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
|
Cr
|
Mo
|
As
|
Sn
|
Sb
|
X系數(shù)
|
保證值 | 0.05~0.12 | ≤0.90 | ≤0.80 | ≤0.010 | ≤0.010 |
1.00~ 1.50 |
0.40~ 0.65 |
≤0.010 | ≤0.010 | ≤0.005 |
≤15 ppm |
例值 | 0.07 | 0.75 | 0.25 | 0.005 | 0.006 | 1.35 | 0.50 | 0.0022 | 0.0032 | 0.0007 | 7.6 |
熔敷金屬力學(xué)性能
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A(%)
|
KV2(J)
-20℃ |
熱處理
|
保證值 | 515~690 | ≥310 | ≥22 | ≥54 | —— |
例值 | 560 | 472 | 29 | 180 | 690℃×20h |
580 | 490 | 27 | 175 | 690℃×6h |
參考電流(DC+)
焊條直徑(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 60~90 | 90~120 | 130~180 | 160~210 |