Stainless steel material. 40CR 13 is a new brand of 4CR 13. 40Cr 13 (old: 4cr13); Standard: GB/T1220-1992; Numeric code:1.45438+0; Corresponding to German brand: X39Cr 13.
Characteristics: 4Cr 13 has higher hardness and better corrosion resistance than 3Cr 13 after quenching. The quenching hardness is generally above HRC48.
Uses: Industry: It is suitable for EDM grinding, making the core cavity of injection mold with high mirror surface and high precision. After heat treatment, it has high hardness and toughness, and can also be used as stamping die accessories and templates. It is required to clamp the fixture mold on the surface of the product. Suitable for high-temperature rust prevention and corrosion prevention occasions.
Civil use: it can be used to make dinner knives and outdoor knives.