1、品质管理制度表格螺旋焊管主要质量指标对照表螺旋焊管主要质量指标对照表标准代号内容项目SY/T5037-2000GB/T9711.1-1997（A级）APISpec5L(42)适用范围燃气、水、煤气、空气、采暖、蒸气等普通流体输送管道用钢管石油天然气工业输送用钢管石油天然气工业输送用钢管钢种Q195、Q215、Q235L175L483A、B、X42X70尺寸管体外径D5080.75%DD5081.00%DD5080.75%DD5081.00%DD5080.75%D508D914-0.25%D+0.75%DD914-3.20+6.35管端外径D5080.75%D2.5取小值D5081.00%D4.
2、5取小值D273.1-0.40+1.59D323.9-0.79+2.38D273.1-0.40+1.59D273.1-0.79+2.38偏差壁厚D50812.5%t-12.5%t+15.0%t-12.5%t+15.0%tD50810.0%tL175L245-10.0%t+17.5%t不高于B级-12.5%t+17.5%tL290L555-8.0%t+19.5%t不低于X42-8.0%t+19.5%t椭圆度管端100范围内1%DD508的钢管在距管端101.6范围内最大外径不得比公称外径大1%;最小外径不得比公称外径小1%D508的钢管在距管端101.6范围内最大外径不得比公称外径大1%;最小外
3、径不得比公称外径小1%弯曲度（直度）不得超过钢管总长的0.2%不得超过钢管总长的0.2%不得超过钢管总长的0.2%管端坡口坡口角30-35钝边1.60.8坡口角30-35钝边1.590.79坡口角30-35钝边1.590.79切斜D813,1.6D813,3.01.591.59错边t12.70.35t且不得大于3.01.591.59t12.70.25t0.1251与3.18的取最小值0.1251与3.18的取最小值焊缝余高t133.2t134.8t12.73.18t12.74.76t12.73.18t12.74.76化学分析每熔炼批取1个试样每熔炼批取2个试样每熔炼批取2个试样拉伸试样每检验批
4、取一个焊接接头试样母材:每熔炼批取1个试样螺旋焊缝:每熔炼批取1个试样对头焊缝:不多于50根取一个试样母材:每熔炼批取1个试样螺旋焊缝:每熔炼批取1个试样对头焊缝:不多于50根取一个试样导向弯曲试验不做每检验批取一个正弯试样和一个反弯试样,对头焊缝不多于50根取一个正弯试样和一个反弯试样每检验批取一个正弯试样和一个反弯试样,对头焊缝不多于50根取一个正弯试样和一个反弯试样断裂韧性试验不做合同要求时,夏比冲击每熔炼批取3个;D508时,落锤冲击每熔炼批取2个合同要求时,夏比冲击每熔炼批取3个;D508时,落锤冲击每熔炼批取2个无损检验补焊焊缝,对头焊缝,环向焊缝应进行X射线或超声波检验;螺旋焊缝
5、抽查20%的钢管,用于可燃气体输送管的螺旋焊缝应100%的检验100X检验或100%超声波检测,加对头焊缝、丁字焊缝和管端203mmX射线检验100X检验或100%超声波检测,加对头焊缝、丁字焊缝和管端203mmX射线检验D:钢管公称外径,mmt: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钢管规格重量钢管静水压值钢管性能成份螺旋钢管规格钢管尺寸钢管型号钢管的规格一般以钢管的外径D、内径和壁厚S的毫米（mm）数标定。钢管尺寸分不定尺和定尺：不定尺（通常长度）凡产品尺寸（长度或宽度），在标准规定范围内，而又不要求固定尺寸的叫不定尺。定尺按订货要求切成固
6、定尺寸的称为定尺。按定尺长度交货时，所交金属材料必须具有需方在订货合同中指定的长度。因此规定了允许有偏差。钢管理论重量567891011121314151618D21926.8832.0237.1042.13D24530.0935.8641.5947.26D27333.5540.0146.4252.7859.1065.36D32539.9647.7055.4063.0470.6478.18D37746.3755.4063.8773.3082.1891.01D42652.4162.6572.3382.9793.05102.59113.08123.02D47858.8270.3481.8193.2
7、3104.60115.92127.19138.41D52965.1177.8990.61103.29115.92128.49141.02153.50D63092.83108.05123.22138.33153.40168.42183.39198.31213.18D720106.15123.59140.97158.31175.60192.84210.02227.16244.25D820120.95140.85160.70180.50200.26219.96239.62259.22278.78D920158.10180.43202.70224.92247.09269.21291.28313.313
8、35.28357.20D1020200.16224.89249.58274.22298.81323.34347.82372.27396.66445.29D1120219.89247.09274.24301.35328.40355.40382.36409.26436.12489.69D1220239.62269.29298.9328.47357.99387.46416.88446.26475.58534.08D1320219.48323.57355.60387.59419.52451.41483.25515.04578.47D1420313.68348.23382.73417.18451.584
