钢级钢号对照
表
关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf
(质检部)钢级规定总伸长应力σt0.5(min)Mpa抗拉强度бb伸长率AMin%钢号屈服强度σsMpa抗拉强度бb规定总伸长应力σt0.5(min)MpaAPISpec-5L管线钢钢号minmaxminmaxMpaMpaL17517531582527Q195195315413A25L21021033525Q215215335450AQ235235375500L24524541521Q255255410550BQ275275490650L29029041521Q295295X4209MnV09MnNb09Mn212MnL32032043520Q345345X4614MnNb16Mn34549062016MnR34549062016Mng345490635L36036046082519Q390390X5216Mn34549062016MnR34549062016Mng345490635L39039049018Q420420520670X56L41541552017Q420420520670X6014MnVTR15MnVNL45045052017Q460460550710X65L48548557016Q500500610770X70Q620620720890L55555562515Q690690770940X80海城辽河大型钢管有限公司