SA-213T91与SA-335P91的区别是什么?
(2014-08-05 08:52:15)
标签:
sa-210c锅炉管sa-213t23合金钢管sa-213t91sa-335p91 |
与P91钢对应的德国钢号为X10CrMoVNNb91,日本钢号为HCM95,法国则为TUZ10CDVNb0901......《详细》