Baosteel 8Cr13 mold steel, what material is 8Cr13, 8Cr13

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Material Characteristics 3 Steel is a highly wear-resistant hot work die steel. Cast from 3 steel, it has high hardness, wear resistance and sharpness, and the concave cross section can effectively extend the sharpness. It can be re-grinded many times after being used bluntly. It can be used for mirror molds. It has high acid resistance after quenching. Tempering in the ~ range should be avoided to avoid reducing the impact toughness, which is not conducive to molds with higher toughness requirements.
Delivery status
Quenched and tempered state, hardness is about ~B.
Chemical composition
The chemical composition (mass fraction) of the steel: ~.,.3,.~.,.~3..
Reference corresponding grades
American standard grades, Japanese standard grades, German standard grades. China Taiwan Ronggang (R) standard grade, Sweden ASSAB (B) standard grade.
Critical point temperature (approximate value)

℃, r
℃, r
℃.
Specifications for isothermal spheroidizing annealing
Furnace cooling at ~℃~3, furnace cooling at ~℃3~, air cooling out of the furnace, hardness B, metallographic structure of pearlite ~ grade, network carbide grade class.
Ordinary annealing specifications
Annealing temperature ~ ℃, air cooling after release, hardness ~ B
Ordinary quenching and tempering specifications
Quenching temperature ~ ℃, oil cooling or air cooling, hardness ~, tempering Fire temperature ~ ℃, hardness ~.
Typical application examples
) are mainly used for hot forging dies.
) The high-temperature tempering and softening process of steel billets is used, which can be used for small hot-working dies with a thickness of less than 3, and for softening treatment of old molds before renovation.
3) Suitable for plastic food molds such as,,,,,, etc.
) is suitable for making molds or small and medium-sized forging dies (side length 3~) that bear little load.