60-90kg級低焊接裂紋敏感性高強度鋼板
60-90 kg/cm2 Low Welding Crack Susceptibility High Strength Steel Plates
本產(chǎn)品系屈服強度460、500、550、620、690、800MPa的低焊接裂紋敏感性鋼，具有省略焊前預熱、焊后無需熱處理的優(yōu)良的焊接性能，可用于各種煤礦機械、工程機械、港口機械、建筑機械及其它要求良好焊接性的結構部件等。
These serie products are the low welding crack susceptibility high strength steel plates with the yield strength more than 460、500、550、620、690、800MPa. The products have good weldability to meet the welding requirements,without taking preheating and post heating.They are suitable to be used in coal mining machinery ,engineering mechanical equipment,port machinery,construction machinery equipment and other conditions of good weldability.
Q460CFC/D/E
Q500CFC/D/E
Q550CFC/D/E
Q620CFC/D/E 標準：YB/T4137-2005《《低焊接裂紋敏感性高強度鋼板》
standard:YB/T4137-2005《Low Welding Crack Susceptibility High Strength Steel Plates》
Q690CFC/D/E
Q800CFC/D/E
JG670CF JG785CF 協(xié)議：JGX698-2011《JG670CF、JG785CF低焊接裂紋敏感性高強度鋼板技術協(xié)議》
protocol: JGX698-2011 《Technical Protocol for JG670CF、JG785CF Low Welding Crack Susceptibility High Strength Steel Plates》 |
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