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SKD11

SKD11 is a high wear resistance and toughness of universal cold work die steel, high carbon high chromium alloy tool steel and vacuum degassing refining steel, pure steel, with good hardenability, quenching deformation of small amount of good hardenability. The steel is treated by spheroidizing annealing softening, the workability is good, the carbide particles are small and uniform, and there is no need to worry about the addition of quenching cracking to strengthen the elements of molybdenum and vanadium. High hardness, high wear-resistant eutectic carbide uniform, good toughness, not easy to crack, hardness after quenching> 62HRC. Nitriding treatment at 525 ℃ for 20h/30h/60h, ammoniated layer depth of 0.25mm/0. 30mm/0. 35mm, part surface hardness of 1250HV; Nitriding treatment at 570 ℃ for 2h. The depth of nitriding layer is 10 ~ 20μm, and the surface hardness of parts is 950HV.

 

Feed No.

chemical composition

OSF

Density

C

Cr

Mo

V

Si

Mn

S

P

Fe

FDC- SKD11

1.4-1.6

11-13

0.8-1.2

0.2-0.5

≤ 0.40

≤ 0.60

≤0.03

≤0.03

Ball

1.167

≥ 7.50