螺旋钢管主要技术指标

《螺旋钢管主要技术指标》由会员分享，可在线阅读，更多相关《螺旋钢管主要技术指标（2页珍藏版）》请在金锄头文库上搜索。

1、螺旋钢管主要技术指标 螺旋钢管采用GB700碳素结构钢中的Q195、Q215、Q235 螺旋缝高频焊钢管（单位米重）理论计算表螺旋缝埋弧焊钢管（单位米重）理论计算表 我公司产品图片 螺旋钢管主要质量指标 项目输送钢管GB/T9711-1977SY/T5037-92SY/T5038-92管端外径偏差D 508 0.75%DD508 1.00%DD 508 0.75%DD508 1.00%D1.25%D壁厚偏差 D 508 15.0%t 12.5%tD508 17.5%t 10.5%t D 508 12.5%tDC508 10.0%t12.5%t焊缝余高 3.18mm0.5-3.0mm内 2.0m

2、m外 2.5mm直度0.2%L0.2%L0.25%L管端状态坡口角30。-35。钝边1.590.79mm切斜 1.59mm坡口角30。-35。钝边1.60.8mm切斜 1.5mmD 813 切斜 1.5mmD813 切斜 3.0mm 坡口角30。-35。钝边0-3mm切斜 1.5mm重量偏差单根+10.0%-3.5%装车批量-1.75%单根+10.0%-3.5%装车批量-1.75%单根+10.0%-3.5%装车批量-1.75%无损探伤距管端203mm以内的焊缝采用射线检验;距管端203mm以外的焊缝采用超声波检验;对头焊缝、补焊及环向焊缝采用超声波检验。对头焊缝、补焊及环向焊缝采用超声波检验。

3、对头焊缝、补焊及环向焊缝采用超声波检验。水压试验P=2t/DP=2t/DP=2t/D备注D:钢管公称外径,mm t:钢管公称壁厚,mm 静水压试验的试验应力,MPa;L:单根钢管长度P:静水压试验压力,Pa螺旋钢管采用GB700碳素结构钢中的Q195、Q215、Q235 Go Top产品标准牌号等级化学成分机械性能CMnSiSPsMPasMPasMPaSY/T5038SY/T5037SY/T9711Q1950.06-0.120.25-0.500.300.0500.045195315-39033Q215A0.09-0.150.25-0.500.300.0500.045215335-41031B0

4、.045Q235A0.14-0.220.30-0.650.300.0500.045235375-46026B0.12-0.200.30-0.700.045螺旋缝高频焊钢管(单位米重)理论计算表 Go Top678910111213219 31.5236.6041.6346.6151.5454.4361.2666.0427339.5145.9252.2858.6064.8671.0777.2483.3632547.2054.9062.5470.1477.6885.1892.63100.0337754.9063.8772.8081.6890.5199.29108.02116.7042662.157

5、2.3382.4792.55102.59112.58122.52132.4147869.8481.3192.73104.10115.42126.69137.01149.0852977.3990.11102.79115.79127.99140.52153.00165.43螺旋缝埋弧焊钢管(单位米重)理论计算表 Go Top 678910111213219 32.0237.1042.1347.1152.0456.9361.7666.5427340.0146.4252.7859.1064.3671.5777.7483.8632547.7055.4063.0470.6478.1885.6893.131

6、00.5337755.4064.3773.3082.1891.0199.79108.52117.2042662.6572.8382.9793.05103.09113.08123.02132.9147870.3481.8193.23104.60115.92127.19138.41149.5852977.8990.61103.29115.92128.49141.02153.50165.9363092.83108.05123.22138.33153.40168.42183.39198.31720106.15123.59140.97158.31175.60192.84210.02227.16820120.95140.85160.70180.50200.26219.96239.21259.22920135.74158.11180.43202.70224.92247.09269.21291.281020150.54175.37200.16224.89249.58274.22298.81323.34