material 용량 :us : ASTM A128A532/USnush : as2074 h1ah1bbritish : bs 3100/bs4844-german : GX 130 MNCRSouth Africa : SABS 407 유형 1/2japan : scmnh11china : GB&T 56802010supported 넓은 범위의 합금/austenitic 망간강 13 % mn,-18 % mn,22 % mn, mn13cr2, mn18cr2, mn22cr2 mn13crm...