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
|
Ti
|
Cu
|
保证值 | ≤0.11 | 1.60~1.90 | 0.40~0.80 | ≤0.025 | ≤0.025 |
2.00 ~2.50 |
0.50 ~0.80 |
0.20~0.60 |
≤ 0.12 |
≤0.50 |
熔敷金属力学性能(Ar+20%CO2气保护)
试验项目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2 (J)
|
|
|
|
|
|
|
-20℃
|
-40℃
|
|
保证值 |
940~1180 |
≥890 |
≥15 |
≥47 | ≥47 | |
例值 |
965 |
910 |
17 |
88、95、86 | 67、61、71 |