国 标(GB/T 3091-2001)公 称直 径15A20A25A32A40A50A65A80A100A125A150A200A250A300A350A400A450A500A600A700A800A900A外径(mm)21.3026.9033.7042.4048.3060.3076.1088.90114.30139.70168.30219.10273.10325.00377.00426.00478.00529.00630.00720.00820.00920.00壁厚(mm)国标管加厚管2.802.803.203.503.804.004.004.004.004.004.505.003.503.504.004.004.504.504.505.005.005.506.00外径(mm)21.3026.7033.4042.2048.3060.3073.0088.90114.30141.30168.30219.10273.10323.90355.60406.40457.20508.00美 标(ASTM A53)ANSI壁厚(mm)STD2.772.873.383.563.683.915.165.496.026.607.108.209.309.509.509.509.509.50SCH402.802.903.403.603.703.905.205.506.006.607.108.209.3010.3011.1012.7014.3015.10SCH803.403.904.504.905.105.507.007.608.609.5011.0012.7015.1017.4019.1021.4023.8026.20外径(mm)21.4026.9033.8042.5048.4060.3076.0088.80114.10139.60165.10216.30267.40318.50355.60406.40英 标(BS)壁厚(mm)A级1.902.102.452.452.602.603.003.003.253.253.603.60B级2.602.803.203.604.104.104.504.504.504.504.505.705.506.006.006.00M级2.302.602.803.203.603.604.004.004.004.004.00外径(mm)21.7027.2034.0042.7048.6060.5076.3089.10114.30139.80165.20216.30267.40318.50355.60406.40457.20508.00日 标(JIS)壁厚(mm)SGP(一般配管用)SCH402.802.903.403.603.703.905.205.506.006.607.108.209.3010.3011.1012.7014.3015.10SCH803.403.904.504.905.105.507.007.608.609.5011.0012.7015.1017.4019.1021.4023.8026.202.802.803.203.503.503.804.204.204.504.505.005.806.606.907.907.907.907.901000A1020.00
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