TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
焊絲化學成分(%)
項目
|
C
|
Mn
|
Si
|
S
|
P
|
Ni
|
Cr
|
Mo
|
Cu
|
保證值 | ≤0.12 | ≤1.60 | ≤0.80 | ≤0.015 | ≤0.025 |
2.80~ 3.80 |
≤0.15 | ≤0.35 | ≤0.35 |
例值 | 0.058 | 0.67 | 0.16 | 0.004 | 0.006 | 3.32 | 0.10 | 0.069 | 0.10 |
熔敷金屬力學性能(620℃x1h熱處理)
試驗項目配合焊劑
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2 (J)
-70℃ |
JQ·SJ208DR | 480~660 | ≥400 | ≥22 | ≥54 |
焊絲規(guī)格
焊絲直徑(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|