Stainless Steel
Stainless steel is a corrosion-resistant, strong and versatile sheet metal widely used in construction, industry and manufacturing, known for its weather resistance and aesthetics.
A 240/A 240M – 04
Chromium and Chromium-Nickel Stainless Steel Plate,
Sheet, and Strip for Pressure Vessels and for General
Applications
This standard is issued under the fixed designation A 240/A 240M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
| UNS Designation B | Type C | Carbon D | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Molybdenum | Nitrogen | Copper | Other Element E,F |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel) | ||||||||||||
| S30100 | 301 | 0.15 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 6.0-8.0 | – | 0.10 | – | – |
| S30103 | 301L G | 0.03 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 6.0-8.0 | – | 0.20 | – | – |
| S30153 | 301LN G | 0.03 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 6.0-8.0 | – | 0.07-0.20 | – | – |
| S30200 | 302 | 0.15 | 2.00 | 0.045 | 0.030 | 0.75 | 17.0-19.0 | 8.0-10.0 | – | 0.10 | – | – |
| S30400 | 304 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0-20.0 | 8.0-10.5 | – | 0.10 | – | – |
| S30403 | 304L | 0.03 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0-20.0 | 8.0-12.0 | – | 0.10 | – | – |
| S30409 | 304H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0-20.0 | 8.0-10.5 | – | – | – | – |
| S30415 | – | 0.04-0.06 | 0.80 | 0.045 | 0.030 | 1.00-2.00 | 18.0-19.0 | 9.0-10.0 | – | 0.12-0.18 | – | Ce 0.03-0.08 |
| S30451 | 304N | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0-20.0 | 8.0-10.5 | – | 0.10-0.16 | – | – |
| S30452 | XM-21 J | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0-20.0 | 8.0-10.5 | – | 0.16-0.30 | – | – |
| S30453 | 304LN | 0.03 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0-20.0 | 8.0-12.0 | – | 0.10-0.16 | – | – |
| S30500 | 305 | 0.12 | 2.00 | 0.045 | 0.030 | 0.75 | 17.0-19.0 | 10.5-13.0 | – | – | – | – |
| S30600 | – | 0.018 | 2.00 | 0.020 | 0.020 | 3.7-4.3 | 17.0-18.5 | 14.0-15.5 | – | – | 0.50 | – |
| S30601 | – | 0.015 | 0.50-0.80 | 0.030 | 0.013 | 5.0-5.6 | 17.0-18.0 | 17.0-18.0 | – | 0.05 | 0.35 | – |
| S30615 | – | 0.16-0.24 | 2.00 | 0.030 | 0.030 | 3.2-4.0 | 17.0-19.5 | 13.5-16.0 | – | – | – | Al 0.80-1.50 |
| S30815 | – | 0.05-0.10 | 0.80 | 0.040 | 0.030 | 1.40-2.00 | 20.0-22.0 | 10.0-12.0 | – | 0.14-0.20 | – | Ce 0.03-0.08 |
| S30908 | 309S S | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 22.0-24.0 | 12.0-15.0 | – | – | – | – |
| S30909 | 309H G | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 0.75 | 22.0-24.0 | 12.0-15.0 | – | – | – | – |
| S30940 | 309Cb G | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 22.0-24.0 | 12.0-16.0 | – | – | – |
Cb 10xC min 1.10 max |
| S30941 | 309HCb G | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 0.75 | 22.0-24.0 | 12.0-16.0 | – | – | – | Cb 10xC min1.10 max |
| S31008 | 310S | 0.08 | 2.00 | 0.045 | 0.030 | 1.50 | 24.0-26.0 | 19.0-22.0 | – | – | – | – |
| S31009 | 310H G | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 0.75 | 24.0-26.0 | 19.0-22.0 | – | – | – | – |
| S31040 | 310Cb G | 0.08 | 2.00 | 0.045 | 0.030 | 1.50 | 24.0-26.0 | 19.0-22.0 | – | – | – | Cb 10xC min1.10 max |
| S31041 | 310HCb G | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 0.75 | 24.0-26.0 | 19.0-22.0 | – | – | – | Cb 10xC min1.10 max |
| S31050 | 310 MoLN G | 0.02 | 2.00 | 0.030 | 0.010 | 0.50 | 24.0-26.0 | 20.5-23.5 | 1.60-2.60 | 0.09-0.15 | – | – |
| S31060 | – | 0.05-0.10 | 1.00 | 0.040 | 0.030 | 0.50 | 22.0-24.0 | 10.0-12.5 | – | 0.18-0.25 | – |
Ce + La 0.025-0.070 B 0.001-0.010 |
| S31254 | – | 0.02 | 1.00 | 0.030 | 0.010 | 0.80 | 19.5-20.5 | 17.5-18.5 | 6.00-6.50 | 0.18-0.22 | 0.50-1.00 | – |
