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牌號(hào)

Trade Name

C

Cr

Mn

Si

Mo

W

V

S

P

Ni

HRC

（國(guó)家標(biāo)準(zhǔn)臺(tái)式硬度計(jì)）

特點(diǎn)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(kāi)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(kāi)坯輥堆焊

Applied to repair hot-rolling blooming roller

ND414N

0.05-0.11

12.0-15.0

0.5-1.5

0.4-0.7

0.75-1.25

0.07-0.15

40-45

用于連鑄輥堆焊

Applied to repair continuous caster roller

ND414N-O

0.05-0.15

,11.5-14.5

0.5-2.5

0.3-1.5

0.5-1.5

2.0-4.0

40-50

用于連鑄輥堆焊

Applied to repair continuous caster roller