TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
焊劑參考成分(%)
項目
|
SiO2+TiO2
|
CaO+MgO
|
Al2O3+MnO
|
CaF2
|
S
|
P
|
參考值 | 6~11 | 5~9 | 35~45 | 35~45 | ≤0.035 | ≤0.040 |
熔敷金屬力學性能(按GB/T17854)
項目配合焊絲
|
|
Rm
(MPa) |
A
(%) |
|
JQ?MH308LT | 保證值 | ≥480 | ≥30 |