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
|
Cr
|
Mo
|
保证值 | ≤0.13 | 0.60~0.80 | ≤0.25 | ≤0.006 | ≤0.010 | 1.10~1.40 | 0.45~0.65 |
例值 | 0.080 | 0.81 | 0.09 | 0.005 | 0.008 | 1.35 | 0.55 |
熔敷金属力学性能(620℃x20h热处理)
试验项目配合焊剂
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2 (J)
-20℃ |
JQ•SJ614 | 515-690 | ≥310 | ≥22 | ≥54 |
焊丝规格
焊丝直径(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|