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
|
Cu
|
保證值 | ≤0.10 | 1.0-1.70 | ≤0.60 | ≤0.015 | ≤0.020 | ≥0.50 | ≤0.50 | ≤0.50 | ≤0.05 | ≤0.30 |
熔敷金屬力學(xué)性能(焊態(tài))
試驗(yàn)項(xiàng)目
|
Rm(MPa)
|
ReL/Rp0.2(MPa)
|
A(%)
|
KV2(J) -30℃
|
保證值 | ≥620 | ≥530 | ≥16 | ≥47 |
例值 | 670 | 570 | 24 | 140 |
參考電流(DC+)
焊條直(mm)
|
?2.5
|
?3.2
|
?4.0
|
?5.0
|
焊接電流(A) | 60~90 | 90~130 | 140~180 | 170~210 |