TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
熔敷金屬化學(xué)成分(%)
試驗(yàn)項(xiàng)目
|
C
|
Mn
|
Si
|
S
|
P
|
Ni
|
Mo
|
標(biāo)準(zhǔn)值 | ≤0.10 | ≥1.00 | ≤0.80 | ≤0.020 | ≤0.025 | 2.00~2.80 | 0.20~0.50 |
例值 | 0.075 | 1.72 | 0.60 | 0.006 | 0.012 | 2.28 | 0.40 |
熔敷金屬力學(xué)性能(焊態(tài))
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
Rel/Rp0.2
(MPa) |
A
(%) |
KV2(J)
|
|
|
|
|
-40℃
|
標(biāo)準(zhǔn)值 | ≥780 | ≥690 | ≥15 | ≥34 |
例值 | 830 | 735 | 19 | 85 |
參考電流(DC+)
焊條直徑(mm)
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 80~120 | 130~180 | 170~240 |