat-resistant Fe-Ni-Cr-Al alloy: burner parts, thermocouple sheaths, furnace sheet and tube parts; long-term service at 1250–1300 °C (GOST 5632) | — |
| ХН70Ю (ЭИ652) | KhN70Yu | Heat-resistant Ni-Cr-Al alloy: sheet and tube parts for furnaces and hot-gas lines, long-term service to 1200 °C; also for resistance heating elements; not for sulfur-bearing atmospheres (GOST 5632) | — |
| ХН60Ю (ЭИ559А) | KhN60Yu | Heat-resistant Ni-Cr-Al alloy: hot-gas line parts and equipment, long-term service to 1200 °C; also for resistance heating elements (GOST 5632) | — |
Cobalt and nickel-cobalt alloys
Co-Cr alloys9 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| Cast Co-Cr-Mo / Vitallium | UNS R30075 | Cast CoCrMo — the standard material for artificial joints and dental castings | ≥ 665 |
| Wrought Co-Cr-Mo / Wrought CoCrMo | UNS R31537 / R31538 | Wrought low-carbon CoCrMo — hip and knee forgings and bearing surfaces | ≥ 1000 |
| Stellite 6 | UNS R30006 | The industry staple for valve-seat hardfacing and wear bushings | — |
| Stellite 1 | UNS R30001 | The hardest common Stellite — valve trim and bushings under severe abrasion | — |
| Stellite 12 | UNS R30012 | Between 1 and 6 in hardness — saw tips, sleeves, trimming dies | — |
| Stellite 21 | UNS R30021 | Cavitation- and impact-resistant — steam valve seats and hot-shear blades | ≥ 360@ 816 °C |
| Stellite 6B | UNS R30016 | The wrought 6 — erosion shields, scraper blades, sleeves | ≥ 896 |
| Tribaloy T-800 | T800 | Laves-phase hardfacing alloy — unlubricated high-temperature couples and valve seats | — |
| Ultimet | UNS R31233 | Combined corrosion and cavitation-erosion resistance — pumps, valves and mixers in corrosive slurries | — |
MP35N · MP1592 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 2.4999 · MP35N | NiCo35Cr20Mo10 · UNS R30035 | Multiphase Ni-Co-Cr-Mo — ultra-high strength, immune to chloride SCC | ≥ 1793 |
| MP159 | UNS R30159 | High-temperature MP grade — 650 °C-class ultra-high-strength fasteners | ≥ 1793 |
Titanium and refractory metals
Titanium25 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 3.7105 · Ti-0.3Mo-0.8Ni | UNS R53400 | Corrosion-grade titanium — far better crevice resistance than CP titanium, at 55% the density of nickel alloys | 520typ. |
| 3.7025 · CP Titanium Grade 1 / CP-Ti Grade 1 | UNS R50250 | Softest and most ductile grade — deep-drawn parts, linings, corrosion baseline | ≥ 240 |
| 3.7035 · CP Titanium Grade 2 / CP-Ti Grade 2 | UNS R50400 | Workhorse CP titanium — mainstay of chemical process equipment | ≥ 345 |
| 3.7055 · CP Titanium Grade 3 / CP-Ti Grade 3 | UNS R50550 | Higher-strength CP titanium for pressure-retaining shells | ≥ 450 |
| 3.7065 · CP Titanium Grade 4 / CP-Ti Grade 4 | UNS R50700 | Highest-strength CP titanium — fittings and rings | ≥ 550 |
| 3.7115 · Ti-5Al-2.5Sn | UNS R54520 | Weldable medium-temperature strength; ELI variant serviceable to −253 °C | ≥ 828 |
| 3.7235 · Ti-0.2Pd | UNS R52400 | Palladium-bearing, crevice-corrosion resistant — severe chloride media | ≥ 345 |
| Ti-6.5Al-1Mo-1V-2Zr | TA15 | Near-α grade for aerospace plate and forgings | ≥ 885 |
