cpvc工业管材,国标cpvc管材,华生管道科技有限公司,管路系统专家工厂-w66利来

  • 产品名称: cpvc工业管材
  • 产品编号: a0006

cpvc材料试验标准
standards of cpvc testing material

指标名称index name 单位unit 指标index 试验方法test method
密度 density kg/m3 1450-1650 gb/t 1033-1986方法a method a of gb/t 1033-1986
维卡软化温度(管材)vicat softening temperature(pipes) ≧110 gb/t 8802
维卡软化温度(管件)vicat softening temperature(fittings) ≧103 gb/t 8802
纵向回缩率 longitudinal reversion % ≦5 gb/t6671-2001方法b method b of gb/t6671-2001
氯含量(质量百分比)chlorine concerntration(mass percent) % ≧60 gb/t 7139
静液压试验hydrostatic test -- 无脱层,无破碎no leafing,no break iso 1167:1996
静液压状态下热稳定试验hydrostatic reheat test -- iso 1167
落锤冲击试验drop impact test -- tir≦10% gb/t 14152
烘箱试验oven test cal/g/℃ 无分层,无开裂no lamination,no crack gb/t 8803
弹性模量*  modulus of elasticity mpa ≧2660 astm d638
拉伸强度*  tensile strength mpa ≧56 astm d638
冲击强度* impact strength kj/m2 ≧16 astm d256
线膨胀系数* coefficient of linear expansion m/m℃ 3.4×10-5  
热传导率* thermal conductivity cal/g/℃ 0.14 astm c177
比热* specific heat cal/g/℃ 0.14  
体电阻* bulk resistance  ω/cm ≧1015  
介电强度* dielectric strength ac,kv/mm 13  
阻燃性* flame retardant -- 自熄self-extinguish ul-94

cpvc化工管材(国标)(din)cpvc pipes for industry

  gb/t 18998.2-2003
  单位:毫米unit:mm
公称外径dn nominal outside diameter dn 公称壁厚en nominal wall thickness en 
管系列s pipe series
s10 s6.3 s5 s4
标准尺寸比sdr standard size ratio sdr
sdr21 sdr13.6 sdr11 sdr9
20 2.0(0.96)* 2.0(1.5)* 2.0(1.9)* 2.3
25 2.0(1.2)* 2.0(1.9)* 2.3 2.8
32 2.0(1.6)* 2.4 2.9 3.6
40 2.0(1.9)* 3.0 3.7 4.5
50 2.4 3.7 4.6 5.6
63 3.0 4.7 5.8 7.1
75 3.6 5.6 6.8 8.4
90 4.3 6.7 8.2 10.1
110 5.3 8.1 10.0 12.3
125 6.0 9.2 11.4 14.0
140 6.7 10.3 12.7 15.7
160 7.7 11.8 14.6 17.9
180 8.6 13.3 -  
200 9.6 14.7 - -
225 10.8 16.6 - -
250 11.9 18.4 - -
280 13.4 20.6 - -
315 15.0 23.2 - -
355 16.9 26.1 - -
400 19.1 29.4 - -
注:考虑到刚度要求,带“*”号规格的管材壁厚增加到2.0mm,计算液压试验压力时使用括号中的壁厚。                           
note:considering the request of stiffness,the minimum wall thickness marked with “*”size added to 2.0mm.use the wall thickness in  parenthesis when calculating the hydrostatic test pressure.
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