钢管常用规格表.pdf

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1、.常用钢管规格表管径应以mm为单位，管径的表达方式应符合下列规定：1水煤气输送钢管（镀锌或非镀锌）、铸铁管等管材，管径宜以公称直径DN表示；2无缝钢管、焊接钢管（直缝或螺旋缝）、铜管、不锈钢管等管材，管径宜以D×δ(外径×壁厚)表示；3钢筋混凝土（或混凝土）管、陶土管、耐酸陶瓷管、缸瓦管等管材，管径宜以内径d表示；4塑料管材，管径宜按产品标准的方法表示：当设计均用公称直径DN表示管径时，应有公称直径DN与相应产品规格对照表。建筑排水用硬聚氯乙烯管材规格用de（公称外径）×e（公称壁厚）表示（GB5836.1-92）给水用聚

2、丙烯（PP）管材规格用de×e表示（公称外径×壁厚）公英制单位换算1英寸=25.4毫米=8英分2′DN501/2是四分(4英分)DN152.5′DN653/4是六分(6英分)DN203′DN802分管DN84′DN1004分管DN155′DN1256分管DN206′DN1501′DN258′DN2001.2′DN3210′DN2501.5′DN4012′DN300钢管每米理论重量计算公式：W=3.1416*ρδ（D—δ）/1000W——钢管每米理论重量kg/m；ρ——钢的密度kg/dm-3；7.81、7.85、7.91D—

3、—钢管的公称外径mm；δ——钢管的公称壁厚mm；..常用规格壁厚（mm）外径2.53.03.54.04.55.06.07.08.09.010.012.0mm理论重量（公斤／米）120.5860.6660.7340.789--------140.7090.810.910.99--------180.9561.111.251.381.501.60------201.081.261.421.581.721.852.07-----251.391.631.862.072.282.472.813.11----321.762.152.4

4、62.763.053.333.854.324.47---382.192.592.983.353.724.074.745.355.95---422.442.893.353.754.16.4.565.336.046.717.32--452.623.113.584.044.494.935.776.567.307.99--573.364.004.625.235.836.417.558.639.6710.65--603.554.224.885.526.166.787.999.1510.2611.32--734.355.186.006

5、.817.608.389.9111.3912.8214.21--764.535.406.267.107.938.7510.3611.9113.1214.37--895.336.367.388.389.3810.3612.2814.1615.9817.76--1026.137.328.509.6710.8211.9614.2116.4018.5520.64--1086.507.779.0210.2611.4912.7015.0917.4419.7321.97--11410.4812.1513.4415.9818.4720.9

6、123.3125.5630.1913312.7314.2615.7818.7921.7524.6627.5230.3335.8114013.4215.0716.6519.8322.9626.0429.0832.0637.8815917.1518.9922.6426.2429.7933.2936.7543.50..16820.1023.9727.7931.5735.2938.9746.1721931.5236.6041.6346.6151.5461.2624541.0946.7652.3857.9568.9527345.92

7、52.2858.6064.8677.2432562.5470.1477.6892.6337781.6890.51108.0242692.55102.59122.52480104.54115.90139.49530115.62128.23154.29..用途产品类别主要材质执行标准用途规格范围12Cr1MoVDIN17175-79石油、化工、电力、∮16-824×2-100P22(10CrMo910)JISG3467-88锅炉行业的耐高T91、P91、P9、T9、JISG3458-88温、WB36、Cr5Mo(P5、GB53

8、10-95耐低温、耐腐蚀用合金管STFA25、T5、)、GB9948-88无缝钢管15CrMo(P11、P12、ASTMA335/A33STFA22)5m13CrMo44ASTMA213/A213m20G、A106cGB5310-95高压锅炉用耐热无∮16-824×2-65高压锅炉ST45.8/3AST