| 3.7195 · Ti-3Al-2.5V | UNS R56320 | Excellent tube formability — hydraulic lines | ≥ 620 |
| Ti-6Al-2Sn-4Zr-2Mo | UNS R54620 | High-temperature creep grade — compressor discs and blades | ≥ 896 |
| Ti-15V-3Cr-3Sn-3Al | TB5 | β titanium with outstanding cold formability — springs and fasteners | ≥ 1000 |
| Ti-10V-2Fe-3Al | TB6 | High strength-toughness forgings — landing-gear class | ≥ 1105 |
| Ti-15Mo-3Al-2.7Nb | TB8 | Oxidation-resistant β titanium — engine bay and hot fasteners | ≥ 825 |
| Ti-2Al-1.5Mn | TC1 | Lean-alloyed sheet for press forming | ≥ 590 |
| Ti-4Al-1.5Mn | TC2 | Medium-strength sheet and forgings | ≥ 685 |
| 3.7165 · Ti-6Al-4V | UNS R56400 | The most widely used titanium alloy — general structural workhorse | ≥ 895 |
| 3.7165 · TC4-ELI / Ti-6Al-4V ELI | UNS R56407 | Extra-low interstitial — medical implants and cryogenic service | ≥ 828 |
| Ti-6Al-2.5Mo-2Cr | TC6 | Engine structural forgings | ≥ 980 |
| Ti-6.5Al-3.5Mo-1.5Zr | TC11 | Aero compressor discs and blades, 500 °C class | ≥ 1030 |
| Ti-5Al-2Sn-2Zr-4Mo-4Cr | TC17 | High strength with damage tolerance — fan discs | ≥ 1120 |
| Ti-5Al-5Mo-5V-1Cr-1Fe | TC18 | Ultra-high-strength titanium for landing gear | ≥ 1080 |
| Ti-6Al-2Sn-2Zr-3Mo-1Cr-2Nb | TC21 | Damage-tolerant grade — integral frames and beams | ≥ 1100 |
| Ti-6Al-6V-2Sn | UNS R56620 | High-strength structural forgings — wing joints and fittings | ≥ 1207 |
| Ti-3Al-5Mo-4.5V | TC16 | The rivet & fastener titanium — cold-headable | — |
| Ti-4Al-2V | TA17 | Near-α titanium for naval and nuclear service — seawater-resistant, weldable | ≥ 685 |
Tungsten · Moly7 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| Pure Tungsten | W1 | Sintered pure tungsten — extreme-temperature parts, counterweights and targets | — |
| Lanthanated Tungsten WL10 | WL10 | Lanthanum-strengthened, sag-resistant — longer-life heaters and electrodes | — |
| 93W-Ni-Fe Heavy Alloy | W93 | Tungsten heavy alloy — counterweights and radiation shielding | — |
| Pure Molybdenum | Mo1 | Pure molybdenum — vacuum furnace parts, electrodes and boats | ≥ 620 |
| TZM Molybdenum Alloy | TZM | Ti-Zr strengthened — 1200 °C-class isothermal forging dies in vacuum | ≥ 790 |
| Mo-La Molybdenum | MoLa | Lanthana-dispersed — resists recrystallisation embrittlement | — |
| W-Cu 80/20 Electrode Alloy | CuW80 | EDM electrodes, HV contacts and heat sinks — conductive and arc-resistant | — |
Zirconium · Ta · Nb7 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| Zirconium 702 / Zr702 | UNS R60702 | Acetic acid, hydrochloric acid and alkaline service; forerunner of nuclear grade | ≥ 380 |
| Zirconium 705 / Zr705 | UNS R60705 | Higher-strength zirconium for pressure equipment | ≥ 485 |
| Pure Tantalum Ta1 | UNS R05200 | The ultimate answer for hot concentrated hydrochloric and sulphuric acid | ≥ 207 |
| Pure Niobium Nb1 | UNS R04200 | Superconducting cavities and chemical linings | ≥ 125 |
| Ta-2.5W / Tantaline | UNS R05252 | Strength-upgraded tantalum — hot concentrated HCl/H₂SO₄ exchangers and linings | ≥ 276 |
| C-103 Niobium-Hafnium | UNS R04295 | Coated, the liquid-rocket nozzle alloy — 1300 °C-class Nb-10Hf-1Ti | ≥ 372 |
