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
|
Cr
|
Mo
|
Cu
|
保证值 | ≤0.12 |
0.70 ~1.50 |
≤ 0.80 |
≤ 0.030 |
≤ 0.030 |
0.90 ~1.70 |
≤0.15 | ≤0.55 | 0.30~0.60 |
例值 | 0.070 | 1.10 | 0.40 | 0.015 | 0.015 | 1.30 | 0.07 | 0.22 | 0.45 |
熔敷金属力学性能(620℃x4h热处理)
试验项目配合焊剂
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2 (J)
0℃ |
JQ·SJ121T | 620~760 | ≥540 | ≥17 | ≥40 |
焊丝规格
焊丝直径(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|