TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
焊劑參考成分(%)
項(xiàng)目
|
SiO2+TiO2
|
CaO+MgO
|
Al2O3+MnO
|
CaF2
|
S
|
P
|
參考值 | 5~10 | 6~10 | 30~40 | 40~50 | ≤0.050 | ≤0.060 |
熔敷金屬力學(xué)性能(按GB/T17854)
項(xiàng)目配合焊絲
|
|
Rm
(MPa) |
A
(%) |
|
JQ?MH308 | 保證值 | ≥520 | ≥30 |