1、GB/T13793-924.5标记举例用10钢制造的外径70mm,壁厚3.0mm的钢管a.精度为D2、S,长度为1450mm倍尺(BC)的软态焊管(HG):HG-R-10-70D23.01450BC-GB/T13793-92b.精度为D2、S2,长度为7000mm定尺(DC)的低硬焊管：HG-DY-10-70D23.0S:7000DC-GB/T13793-92c,精度为D、S,长度为通常长度的软态焊管：HG-R-10-703.0-GB/T13793-92GB/T13793一92表壁厚外轻0.50.60.81.01.21.41.51.61.820222.5283.0323.5钢管的理论50.05
2、50.0650.0830.09980.0920.1090.1420.1730.201100.1170.1390.1810.2220.260120.1420.1690.2210.2710.3200.3660.3880.41030.1830.2410.2960.3490.4000.4250.4500.1980.2600.3210.3790.4350.4620.4890.2130.2800.3450.4080.4700.4990.52960.2280.3000.3700.4380.5040.5360.568170.2430.3200.3950.4680.5390.5730.608180.2570.3
3、390.4190.4970.5730.6100.647.2720.3590.4440.5270.6080.6470.6870.2870.37904690.5560.6420.6840.7260.8080.888210.3990.493.5860.6770.7210.7650.852250.4180.5180.6160.7110.7580.8050.8971.0740.4770.5927048158690.9231.0301.134.537.6660.7930.9180.1.0421.163821.4000.5760.7158520.9871.12125283911.695,7640561.12
4、81.1991.3411.4.6172.814.9711251.202,2781.4291.5781.7251.94222.,888059,229313,397.56272688821272.3612.38.9121.08926.350,436.6077762258927462.9780.9621.148,3331.424.515.6961.87405123122.56921.091.30.51161.711.922-e6e805223.33.8450,689259232.51921824.01223.535273473.70342226063.592第199364.652.2-3.3.702.3.34.762.2.3.45.62.3.3.5.5.6833.335.5.6.855第081683460741607.3.7101.66.41027.1087.778.011488.114.3238.1218.739.3010.14
