1、CJ/T 205-2000表1（完）标准尺寸比SDR系列13.61197.3公称外径de管材系列smm6.3543.15壁厚e理论质量壁厚e理论质量壁厚e理论质量壁厚e理论质量mmkg/mmmkg/mmmkg/mmmkg/m201.50.0912.00.1112.30.1312.80.153251.90.1422.30.1692.80.1973.50.238322.40.232.90.2683.60.3234.40.382403.00.3523.70.4254.50.5035.50.594503.70.5434.60.6595.60.7806.90.926634.70.8645.81.047.
2、11.248.71.46755.61.226.81.458.41.7410.32.07906.71.756.22.1010.12.5112.32.961108.12.5810.03.1112.33.2715.14.441259.23.3311.44.0314.04.8117.15.7114010.34.1712.75.0215.76.0519.27.1716011.85.4414.646.617.97.8721.99.3318013.36.916.3209.9024.711.8420014.78.7418.110.2222.412.3127.414.6022516.610.7520.412.9
3、42515.4530.918.5025018.413.2422715.9827.919.1534.322.833.2管标标记3.2.1管材标记表示方法G/PE-XCJ/T XXXX-XXXX标准编号管材壁厚，mm管材公称外径，mm建筑给水交联聚乙烯管材代号3.2.2示例公称外径为32mm,壁厚为2.9mm的交联聚乙烯(PE-X)管材：G/PE-X322.9 CJ/T 205-20004要求4.1管材应符合本标准规定，并应按规定程序批准的图样和技术文件制造。4.2颜色通用型管材一般为白色，其他颜色可根据使用功能，由供需双方商定。2CJ/T 205-20004.3外观4.3.1管材内外壁应光滑，不
4、允许有气泡、裂口和明显划痕、凹陷、色差及分解变色。4.3.2管材两端应切割平整，并与管材轴线垂直。4.4尺寸极限偏差及形位公差4.4.1管材平均外径极限偏差见表2。4.4.2管材壁厚尺寸极限偏差见表3。表2管材平均外径极限偏差mm公称外径de平均外径极限偏差公称外径de平均外径极限偏差1032+0.30125+1.2040+0.4140+1.30050+0.50160+1.5063+0.5180+1.7075+0.70200+1.8090+0.9225+2.1110+1.0+2.302500表3管材壁厚极限偏差mm公称壁厚e壁厚极限偏差公称壁壁厚极限偏差2+0.4+2.101819023+0.51920+2.20034+0.62021+2.30045+0.702122+2.4056+0.82223+2.50067+0.9+2.602324078+1.02425+2.70089+1.12526+2.800910+1.2+2.90262701011+1.302728+3.001112+1.42829+3.1001213+1.502930+3.201314+1.63031+3.3001415+1.703132+3.401516+1.803233+3.501617+1.93334+3.6001718+2.03435+3.703
