Materials
Fer-rous/feras/Latin: Ferrum (iron)/adjective – Chemistry (chiefly of metals) containing or consisting of Iron (Fe), including steel and iron with other metals such as stainless steel.
Utilizing current ASTM specifications, and tapping into over 60 years of practical metallurgical experience, Thompson Foundry manufactures castings in over 75 ferrous alloys, ranging from traditional Grey Iron to Complex Low-Carbon Duplex Stainless Steel.
If you don't see an alloy group or specific material grade you are looking for in the list below, contact us with your requirements and we'll gladly discuss them with you. Custom chemistry and certified ingot heats are also available.
alloys List
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| Common name | ASTM Specification |
|---|---|
| Gray Iron Castings, A, B C and S tensile specifications, (fracture is gray colour) | |
| Cast iron class 20 | A48-20 |
| Cast iron class 30 | A48-30 |
| Cast iron class 35 | A48-35 |
| Cast iron class 40 | A48-40 |
| Cast iron class 45 | A48-45 |
| Cast iron class 50 | A48-50 |
| Ductile Iron Castings (Nodular Iron) | |
| Ductile 60 | A536 Grade 60-40-18 |
| Ductile 65 | A536 Grade 65-45-12 |
| Ductile 80 | A536 Grade 80-55-06 |
| Ductile 100 | A536 Grade 100-70-03 |
| Ductile 120 | A536 Grade 120-90-02 |
| Abrasion-Resistant Cast Iron (white iron, fracture is silver colour) | |
| Type 1 NiHard | A532 1A - Ni-Cr-Hc |
| Type 2 NiHard | A532 1B - Ni-Cr-Lc |
| Type 3 NiHard | A532 1C - Ni-Cr-GB |
| Type 4 NiHard | A532 1D - Ni-HiCr |
| 12% Cr white iron | A532 2A - 12% Cr |
| 15% Cr white iron | A532 2B - 15% Cr-Mo |
| 20% Cr white iron | A532 2D - 20% Cr-Mo |
| 25% Cr white iron; HCWI; Chrome White Iron | A532 3A - 25% Cr |
| Austenitic Stainless Steel Castings | |
| 304L | A351, A743, A744 CF3 |
| 304 | A351, A743, A744 CF8 |
| 316L | A351, A743, A744 CF3M |
| 316 | A351, A743, A744 CF8M |
| 317L | A351, A743, A744 CG3M |
| 317 | A351, A743, A744 CG8M |
| CN7 | A351, A747, A744 CN7 |
| Alloy 20, Carpenter 20 stainless | A351, A743, A744 CN7M |
| Nitronic 50 stainless | A351 CG6MMN |
| 254SMO | A351, A743, A744 CK3MCuN |
| 904L | No Cast Grade |
| Martensitic Stainless Steel Alloy Castings | |
| A352, A356, A743 CA6NM | |
| 410 stainless | A217, A487, A743 CA15 |
| 420 stainless | A743 CA40 |
| Duplex Stainless Steel Castings | |
| 25-5 PH stainless | A890, A995 Grade 1B CD4MCuN |
| CD3MCuN | A890 Grade 1C CD3MCuN |
| CD6MN | A890, A995 Grade 3A CD6MN |
| Ferralium 255, Zeron 100 | A890, A995 Grade 6A CD3MWCuN |
| 2205 | A890, A995 Grade 4A CD3MN |
| Nickel Based Alloy Castings | |
| N7M - NI-BN7M, Nickel B | A494 N-7M |
| Hastelloy C-276 | A494 CW-12MW |
| CW-6M | A494 CW-6M |
| Hastelloy C-4, Nickel alloy C | A494 CW-2M |
| Hastelloy C-22, Nickel alloy C | A494 CX2MW |
| Hastelloy G30 | No ASTM equivalent |
| Nickel - Chrome Alloy Castings | |
| 50/50 NiCr | A560 50 Cr-50 Ni |
| 60/40 NiCr | A560 60 Cr-40 Ni |
| 50/50 NiCrCb | A560 50Cr-50 Ni-Cb |
| Heat Resistant Stainless Steel Castings | |
| 446 | A297 HC |
| A297 HD | |
| A297 HE | |
| 308 | A297 HF |
| 309, 25-12 | A297 HH |
| 309 | A297 HH |
| 310 | A297 HK |
| A297 HN | |
| A297 HP | |
| 330 stainless | A297 HT |
| A297 HU | |
| A297 HX | |
| Precipitation Hardened Stainless Steel Castings | |
| 17-4PH | A747 Gr CB7Cu-1 |
| 15-5PH | A747 Gr CB7Cu-2 |
| Specialty Iron Castings, Heat Resistant Gray Iron | |
| A319 Class I, II, III (A-D) | |
| TF Tempresist 10% Cr cast iron | |
| TF Tempresist 2% Cr cast iron | |
| TF Temprisist 0.5% Cr cast iron | |
| TF Tempresist 0.5% NiCrMo cast iron | |
| TF Tempresist 3% Ni Ductile Iron | |
| TF Tempresis 0.5% NiCrMo Ductile iron | |
| Austenitic Grey and Austenitic Ductile Iron | |
| Ni-Resist #1 | A436 Type 1 |
| Ni-Resist #2 | A436 Type 2 |
| Ductile Ni-Resist D2-B | A439 Type D2-B |
| Ductile Ni-Resist D5-B | A439 Type D5-B |
| Carbon Steel Castings | |
| 1020 | A27, A148 |
| 1025 | A27, A148 |
| 1030 | A27, A148 |
| 1040 | A27, A148 |
| LCA, LCB, LCA | A352 Gr LCA, LCB, LCC |
| WCA, WCB, WCC | A216 Gr WCA, WCB, WCC |
| Alloy Steel Castings | |
| 4130 | A915 SC 4130 |
| 4140 | A915 SC 4140 |
| 4330 | A915 SC 4330 |
| 4340 | A915 SC 4340 |
| 8630 | A915 SC 8630 |
| High Strength Steel | A148 all Grades |
| Chrome - Moly steel; Cr-Mo | |
| Astralloy V | |
| Manganese (Hadfield) Steel Castings | |
| Grade A | A128 Grade A |
| Grade B | A128 Grade B |
| Grade C | A128 Grade C |
| Grade D | A128 Grade D |
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