(法兰 9119 2010)

材料标准UNS美标N08811,N08810WNrEN欧标14958,149591Cr20Ni32AlTi中,NS112,NCF800H日NAS800HASTMB409,B408,B407ASMESB409,SB408,SB407CodeCase1325;可以焊接H...