TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
熔敷金屬化學(xué)成分(%)
試驗(yàn)項(xiàng)目
|
C
|
Mn
|
Si
|
S
|
P
|
Ni
|
Cr
|
Mo
|
V
|
保證值 | ≤0.20 | ≤1.20 | ≤1.00 |
≤ 0.035 |
≤0.040 | ≤0.70 | ≤0.20 | ≤0.30 | ≤ 0.08 |
例值 | 0.068 | 0.95 | 0.26 | 0.007 | 0.018 | 0.37 | 0.030 | 0.002 | 0.012 |
熔敷金屬力學(xué)性能
試驗(yàn)項(xiàng)目
|
R m
( MPa ) |
R e L
( MPa ) |
A
( % ) |
KV2(J)
|
|
|
|
|
-40℃
|
保證值 | ≥430 | ≥330 | ≥20 | ≥27 |
例值 | 530 | 450 | 29 | 187 |
參考電流(DC+)
焊條直徑(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A)q | 60~100 | 80~140 | 110~210 | 160~230 |