金威廠家直銷Z308 Z408 Z508鑄鐵焊條

牌號

型號

AWS

熔敷金屬化學成分(wt.%)

C

Mn

Si

S

P

Ni

Fe

其它

Z208

EZC

—

2.00-4.00

≤0.75

2.5-6.5

≤0.100

≤0.15

—

余量

—

Z308

EZNi-1

ENi-CI

≤2.0

≤1.0

≤2.50

≤0.030

—

≥90

≤8.0

≤1.0

Z408

EZNiFe-1

ENiFe-CI

≤2.0

≤2.50

≤4.0

≤0.030

—

45-60

余量

≤1.0

Z508

EZNiCu-1

ENiCu-B

0.35-0.55

≤2.30

≤0.75

≤0.025

—

60-70

3.0-6.0

Cu: 25-35