TH106952A - Steel for hot tooling And parts that have been manufactured from this steel A method for producing this and using it - Google Patents

Abstract

DC60 (22/02/50) Hot work tool steel, having a composition by weight percentage of 0.30% less than or equal to C less than or equal to 0.39%, -4.00 less than or equal to Cr less than or equal to 6.00%, very small amount less than or equal to Si less than or equal to 0.50%, very small amount less than or equal to Mn less than or equal to 0.80%, very small amount less than or equal to W less than or equal to 1.45%, very small amount. Less than or equal to Co Less than or equal to 2.75%, 0.80% Less than or equal to Ni Less than or equal to 2.80%, 1.50% Less than or equal to Mo Less than or equal to 2.60% With 1.50% Less than or equal to Mo + 0.65W Less than or equal to 3.20%, 0.55% Less than or equal to V Less than or equal to 0.80% With -0.65% Less than or equal to K Less than or equal to 0.65% Where K=K2-K1 and K2=0.75x(Ni-0.60) K1=1.43x(V-0.40)+0.63x[(Mo+0.65W)-1.2], Very small amount Less than or equal to Al Less than or equal to 0.080%, Very small amount Less than or equal to S Less than or equal to 0.0040%, Very small amount Less than or equal to P Less than or equal to 0.0200%, very small amount Less than or equal to Ti Less than or equal to 0.05%, very small amount Less than or equal to Zr Less than or equal to 0.05%, very small amount Less than or equal to Nb Less than or equal to 0.08%, very small amount Less than or equal to N Less than or equal to 0.040%, 10P+As+5Sb+4Sn Less than or equal to 0.21%, very small amount Less than or equal to O Less than or equal to 30 ppm The remainder is iron and various impurities that cannot be avoided. Parts manufactured from this steel and methods of manufacturing this steel. Applications of such parts Hot work tool steel, with a percentage by weight of 0.30% Less than or equal to C Less than or equal to 0.39%, -4.00 Less than or equal to Cr Less than or equal to 6.00%, very small amount. Less than or equal to Si Less than or equal to 0.50%, very small amount Less than or equal to Mn Less than or equal to 0.80%, very small amount Less than or equal to W Less than or equal to 1.45%, very small amount Less than or equal to Co Less than or equal to 2.75%, 0.80% Less than or equal to Ni Less than or equal to 2.80%, 1.50% Less than or equal to Mo Less than or equal to 2.60% With 1.50% Less than or equal to Mo + 0.65W Less than or equal to 3.20%, 0.55% Less than or equal to V Less than or equal to 0.80% With -0.65% Less than or equal to K Less than or equal to 0.65% Where K=K2-K1 and K2=0.75x(Ni-0.60) K1=1.43x(V-0.40)+0.63x[(Mo+0.65W)-1.2], Very small amount Less than or equal to Al Less than or equal to 0.080%, Very small amount Less than or equal to S Less than or equal to 0.0040%, Very small amount Less than or equal to P Less than or equal to 0.0200%, very small amount Less than or equal to Ti Less than or equal to 0.05%, very small amount Less than or equal to Zr Less than or equal to 0.05%, very small amount Less than or equal to Nb Less than or equal to 0.08%, very small amount Less than or equal to N Less than or equal to 0.040%, 10P+As+5Sb+4Sn Less than or equal to 0.21%, very small amount Less than or equal to O Less than or equal to 30 ppm The rest is iron and various impurities that cannot be avoided. Parts produced from this steel and methods of producing this steel. Applications of such parts.

Claims (1)

1. Hot tool steel with percentage by weight as follows: -0.30% less than or equal to C less than or equal to 0.39% -4.00 less or equal Cr less than or equal 6.00% - very small quantity. Less than or equal to Si is less than or equal to 0.50% - very small quantity. Less than or equal to Mn, less than or equal to 0.80% - very small quantity. Less than or equal to W less than or equal to 1.45%