ASTM A182 is a standard specification for forged or rolled alloy and stainless steel materials, used for manufacturing pipe flanges, forged fittings, valves and other parts for high temperature service applications. ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment, welding repairs and other supplementary requirements for forged or rolled alloy and stainless steel materials used in pressure system.
| Grade | Identification Symbol | UNS Designation |
|---|---|---|
| Carbon Molybdenum | F1 | K12822 |
| 0.5% Chromium | F2 | K12122 |
| 4 to 6% Chromium | F5 | K41545 |
| 4 to 6% Chromium | F5a | K42544 |
| 9% Chromium | F9 | K90941 |
| 20% Nickel, 8% Chromium | F10 | S33100 |
|
9% Chromium, 1% Molybdenum, 0.2% Vanadium plus Columbium and Nitrogen |
F91 | K90901 |
| 9 % chromium, 1.8 %tungsten, 0.2 %vanadium plus columbium | F92 | K92460 |
|
11% Chromium, 2% Tungsten, 0.2% Vanadium, plus
Molybdenum, Columbium, Copper, Nickel, Nitrogen, & Boron |
F122 | K91271 |
| 9% Chromium, 1% Molybdenum, 0.2% Vanadium plus Columbium & Nitrogen | F911 | K91061 |
| 1.25% Chromium, 0.5% Molybdenum | F11 - Class 1 | K11597 |
| 1.25% Chromium, 0.5% Molybdenum | F11 - Class 2 | K11572 |
| 1.25% Chromium, 0.5% Molybdenum | F11 - Class 3 | K11572 |
| 1% Chromium, 0.5% Molybdenum | F12 - Class 1 | K11562 |
| 1% Chromium, 0.5% Molybdenum | F12 - Class 2 | K11564 |
| Chromium - Molybdenum | F21 | K31545 |
| 3% Chromium, 1% Molybdenum, 0.25% Vanadium Plus Boron & Titanium | F3V | K31830 |
| 3% Chromium, 1% Molybdenum, 0.25% Vanadium Plus Boron & Titanium | F3VCb | K31390 |
| Chromium - Molybdenum | F22 - Class 1 | K21590 |
| Chromium - Molybdenum | F22 - Class 3 | K21590 |
| 2.25% Chromium, 1% Molybdenum, 0.25% Vanadium | F22V | K31835 |
|
2.25% Chromium, 1.6% Tungsten, 0.25% Vanadium, plus Molybdenum, Columbium, & Boron |
F23 | K41650 |
|
2.25% Chromium, 1% Molybdenum, 0.25% Vanadium plus Boron & Titanium |
F24 | K30736 |
| 2% Nickel, 1% Copper | FR | K22035 |
| 1.15% Nickel, 0.65% Copper, Molybdenum, and Columbium | F36 | K21001 |
| Grade | Identification Symbol | UNS Designation |
|---|---|---|
| 13% Chromium (410) | F6a | S41000 |
| 13% Chromium, 0.5% Molybdenum | F6b | S41026 |
| 13% Chromium, 4% Nickel | F6NM | S41500 |
| 27% Chromium, 1% Molybdenum | F XM-27Cb | S44627 |
| 15% Chromium 429 | F429 | S42900 |
| 17% Chromium 430 | F430 | S43000 |
| 18% Chromium, 8% Nickel 304 | F304 | S30400 |
| 18% Chromium, 8% Nickel 304H | F304H | S30409 |
| 18% Chromium, 8% Nickel, Low Carbon 304L | F304L | S30403 |
| 18% Chromium, 8% Nickel, modified with Nitrogen 304N | F304N | S30451 |
| 18% Chromium, 8% Nickel, modified with Nitrogen 304LN | F304LN | S30453 |
| 23% Chromium, 13.5% Nickel 309H | F309H | S30909 |
| 25% Chromium, 20% Nickel 310 | F310 | S31000 |
| 25% Chromium, 20% Nickel 310H | F310H | S31009 |
| 25% Chromium, 22% Nickel, modified with Molybdenum and Nitrogen, Low Carbon 310MoLN | F310MoLN | S31050 |
| 18% Chromium, 8% Nickel, modified with Molybdenum 316 | F316 | S31600 |
| 18% Chromium, 8% Nickel, modified with Molybdenum 316H | F316H | S31609 |
| 18% Chromium, 8% Nickel, modified with Molybdenum, Low Carbon 316L | F316L | S31603 |
