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H08MnA |
HO8MnA |
EM12 |
配合HJ431用于碳钢和相应强度级别的低合金钢如16Mn等锅炉、压力容器的埋弧焊。
For submerged welding with HJ431 for boiler, pressure vessel which made by carbon steel and corresponding intension grade such as 16Mn |