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 | ≤0.035 | ≤0.040 |
例值 | 52 | 16 | 40 | 0.012 | 0.023 |
熔敷金屬力學性能(按GB/T5293)
項目配合焊絲
|
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2 (J)
|
|
|
|
|
|
|
|
|
JQ?MH50CG | 保證值 | 490~670 | ≥390 | ≥18 | (-40℃)≥47 | |
例值 | 531 | 421 | 27 | 183 197 165 | ||
JQ?MH60CG | 保證值 | 610~730 | ≥490 | ≥18 | (-20℃)≥27 | |
例值 | 631 | 501 | 27 | 123 117 145 |