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เหล็กท่อดำ

Category
Nominal DimensionOutside DiameterThicknessWeight      Sectional          Area cm²
(mm)(in)d(mm)t(mm)kg/mkg/6m
151/2″21.72.00.975.831.24
203/4″27.22.01.247.441.58
2.31.418.461.80
251″342.31.8010.802.29
321-1/4″42.72.32.2913.742.92
2.52.4814.883.16
401-1/2″48.62.32.6315.783.34
2.52.8417.043.62
2.83.1618.964.03
3.23.5821.484.56
502″60.52.33.3019.804.20
3.24.5227.125.76
4.05.5733.427.10
652-1/2″76.32.85.0830.486.46
3.25.7734.627.35
4.07.1942.789.08
803″89.12.85.9635.767.59
3.26.7840.688.64
903-1/2″101.63.27.7646.569.89
4.09.6357.7812.26
5.011.9071.415.17
1004″114.33.28.7752.6211.17
3.59.5857.4812.18
4.512.2073.215.52
1255″139.83.612.1072.615.40
4.013.4080.4017.07
4.515.0290.1219.13
6.019.80118.8025.22
1506″165.24.517.80106.8022.72
5.019.80118.8025.16
6.023.60141.6030.01
7.127.70166.2035.26
Mourning Ribbon