| 18% Chromium, 8% Nickel, modified with Molybdenum and Nitrogen 316N | F316N | S31651 |
| 18% Chromium, 8% Nickel, modified with Molybdenum and Nitrogen 316LN | F316LN | S31653 |
| 18% Chromium, 8% Nickel, modified with Molybdenum and Nitrogen 316Ti | F316Ti | S31635 |
| 19% Chromium, 13% Nickel, 3.5% Molybdenum 317 | F317 | S31700 |
| 19% Chromium, 13% Nickel, 3.5% Molybdenum 317L | F317L | S31703 |
| 18% Chromium, 15% Nickel, 4.5% Molybdenum, 3.5% Copper with Nitrogen | ... | S31727 |
| 23% Chromium, 25% Nickel, 5.5% Molybdenum, with Nitrogen | ... | S32053 |
| 18% Chromium, 8% Nickel modified with titanium 321 | F321 | S32100 |
| 18% Chromium, 8% Nickel, modified with Titanium 321H | F321H | S32109 |
| 18% Chromium, 8% Nickel modified with Columbium 347 | F347 | S34700 |
| 18% Chromium, 8% Nickel, modified with Columbium 347H | F347H | S34709 |
| 18% Chromium, 8% Nickel modified with Columbium and Nitrogen 347LN | F347LN | S34751 |
| 18% Chromium, 8% Nickel modified with Columbium 348 | F348 | S34800 |
| 18% Chromium, 8% Nickel, modified with Columbium 348H | F348H | S34809 |
| 20% Chromium, 6% Nickel, 9% Manganese XM-11 | F XM-11 | S21904 |
| 22% Chromium, 13% Nickel, 5% Manganese XM-19 | F XM-19 | S20910 |
| 35% Nickel, 20% Chromium, 3.5% Copper, 2.5% Molybdenum | F20 | N08020 |
| 20% Chromium, 18% Nickel, 6% Molybdenum, Low Carbon | F44 | S31254 |
| 21% Chromium, 11% Nickel modified with Nitrogen and Cerium | F45 | S30815 |
| 18% Chromium, 15% Nickel, 4% Silicon | F46 | S30600 |
| 19% Chromium, 15% Nickel, 4% Molybdenum 317LM | F47 | S31725 |
| 19% Chromium, 15% Nickel, 4% Molybdenum 317LMN | F48 | S31726 |
| 24% Chromium, 17% Nickel, 6% Manganese, 5% Molybdenum | F49 | S34565 |
| 32% Nickel, 27% Chromium with columbium | F56 | S33228 |
| 24% Chromium, 20% Nickel, 6% Molybdenum, 2% Tungsten with Nitrogen | F58 | S31266 |
| 21% Chromium, 25% Nickel, 6.5% Molybdenum | F62 | N08367 |
| 18% Chromium, 20% Nickel, 5.5% silicon | F63 | S32615 |
| 17.5% Chromium, 17.5% Nickel, 5.3% silicon | F64 | S30601 |
| 21% Chromium, 26% Nickel, 4.5% Molybdenum 904L | F904L | N08904 |
| 25% Chromium, 6% Nickel, modified with Nitrogen | F50 | S31200 |
| 22% Chromium, 5.5% Nickel, modified with Nitrogen | F51 | S31803 |
| 26% Chromium, 3.5% Nickel, 1.0% Molybdenum | F52 | S32950 |
| 25% Chromium, 7% Nickel, 4% Molybdenum, modified with Nitrogen 2507 | F53 | S32750 |
| 25% Chromium, 7% Nickel, modified with Nitrogen and Tungsten | F54 | S39274 |
| 25% Chromium, 7% Nickel, 3.5% Molybdenum, modified with Nitrogen and Tungsten | F55 | S32760 |
| 26% Chromium, 7% Nickel, 3.7% Molybdenum | F57 | S39277 |
| 25% Chromium, 6.5% Nickel, 4% Molybdenum with Nitrogen | F59 | S32520 |
| 22% Chromium, 5.5% Nickel, 3% Molybdenum, modified with Nitrogen 2205 | F60 | S32205 |
| 26% Chromium, 6% Nickel, 3.5% Molybdenum with Nitrogen and copper 255 | F61 | S32550 |
| 29% Chromium, 6.5% Nickel, 2% Molybdenum with Nitrogen | F65 | S32906 |
| 22% Chromium, 2.0% Nickel, 0.25% Molybdenum with Nitrogen | F66 | S32202 |
| 25% Chromium, 6% Nickel, 3% Molybdenum, with Nitrogen and Tungsten | F67 | S32506 |
| 23% Chromium, 4% Nickel, with Nitrogen | F68 | S32304 |