CHEMICAL COMPOSITIONS
Austenitic & Super Austenitic Stainless Steel
| Grade | UNS No. | EN No. | C | Cr | NI | Mo | Others |
|---|---|---|---|---|---|---|---|
304 | S30400 | 1.4301 | 0.08 | 18.00 - 20.00 | 8.00 - 12.00 | - | - |
304 L | S30403 | 1.4307 | 0.035 | 18.00 - 20.00 | 8.00 - 12.00 | - | - |
310 S | S31008 | 1.4845 | 0.08 | 24.00 - 26.00 | 19.00 - 22.00 | - | - |
316 | S31600 | 1.4401 | 0.08 | 16.00 - 18.00 | 10.00 - 14.00 | 2.00 - 3.00 | - |
316 L | S31603 | 1.4404 | 0.035 | 16.00 - 18.00 | 10.00 - 14.00 | 2.00 - 3.00 | - |
316 H | S31609 | - | 0.04 - 0.10 | 16.00 - 18.00 | 10.00 - 14.00 | 2.00 - 3.00 | - |
316 Ti | S31635 | 1.4571 | 0.08 | 16.00 - 18.00 | 10.00 - 14.00 | 2.00 - 3.00 | Ti:5x(C+N) - 0.7 |
317 L | S31703 | 1.4438 | 0.035 | 18.00 - 20.00 | 11.00 - 15.00 | 3.00 - 4.00 | - |
321 | S32100 | 1.4541 | 0.08 | 17.00 - 19.00 | 9.00 - 12.00 | - | Ti:5x(C+N) - 0.7 |
347 | S34700 | 1.4550 | 0.08 | 16.00 - 18.00 | 10.00 - 14.00 | - | - |
347 H | S34709 | 1.4551 | 0.04 - 0.10 | 17.00 - 20.00 | 9.00 - 13.00 | - | - |
904 L | S8904 | 1.4539 | 0.02 | 19.00 - 23.00 | 23.00 - 28.00 | 4.00 - 5.00 | N:0 10 max Cu: 10 - 20 |
Ferritic Stainless Steel
| Grade | UNS No. | EN No. | C | Cr | NI | Mo | Others |
|---|---|---|---|---|---|---|---|
405 | S30400 | 1.4301 | 0.08 | 18.00 - 20.00 | 8.00 - 12.00 | - | - |
409 | S30403 | 1.4307 | 0.035 | 18.00 - 20.00 | 8.00 - 12.00 | - | - |
410 | S31008 | 1.4845 | 0.08 | 24.00 - 26.00 | - | - | - |
Duplex and Super Duplex Stainless Steel
| Grade | UNS No. | EN No. | C | Cr | NI | Mo | Others |
|---|---|---|---|---|---|---|---|
Alloy 2205 | 31803 | 1.4462 | 0.03 | 21.00 - 23.00 | 4.50 - 6.50 | 2.50 - 3.50 | N : 0.08 - 0.20 |
Alloy 2507 | 32750 | 1.4410 | 0.03 | 24.00 - 26.00 | 6.00 - 8.00 | 3.00 - 4.50 | N : 0.24 - 0.32 |
Alloy 2205 | 32760 | 1.4501 | 0.05 | 24.00 - 26.00 | 6.00 - 8.00 | 3.00 - 4.00 | N : 0.20 - 0.30 |
Nickel Alloys
| Grade | UNS No. | EN No. | C | Cr | NI | Mo | Others |
|---|---|---|---|---|---|---|---|
Alloy 20 | 8020 | 2.4460 | 0.07 | 19.00 - 21.00 | 32.00 - 38.00 | 2.00 - 3.00 | Cu : 3.00 - 4.00 |
Alloy 28 | 8028 | 1.4563 | 0.03 | 26.00 - 28.00 | 30.00 - 34.00 | 3.00 - 4.00 | Cu : 0.60 - 1.40 |
Monel 400 | 4400 | 2.4360 | 0.30 | - | 63.00 Min | - | Cu : 28.00 - 34.00 |
Inconel 600 | 6600 | 2.4816 | 0.15 | 14.00 - 17.00 | 72.00 Min | - | Fe: 6.00 - 10.00 |
Inconel 625 | 6625 | 2.4865 | 0.10 | 20.00 - 23.00 | 58.00 Min | 8.00 - 10.00 | Fe: 5.00 Max Nb + Ta: 3.15 - 4.15 |
Inconel 800 | 8800 | - | 0.10 | 19.00 - 23.00 | 30.00 - 35.00 | - | Fe : 39.50 Max |
Inconel 825 | 8825 | 2.4858 | 0.05 | 19.50 - 23.50 | 38.00 - 46.00 | 2.50 - 3.50 | Fe : 22.00 Min |
Hastalloy C-276 | N 10276 | - | 0.01 | 14.50 - 16.50 | - | 15.00 - 17.00 | Fe : 5.00 Max Nb +Ta : 3.15 - 4.15 |
ASTM | American Society for Testing of Materials | ASME | American Society for Mechanical Engineers | SAE | Society of Automative Engineers |
DIN | Deutsches Institute for Normung | JIS | Japazn Industrial Standards | UNS | Unified Numbering System |
GOST | Gosudarstvenil Standart | TEMA | Tubular Exchanger Manufacturer Association | PED | Pressure Equipment Directive |
