TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
熔敷金屬化學成分(%)
試驗項目
|
C
|
S
|
Mn
|
Si
|
P
|
Cr
|
Ni
|
Mo
|
Cu
|
Nb
|
W
|
Fe
|
保證值 |
≤ 0.10 |
≤ 0.015 |
2.0- 4.0 |
≤1.0 |
≤ 0.020 |
12.0- 17.0 |
≥ 55.0 |
5.0- 9.0 |
≤ 0.50 |
0.5- 2.0 |
1.0- 2.0 |
≤ 10.0 |
例值 | 0.026 | 0.002 | 3.45 | 0.40 | 0.007 | 14.18 | 63.0 | 7.16 | 0.014 | 1.57 | 1.51 | 7.78 |
熔敷金屬力學性能
試驗項目
|
Rm
MPa |
ReL/Rp0.2
MPa |
A%
|
KV2(J)
-196℃ |
保證值 |
≥620 |
≥350 |
≥32 |
-- |
例值 | 724 | 456 | 43.5 | 103.0 |
參考電流(DC+/AC)
焊條直徑mm
|
Φ3.2
|
Φ4.0
|
焊接電流A |
70~100 |
90~130 |