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Product

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4140

MIM4140 is a kind of alloy structural steel with high strength, high hardenability, good toughness and small deformation during quenching.

 

Feed No.

chemical composition

OSF

Density

C

Cr

Mo

Si

Mn

Fe

FDC42CrMo4

0.38-0.42

0.80-1.10

0.15-0.25

0.15-0.35

0.75-1.00

Ball

1.185

≥ 7.45

FDC4140MA

0.38-0.42

0.80-1.10

0.15-0.25

0.15-0.35

0.75-1.00

Ball

1.216

≥ 7.50