牌號

Trade Name

C

Cr

Mn

Si

Mo

W

V

Ni

HRC

（標準臺式硬度計）

特點及主要用途

Characteristics and Application

ND430

0.1-0.25

16.0-18.0

35-40

用于軋輥堆焊

Applied to repair roller

ND320H

0.1-0.30

10.0-12.5

1.0-2.0

0.3-0.8

45-55

用于軋輥堆焊

Applied to repair roller

ND224

0.25-0.35

5.5-7.5

1.0-2.0

0.5-1.0

0.8-1.5

1.0-2.0

0.5-1.0

0.01

0.018

45-55

用于熱軋開坯輥堆焊

Applied to repair hot-rolling blooming roller

ND224B

0.25-0.55

4.5-6.0

1.0-1.9

0.5-1.5

0.4-1.4

0.8-2.1

0.7-1.3

0.01

0.015

53-60

用于熱軋開坯輥堆焊

Applied to repair hot-rolling blooming roller