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
|
Ni
|
Mo
|
Cr
|
Cu
|
保证值 | 0.07~0.12 | 0.40~0.70 | 0.40~0.70 | ≤0.025 | ≤0.025 | ≤0.20 |
0.40 ~0.65 |
1.20~1.50 | ≤0.35 |
熔敷金属力学性能(Ar+2%O2,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 | 603 | 512 | 23 |