德国国内外泵常用材料牌号对照英国法国日本中国国际标美国材DIN准BSIAFNORJISGB序料170ISOAISUNSASTM号类0717006I型材标准牌牌标牌号牌号牌号牌号料牌号准牌号号号号号10.60GG18185GrA4Cl251452Gr1Ft20FC15HT15018200880A4Cl301452Gr2Ft25FC20HT20020.60GG20185Gr82020250A4Cl301452Gr2Ft30FC20HT200185Gr82030.60GG22300A4Cl1452Gr2FGSFC25HT25022835,4560400-12.060A4Cl451452Gr3FC30HT300800FGS4铸25GG252789Gr3400-12FCD4QT...