TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
焊絲化學(xué)成分(%)
試驗(yàn)項(xiàng)目
|
C
|
Mn
|
Si
|
S
|
P
|
Ni
|
Cu
|
保證值 | ≤0.12 | ≤1.25 | 0.40~0.80 | ≤0.025 | ≤0.025 | 3.00-3.75 | ≤0.35 |
熔敷金屬力學(xué)性能(Ar+2%O2,熱處理溫度620±15℃×(60~75min)
試驗(yàn)項(xiàng)目
|
Rm(MPa)
|
ReL/Rp0.2
(MPa) |
A(%)
|
KV2(J)
-75℃ |
保證值 | ≥550 | ≥550 | ≥24 | ≥27 |
例值 | 568 | 485 | 28 | 160 162 170 |