說明:
用途:
熔敷金屬化學(xué)成分(%)
試驗(yàn)項(xiàng)目
|
C
|
Mn
|
Si
|
S
|
P
|
Cr
|
Ni
|
Mo
|
Cu
|
保證值 | ≤0.15 | 0.50~ 2.50 | ≤1.00 | ≤0.030 | ≤0.040 | 22.0~25.0 | 12.0~14.0 | ≤0.75 | ≤0.75 |
例值 | 0.057 | 1.30 | 0.22 | 0.007 | 0.022 | 23.43 | 12.82 | 0.12 | 0.12 |
熔敷金屬力學(xué)性能
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
A
(%) |
保證值 | ≥550 | ≥25 |
例值 | 600 | 38 |
參考電流(DC+)
焊條直徑(mm)
|
Φ2.0
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 40~80 | 50~100 | 70~120 | 90~160 | 140~200 |
注意事項(xiàng):
2. 操作時(shí)電流不宜過大。
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