カスタマイズされたサイズの掘削機ヒンジ炭素鋼ピンシャフト

Steel grade

Chemical composition/%

C

Si

Mn

Cr

Mo

V

Ni

Cu

S

P

9Cr2

0.80-0.95

≤0.40

≤0.40

1.30-1.70

—

—

—

—

≤0.030

8Cr2MoV

0.80-0.90

0.15-0.40

0.30-0.50

1.80-2.40

0.20-0.40

0.05-0.15

≤0.25

≤0.025

9Cr2Mo

0.85-0.95

0.25-0.45

0.20-0.35

1.70-2.10

0.20-0.40

—

9Cr2MaV

0.20-0.30

0.10-0.20

9Cr3Mo

2.50-3.50

0.20-0.40

—

8Cr3MoV

0.78-1.10

0.40-1.10

0.20-0.50

2.80-3.20

0.20-0.60

0.05-0.15

≤0.80

≤0.25

≤0.025

8Cr5MoV

0.78-0.90

0.40-1.10

0.20-0.50

4.80-5.50

0.20-0.60

0.10-0.20

≤0.020

No.

surface hardness(HSD)

Recommended use

1

≥95

Work rolls for skin pass and finish mills

2

90-98

Work rolls for metal plates and strips 

3

75-90

Work rolls for preliminary [rough] rolling of metal plates and strips

Cold rolling intermediate rolls for metal plates and strips