420 Stainless steel coil manufacturer
420 stainless steel is a kind of martensiform stainless steel, with certain wear resistance and corrosion resistance, higher hardness characteristics, suitable for all kinds of precision machinery, bearings, electrical, equipment, instruments, meters, transportation vehicles, household appliances, etc.
Mainly used in the manufacture of atmospheric, water vapor, water and oxidizing acid corrosion parts.
| AISI 420 UNS S42000 | EN | DIN |
| 1.4021 | X20Cr13 | |
| 1.4028 | X30Cr13 | |
| 1.4031 | X39Cr13 | |
| 1.4034 | X46Cr13 |
Alloy 420 is a hardenable, martensitic stainless steel that is a modification of Alloy 410. Similar to 410, it contains a minimum of 12% chromium, just sufficient enough to give corrosion resistant properties. Alloy 420 has higher carbon content than Alloy 410 which is designed to optimize strength and hardness characteristics. It has good ductility it the annealed condition but is capable of being hardened up to Rockwell hardness 50 HRC, the highest hardness of the 12% chromium grades.
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