| Nb-1Zr | UNS R04261 / R04251 | Alkali-metal coolant and space nuclear service — high melting point with weldability | ≥ 195 |
Special stainless and ultra-high-strength steels
Duplex stainless5 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 1.4462 · 2205 Duplex | X2CrNiMoN22-5-3 · UNS S32205 / S31803 | The workhorse duplex — flowlines, process equipment, offshore structures | ≥ 655 |
| 1.4410 · 2507 Super Duplex | X2CrNiMoN25-7-4 · UNS S32750 | PREN ≥ 40 super duplex — SWRO high-pressure piping and subsea manifolds | ≥ 795 |
| 1.4501 · Zeron 100 Super Duplex | X2CrNiMoCuWN25-7-4 · UNS S32760 | W/Cu-bearing super duplex — seawater pumps, valves and erosive service | ≥ 750 |
| 1.4162 · LDX 2101 Lean Duplex | X2CrMnNiN21-5-1 · UNS S32101 | Lean duplex — a cost-driven replacement for 304/316 in structural and pressure parts | ≥ 650 |
| 1.4362 · 2304 Lean Duplex | X2CrNiN23-4 · UNS S32304 | Molybdenum-free lean duplex — tanks, bridges and moderate-corrosion structures | ≥ 600 |
Super-austenitic stainless5 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 1.4539 · 904L Super-Austenitic | X1NiCrMoCu25-20-5 · UNS N08904 | The dilute-sulphuric classic — chemical, pharma and FGD service | ≥ 490 |
| 1.4547 · 254 SMO | X1CrNiMoCuN20-18-7 · UNS S31254 | 6Mo super-austenitic workhorse — seawater, bleach and FGD, interchangeable with 926 | ≥ 655 |
| 1.4563 · Alloy 28 | X1NiCrMoCu31-27-4 · UNS N08028 | Dual-duty grade — sour-well tubing and wet-process phosphoric acid | ≥ 500 |
| AL-6XN | UNS N08367 | 6Mo super-austenitic — seawater, bleach and FGD, interchangeable with 254 SMO | ≥ 690 |
| 1.4652 · 654 SMO | X1CrNiMoCuN24-22-8 · UNS S32654 | 7Mo top-tier austenitic (PREN ≈ 56) — desalination and bleach under extreme chlorides | ≥ 750 |
PH stainless4 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 1.4542 · 17-4PH Stainless | X5CrNiCuNb16-4 · UNS S17400 | The most widely used PH stainless — pump and valve shafts, fasteners, nuclear internals | ≥ 1310 |
| 1.4545 · 15-5PH Stainless | X5CrNiCuNb15-5 · UNS S15500 | The remelted, cleaner 17-4 — better transverse toughness for aerostructures | ≥ 1310 |
| 1.4568 · 17-7PH Stainless | X7CrNiAl17-7 · UNS S17700 | Semi-austenitic PH — form first, age after: springs, diaphragms, washers | ≥ 1450 |
| 1.4534 · PH13-8Mo Stainless | X3CrNiMoAl13-8-2 · UNS S13800 | High-strength, high-toughness PH — airframe parts and highly stressed fasteners | ≥ 1515 |
Maraging steel3 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 1.6359 · Maraging 250 | X2NiCoMo18-8-5 · UNS K92890 | 1800 MPa-class strength with toughness after ageing — aerospace structures and drive shafts | ≥ 1758 |
| 1.6358 · Maraging 300 | X2NiCoMo18-9-5 · UNS K93120 | The 2000 MPa-class workhorse — landing gear, racing drivetrains, die-casting dies | ≥ 1930 |
| Maraging 350 | 18Ni350≈ 1.6356 | 2400 MPa-class ultimate strength — special fasteners and centrifuge parts | — |
Functional alloys
Precision alloys11 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| Hiperco 50 | 1J22 | Highest saturation induction (2.4 T) — electromagnet pole pieces and high-power-density motors | — |
