管件管道質(zhì)量標(biāo)準(zhǔn)
- 國(guó)家標(biāo)準(zhǔn):
-
GB/T 3624
GB12459, HG/T 3651, SH 3408,GB/T 27684
HG 20592-20635
- 美標(biāo)標(biāo)準(zhǔn):
-
ASTM B363
ASTM B366
ASTM B653
ANSI/ASME B16.9
ANSI B16.5
GB/T 3624
GB12459, HG/T 3651, SH 3408,GB/T 27684
HG 20592-20635
ASTM B363
ASTM B366
ASTM B653
ANSI/ASME B16.9
ANSI B16.5