Phob unplât dur gwrthstaenMae ganddo ei gyfansoddiad a nodweddion cemegol unigryw ei hun, sy'n addas ar gyfer gwahanol feysydd cais.
Graddau cyfatebol o blatiau dur gwrthstaen 409/410/420/430/440/446
| Raddied | Werkstoff nr. | Dads | Afnor | BS | Jis |
| SS 409 | 1.4512 | S40900 | Z3ct12 | 409 S 19 | Sus 409 |
| SS 410 | 1.4006 | S41000 | - | 410S21 | SUS 410 |
| SS 430 | 1.4016 | S43000 | BF Z 3 CN 19-09 | - | - |
| SS 440 | 1.4125 | S44000 | - | - | - |
Cyfansoddiad cemegol platiau dur gwrthstaen 409/410/420/430/440/446
| Ngraddau | C | Ni | Si | S | Mn | P | Cr | T I. |
| SS 409 | 0.08 | 0.5 | 1.0 | 0.045 | 1.0 | 0.045 | 11.75 -10.5 | - |
| SS 410 | 0.15 ar y mwyaf | 0.50 ar y mwyaf | 1.0 | 0.030 | 1.0 | 0.040 | 11.5 - 13.5 | - |
| SS 430 | 0.12 | 1.0 | 0.030 | 1.0 | 0.040 | 16.0 | - | - |
| SS 440 | 0.95-1.20 | - | 1.0 | 0.030 | 1.0 | 0.040 | 16.00-18.00 | - |
Priodweddau Mecanyddol Dur Di -staen 409/410/410S/ 420/430/440/ 446 Plât
| Ngraddau | Ddwysedd | Pwynt toddi | Cryfder tynnol | Cryfder cynnyrch (gwrthbwyso 0.2%) | Hehangu | Caledwch (Brinell) Max | Caledwch (rockwell b) max |
| SS 409 | 8.0 g/cm3 | 1457 ° C (2650 ° F) | PSI - 75000, MPA - 515 | PSI - 30000, MPA - 205 | 35 % | - | - |
| SS 410 | - | 65 (450) | 30 (205) | 20 | 217 | 96 | |
| SS 430 | - | 450 | 205 | 22 | 89 | 183 | |
| SS 440 | - | 95,000 psi | 50,000 psi | 25% | 175 | - |
Amser Post: Mehefin-27-2023