Technical parameters:
Chemical Composition | C | Si | Mn | P | S | Cr | Mo | Ni | V | N |
0.42-0.50 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.03 | 12.5-14.5 | / | ≤1.0 | / | / | |
ASTMF899-12B |
Basic information:
420B-1.4028 is a modified martensitic stainless steel with a complex smelting process of EAF+VOD.
It has a medium to high carbon content and is usually used for the cutting edges of general medical devices.
Applicable standards:
Europe | USA | Other |
1.4031 | AISI420 |
Basic parameters:
UTS (Mpa) | 0.2%YS (Mpa) | A% | Z% | Hardness (HRC) | |
Annealed | 22 | ||||
Quench+temper | 55-60 |
Medical applicable product range:
Hardness requirement (55-60HRC), good wear resistance, but low corrosion resistance, suitable for applications with low corrosion resistance requirements.