| Ni-Fe 50 (1J50) | Ni50 | Medium-saturation, high-permeability Fe-Ni — transformer and relay cores | — |
| 4-79 Permalloy | 1J79 | High initial permeability permalloy — weak-signal magnetic shielding and recording heads | — |
| Mumetal | 1J85 | The highest-permeability shielding material — instrument shield cans | — |
| Elgiloy | 3J21 | Corrosion-resistant, non-magnetic, high-elastic cobalt alloy — medical springs, guidewires, mainsprings | ≥ 1862 |
| Ni-Span-C 902 | 3J53 | Near-zero thermoelastic coefficient — resonators, frequency elements, precision springs | ≥ 1310 |
| 1.3981 · Kovar | NiCo29-18 · UNS K94610 | Expansion-matched to hard glass and ceramics — vacuum-tight seals and package leads | — |
| Super Invar | 4J32 | Lower expansion than Invar near room temperature — optical benches and laser cavities | ≥ 400 |
| 1.3912 · Invar 36 | FeNi36 · UNS K93600 | Near-zero expansion — LNG containment, precision gauges, composite tooling | ≥ 400 |
| 1.3917 · Alloy 42 | FeNi42 · UNS K94100 | Matched to soft glass and ceramics — lead frames and sealing leads | — |
| ARMCO Iron | DT4C | Solenoid cores and pole shoes — high saturation, low coercivity | ≥ 265 |
Resistance heating2 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| 2.4869 · Nichrome 80/20 | NiCr8020 · UNS N06023 | The Ni-Cr heating workhorse — 1200 °C in air | ≥ 650 |
| Kanthal A-1 | 0Cr25Al5≈ 1.4765 | Fe-Cr-Al elements to 1400 °C in air — high surface load, furnace wire and ribbon | ≥ 600 |
Copper alloys12 grades
| Grade | Name | Features and uses | Tensile Rm MPa |
|---|---|---|---|
| CW004A · ETP Copper | Cu-ETP · UNS C11000 | Conductive/thermal base metal — power and heat transfer | ≥ 235 |
| CW008A · Oxygen-Free Copper (OFHC) | Cu-OF · UNS C10200 | Electron-tube grade high-purity copper | ≥ 235 |
| CW508L · CuZn37 Brass | UNS C27400 / C27200 | General-purpose brass bar and plate | ≥ 345 |
| CW706R · Admiralty Brass | CuZn28Sn1As · UNS C44300 | Admiralty brass — classic condenser tubing | ≥ 310 |
| CW702R · Aluminium Brass | CuZn20Al2As · UNS C68700 | Seawater condenser tubing, erosion resistant | ≥ 345 |
| CW352H · 90/10 CuNi | CuNi10Fe1Mn · UNS C70600 | 90/10 copper-nickel — mainstay of seawater piping | ≥ 310 |
| CW354H · 70/30 CuNi | CuNi30Mn1Fe · UNS C71500 | 70/30 copper-nickel — high-velocity seawater systems | ≥ 360 |
| CW101C · Beryllium Copper | CuBe2 · UNS C17200 | Age-hardened ultra-high-strength springs and non-sparking tools | ≥ 1140 |
| CW307G · Nickel Aluminium Bronze | CuAl10Ni5Fe4 · UNS C63000 | Wear- and seawater-resistant — pumps, valves and propellers | ≥ 690 |
| Aluminium Bronze | UNS C62300 | General-purpose aluminium bronze — bearings, bushings, gears, valve seats and stems | ≥ 605 |
| CW452K · Phosphor Bronze | CuSn6 · UNS C51900 | Spring elements, bushings and washers — wear- and fatigue-resistant | ≥ 550 |
| CW106C · CuCrZr C18150 | CuCr1Zr · UNS C18150 | Resistance-welding electrodes, mould liners, high-current terminals | ≥ 470 |
Send us your service condition
Our engineers reply with material advice and a quote within 24 hours.