9、85.94520.24554.50622.86D1520335.87372.89409.86446.77483.64520.46557.23593.95667.25D1620358.08397.55436.98476.37515.70554.99594.23633.41711.64D1820446.87491.24535.56579.82624.04668.21712.33800.42D1920471.53518.37565.15611.88658.57705.20751.79844.81D2020496.20545.49594.74643.94693.09742.19791.25889.20
10、567891011121314151618注：绿色部分是钢管的生产范围5-18mm是钢管壁厚，219-2020mm是钢管外径数值是钢管理论重量螺旋钢管静水压试验压力沧州市鑫宜达钢管有限公司,以优质的原材料,严格的工艺流程,完善的检测设备,生产水电站用压力钢管,小水电用螺旋钢管,为您的工程提供可靠的保证。公式：2STD公称外径mm壁厚mm静水压试验压力单位：MPa1MPa约等于10公斤SY/T5037-2000GB/T9711.1-1997Q235B16MnQ235BL360219687.7/9.0/10.311.3/13.2/15.110.9/12.8/14.614.8/17.3/19.727
11、3686.2/7.2/8.39.1/10.6/12.18.8/10.2/11.713.5/15.7/17.9325685.2/6.1/6.97.6/8.9/10.27.4/8.6/9.511.3/13.2/15.137768/94.5/5.2/6.0/6.76.6/7.7/8.8/9.96.4/7.4/8.5/9.59.7/11.4/13.0/14.642668104.0/4.6/5.3/6.0/6.65.8/6.8/7.8/8.7/9.75.6/6.6/7.5/8.4/9.48.6/10.1/11.5/12.9/14.447868103.5/4.1/4.7/5.3/5.95.2/6.1/6.
12、9/7.8/8.70.0/5.9/6.7/7.5/8.47.7/9.0/10.2/11.5/12.852968103.2/3.7/4.3/4.8/5.34.7/5.5/6.3/7.0/7.80.0/5.3/6.0/6.8/7.67.3/8.6/9.8/11.0/12.263068102.7/3.1/3.6/4.0/4.53.9/4.6/5.3/5.9/6.60.0/4.4/5.1/5.7/6.36.2/7.2/8.2/9.3/10.372068102.4/2.7/3.1/3.5/3.93.5/4.0/4.6/5.2/5.80.0/3.9/4.4/5.0/5.55.4/6.3/7.2/8.1/9
13、.08206810/122.1/2.4/2.8/3.1/3.4/0.03.0/3.5/4.0/4.5/5.0/0.00.0/0.0/3.9/4.4/4.9/0.04.7/5.5/6.3/7.1/7.99207911/122.1/2.5/2.8/3.1/3.4/3.73.2/3.6/4.1/4.5/5.0/5.40.0/3.5/3.9/4.3/5.24.9/5.6/6.3/7.0/7.7/8.510207911/121.9/2.2/2.5/2.8/3.0/3.32.8/3.2/3.7/4.1/4.5/4.90.0/3.1/3.5/3.9/4.73.8/4.4/5.1/5.7/6.4/7.0/7.
14、6122081012/141.8/2.1/2.3/2.5/2.8/3.22.7/3.1/3.4/3.7/4.1/4.82.6/2.9/3.3/3.9/0.04.2/4.8/5.3/5.8/6.4/7.4钢管规格重量钢管标准对比钢管性能成份Q235B16MN钢管L245L290Q345钢管的力学性能和化学成份钢种力学性能化学成份屈服强度抗拉强度伸长率CSiMnSPMPakg/mmMPakg/mmmin不大于不大于不大于Q215AQ215B21522335-41034-42310.09-0.150.030.25-0.550.0500.0450.045Q235AQ235BQ235CQ235D2352
15、4375-46038-47260.14-0.220.12-0.200.180.170.300.30-0.650.30-0.700.35-0.800.35-0.800.500.450.400.0350.0450.0450.0400.03516Mn(Q345B)34535510-60051.60220.12-0.200.20-0.551.2-1.60.0450.045X4228929.541342.10.28-1.250.0300.030X5235836.545546.40.30-1.350.0300.030X5638639.448949.90.26-1.350.0300.030X6041342.151752.70.26-1.350.0300.030X6544845.753054.00.26-1.400.0300.030X7048249.256557.60.26-1.400.0300.030L245245415210.261.150.0300.030L290290415210.281.250.0300.030L360360460190.31.250.0300.030多年企业管理咨询经验，专注为企业和个人提供精品管理方案，企业诊断方案，制度参考模板等欢迎您下载，均可自由编辑感谢阅读
