厂家直供 QT500-7 QT600-3球墨铸铁 定制活塞阀体 砂型铸造

S/N

Standard / Material Grade

Chemical Composition (%)

GB

ISO 1083

JIS G5502

ASTM A536-84

DIN1693

AS 1831

C

Si

Mn

P

S

Mg

Re

1

QT400-18

400-15,18

FCD 400

60-40-18

GGG-40

400-12

3.6~3.8

2.3~2.7

≤0.5

≤0.03

≤0.05

0.03~0.05

0.02

~0.03

2

QT500-7

500-7

FCD 500

80-55-06

GGG-50

500-7

3.4~3.9

2.0~2.9

≤0.6

≤0.03

≤0.05

0.03~0.10

0.03

~0.10

3

QT600-3

600-3

FCD 600

80-60-03

GGG-60

600-3

3.4~3.8

2.0~2.8

0.3~0.7

≤0.03

≤0.05

0.035~0.05

0.025

~0.045

4

QT700-2

700-2

FCD 700

100-70-03

GGG-70

700-2

3.5~4.0

2.0~2.6

0.5~0.9

≤0.03

≤0.05

0.035~0.065