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These stainless steels are iron, chromium and carbon alloys,
with typical compositions of C 0.10~1.0% and 13% chromium.
The stainless steel that characterises this group is AISI 420, UNS S42000
Martensitic stainless steels suffer structural changes at high temperatures;
therefore, they usually undergo hardening and tempering heat treatments.
After these treatments, these materials obtain high mechanical properties and sufficient corrosion resistance.
Their most typical application is blade.
| AISI | EN / DIN |
| 420A | 1.4021, X20Cr13 |
| 420B | 1.4028, X30Cr13 |
| 420C | 1.4034, X46Cr13 |
| 420D | 1.4037, X65Cr13 |
Martensitic steel - AISI 420 is essentially a chrome-based alloy
which contains minor quantities of other metals.
Martensitic steel is particularly suitable for applications
requiring high mechanic and abrasion resistance,
along with a moderate corrosion resistance.
Chemical composition of grade AISI 420 stainless %
| Grade | C | Si | Mn | Cr |
| 420A | 0.16~0.25 | 1.00 | 1.50 | 12.00~14.00 |
| 420B | 0.26~0.35 | 1.00 | 1.50 | 12.00~14.00 |
| 420C | 0.43~0.50 | 1.00 | 1.00 | 12.50~14.50 |
| 420D | 0.58~0.70 | 1.00 | 1.00 | 12.50~14.50 |
Product forms
AISI 420 ( 420A, 420B, 420C and 420D ) stainless Cold rolled steel
coil, precision strip and sheet
For Details, please Contact
WUXI GUANGLU Special Steel Co., Ltd.
Stainless martensitic • precipitation hardening steel • stainless ferritic — Our answer to your needs
Tel: +86 510 81812873
Email: export@guanglusteel.com
