TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
焊劑化學(xué)成分(%)
項(xiàng)目
|
SiO2+TiO2
|
CaO+MgO
|
Al2O3+MnO
|
CaF2
|
S
|
P
|
保證值 | - | - | - | - | ≤0.050 | ≤0.060 |
例值 | 18.8 | 32.5 | 25.1 | 23.4 | 0.026 | 0.021 |
熔敷金屬力學(xué)性能(按GB/T5293)
項(xiàng)目配合焊絲
|
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A (%) |
KV2 (J)
-20℃ |
|
JQ?H08MnA | 保證值 | 430~600 | ≥330 | ≥20 | ≥34 | |
例值 | 510 | 395 | 33 | 126 | ||
JQ?H10Mn2 | 保證值 | 490~670 | ≥390 | ≥18 | ≥34 | |
例值 | 560 | 430 | 32 | 118 |