| S31266 | – | 0.03 | 2.0-4.0 | 0.035 | 0.020 | 1.00 | 23.0-25.0 | 21.0-24.0 | 5.20-6.20 | 0.35-0.60 | 1.00-2.50 | W 1.50-2.50 |
| S31277 | – | 0.02 | 3.00 | 0.030 | 0.010 | 0.50 | 20.5-23.0 | 26.0-28.0 | 6.50-8.00 | 0.30-0.40 | 0.50-1.50 | – |
| S31600 | 316 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | 0.10 | – | – |
| S31603 | 316L | 0.03 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | 0.10 | – | – |
| S31609 | 316H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | 0.10 | – | – |
| S31635 | 316TiG | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | 0.10 | – | Ti 5 x (C+N) min, 0.70 max |
| S31640 | 316CbG | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | 0.10 | – | Cb 10xC min1.10 max |
| S31651 | 316N | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | 0.10-0.16 | – | – |
| S31653 | 316LN | 0.03 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | 0.10-0.16 | – | – |
| UNS Designation | Type A | Tensile Strength, min | Yield Strength, B min |
Elongation in 2in. or 50mm |
Hardness, max C | Cold Bend °D | |||
|---|---|---|---|---|---|---|---|---|---|
| ksi | MPa | ksi | MPa | min, % | Brinell | Rockwell B | |||
| S30100 | 301 | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S30103 | 301L F | 80 | 550 | 32 | 220 | 45 | 241 | 100 | not required |
| S30153 | 301LN F | 80 | 550 | 35 | 240 | 45 | 241 | 100 | not required |
| S30200 | 302 | 75 | 515 | 30 | 205 | 40 | 201 | 92 | not required |
| S30400 | 304 | 75 | 515 | 30 | 205 | 40 | 201 | 92 | not required |
| S30403 | 304L | 70 | 485 | 25 | 170 | 40 | 201 | 92 | not required |
| S30409 | 304H | 75 | 515 | 30 | 205 | 40 | 201 | 92 | not required |
| S30415 | 87 | 600 | 42 | 290 | 40 | 217 | 95 | not required | |
| S30451 | 304N | 80 | 550 | 35 | 240 | 30 | 217 | 95 | not required |
| S30452 | XM-21 K | 90 | 620 | 50 | 345 | 30 | 241 | 100 | not required |
| S30453 | 304LN | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S30500 | 305 | 70 | 485 | 25 | 170 | 40 | 183 | 88 | not required |
| S30600 | 78 | 540 | 35 | 240 | 40 | 217 | 95 | not required | |
| S30601 | 78 | 540 | 37 | 255 | 30 | 217 | 95 | not required | |
| S30615 | 90 | 620 | 40 | 275 | 35 | 217 | 95 | not required | |
| S30815 | 87 | 600 | 45 | 310 | 40 | 217 | 95 | not required | |
| S30908 | 309S | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S30909 | 309H F | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S30940 | 309Cb F | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S30941 | 309HCb F | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S31008 | 310S | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S31009 | 310HF | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S31040 | 310CbF | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S31041 | 310HCbF | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S31050 | 310 MoLNF | ||||||||
| t≤0.25in. | 84 | 580 | 39 | 270 | 25 | 217 | 95 | not required | |
| t＞0.25in. | 78 | 540 | 37 | 255 | 25 | 217 | 95 | not required | |
| S31060 | 87 | 600 | 41 | 280 | 40 | 217 | 95 | not required | |
| S31254 Sheet and Strip Plate | 100 95 | 690 655 | 45 45 | 310 310 | 35 35 | 223 223 | 96 96 | not required | |
| S31266 | 109 | 750 | 61 | 420 | 35 | 217 | 95 | not required | |
| S31277 | 112 | 770 | 52 | 360 | 40 | 217 | 95 | not required | |
| S31600 | 316 | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S31603 | 316L | 70 | 485 | 25 | 170 | 40 | 217 | 95 | not required |
| S31609 | 316H | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S31635 | 316TiF | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |
| S31640 | 316CbF | 75 | 515 | 30 | 205 | 30 | 217 | 95 | not required |
| S31651 | 316N | 80 | 550 | 35 | 240 | 35 | 217 | 95 | not required |
| S31653 | 316LN | 75 | 515 | 30 | 205 | 40 | 217 | 95 | not required |