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
|
V
|
Cu
|
保证值 | 0.06~0.12 | 0.75~1.05 | 0.45~0.70 | ≤0.025 | ≤0.025 | 0.45~0.65 | 1.10~1.40 | 0.20~0.35 | ≤0.35 |
例值 | 0.080 | 0.90 | 0.55 | 0.009 | 0.014 | 0.50 | 1.25 | 0.25 | 0.11 |
熔敷金属力学性能(730℃±15℃×(60min~75min)
试验项目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2 (J)
0℃ |
保证值 | ≥550 | ≥440 | ≥19 | ≥27 |
例值 | 642 | 548 | 25 | 105、99、108 |