TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
焊丝化学成分(%)
项目
|
C
|
Mn
|
Si
|
S
|
P
|
Mo
|
Cr
|
Cu
|
保证值 |
≤ 0.12 |
0.80~1.50 | 0.30~0.90 | ≤0.025 | ≤0.025 |
0.40 ~0.65 |
1.00~1.60 | ≤0.40 |
熔敷金属力学性能(Ar+20%O2气保护,热处理温度:620±15℃×(60~75min)
试验项目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
保证值 | ≥550 | ≥470 | ≥19 |
例值 | 648 | 537 | 21 |