TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
焊劑化學成分(%)
項目
|
MgO+CaO+MnO+CaF2
|
SiO2
|
CaF2
|
S
|
P
|
保證值 | ≥50 | ≤20 | ≥15 | ≤0.050 | ≤0.060 |
例值 | 60 | 18 | 25 | 0.020 | 0.045 |
熔敷金屬力學性能(按GB/T 5293)
項目配合焊絲
|
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2 (J)
|
|
||
|
|
|
|
|
-20℃
|
-40℃
|
||
JQ?H08MnA | 保證值 | 430~600 | ≥330 | ≥20 | ≥27 | -- | ||
例值 | 500 | 385 | 35.5 | 128 | -- | |||
JQ?H10Mn2 | 保證值 | 490~670 | ≥390 | ≥18 | -- | ≥27 | ||
例值 | 535 | 425 | 32 | -- | 132 | |||
JQ?H08MnMoA | 保證值 | 550~740 | ≥460 | ≥17 | ≥27 | -- | ||
例值 | 575 | 495 | 22 | 129 | -- | |||
JQ?H08Mn2MoA | 保證值 | 620~820 | ≥500 | ≥15 | -- | ≥27 | ||
例值 | 658 | 548 | 18.5 | -- | 60 |