冷锯锯片裂纹原因研究与分析

():H:HAbstract:ThispaperanalysesthereasonsofcrackonthecoldsawbladefromLaigangHeavyH2Beampro2ductionline.KeyWords:HeavyH2Beam,coldsawblade,crack1H100,H,H400mm,1000mm,,70H10,,210mm160mm110mm60mm30mm20mm,11221145Mn2V,1145Mn2VC/%Mn/%Si/%S/%P/%V/%10146116301160101201025(0110)20142116001160101401025(0110)HRC25,28,27:2122121145Mn2V(2)VMn,(),,,,2500043(123),,,,,[1](34)3100450021212820850,212130150mm/s,,H400400H800300H900300,,,,,3,,,,,,;;4411,,;412;413,,1,1()()1:,2001:1420066