螺旋焊管主要质量指标对照表

1、 螺旋焊管主要质量指标对照表标准代号容项目SY/T5037-2000GB/T9711.1-1997（A级）API Spec 5L(42)适用围燃气、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D508  ±0.75%D D508  ±1.00%DD508  ±0.75%D D508  ±1.00%DD508  ±0.75%D 508D914  -0.25

2、%D+0.75%DD914   -3.20+6.35管端外径D508  ±0.75%D    ±2.5  取小值 D508  ±1.00%D  ±4.5  取小值D273.1   -0.40+1.59 D323.9   -0.79+2.38D273.1   -0.40+1.59 D273.1   -0.79+2.38偏差壁厚D508±12.5%t-12.5%t+15.

3、0%t-12.5%t+15.0%tD508±10.0%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围±1%DD508的钢管在距管端101.6围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围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%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

4、76;-35°     钝边1.6±0.8坡口角30°-35°  钝边1.59±0.79坡口角30°-35°  钝边1.59±0.79切斜D813 , 1.6 D813 , 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t133.2 t13  4.8t12.73.18 t12.7  4.76t12.73.18 t1

5、2.7  4.76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

6、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203mm X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203mm X射线检验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

7、的规格一般以钢管的外径 D 、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），在标准规定围，而又不要求固定尺寸的叫不定尺。       定尺 按订货要求切成固定尺寸的称为定尺。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567891011121314151618D219 26.8832.0237.1042.13     

8、    D245 30.0935.8641.5947.26         D273 33.5540.0146.4252.7859.1065.36       D325 39.9647.7055.4063.0470.6478.18       D377 46.3755.4063.8773.

9、3082.1891.01       D426 52.4162.6572.3382.9793.05102.59113.08123.02     D478 58.8270.3481.8193.23104.60115.92127.19138.41     D529 65.1177.8990.61103.29115.92128.49141.02153.50    

10、 D630 92.83108.05123.22138.33153.40168.42183.39198.31213.18   D720 106.15123.59140.97158.31175.60192.84210.02227.16244.25   D820 120.95140.85160.70180.50200.26219.96239.62259.22278.78   D920 158.10180.43202.70224.92247.09269.21291

11、.28313.31335.28357.20 D1020  200.16224.89249.58274.22298.81323.34 347.82372.27396.66445.29D1120  219.89247.09274.24301.35328.40355.40382.36409.26436.12489.69D1220  239.62269.29298.9328.47357.99387.46 416.88446.26475.58534.08D1320   219.4832

12、3.57355.60387.59419.52451.41483.25515.04578.47D1420   313.68348.23382.73417.18451.58 485.94520.24554.50622.86D1520   335.87372.89409.86446.77483.64520.46557.23593.95667.25D1620   358.08397.55436.98476.37515.70554.99594.23633.41711.64D1820  

13、  446.87491.24535.56579.82624.04668.21712.33800.42D1920    471.53518.37565.15611.88658.57705.20751.79844.81D2020    496.20545.49594.74643.94693.09742.19791.25889.20 567891011121314151618注：绿色部分是钢管的生产围       

14、0;  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    市鑫宜达钢管,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：2ST÷D公称外径 mm 壁厚mm                

15、60;   静水压试验压力       单位：MPa  1MPa约等于10公斤SY/T5037-2000GB/T9711.1-1997Q235B16MnQ235BL3602196/7/87.7/9.0/10.311.3/13.2/15.110.9/12.8/14.614.8/17.3/19.72736/7/86.2/7.2/8.39.1/10.6/12.18.8/10.2/11.713.5/15.7/17.93256/7/85.2/6.1/6.97.6/8.9/10.27.4/8.6/9.511.3/13

16、.2/15.13776/7/8/94.5/5.2/6.0/6.76.6/7.7/8.8/9.96.4/7.4/8.5/9.59.7/11.4/13.0/14.64266/7/8/9/104.0/4.6/5.3/6.0/6.65.8/6.8/7.8/8.7/9.75.6/6.6/7.5/8.4/9.48.6/10.1/11.5/12.9/14.44786/7/8/9/103.5/4.1/4.7/5.3/5.95.2/6.1/6.9/7.8/8.70.0/5.9/6.7/7.5/8.47.7/9.0/10.2/11.5/12.85296/7/8/9/103.2/3.7/4.3/4.8/5.34.7

17、/5.5/6.3/7.0/7.80.0/5.3/6.0/6.8/7.67.3/8.6/9.8/11.0/12.26306/7/8/9/102.7/3.1/3.6/4.0/4.53.9/4.6/5.3/5.9/6.60.0/4.4/5.1/5.7/6.36.2/7.2/8.2/9.3/10.37206/7/8/9/102.4/2.7/3.1/3.5/3.93.5/4.0/4.6/5.2/5.80.0/3.9/4.4/5.0/5.55.4/6.3/7.2/8.1/9.08206/7/8/9/10/122.1/2.4/2.8/3.1/3.4/0.03.0/3.5/4.0/4.5/5.0/0.00.0

18、/0.0/3.9/4.4/4.9/0.04.7/5.5/6.3/7.1/7.99207/8/9/10/11/122.1/2.5/2.8/3.1/3.4/3.73.2/3.6/4.1/4.5/5.0/5.40.0/3.5/3.9/4.3/5.24.9/5.6/6.3/7.0/7.7/8.510207/8/9/10/11/121.9/2.2/2.5/2.8/3.0/3.32.8/3.2/3.7/4.1/4.5/4.90.0/3.1/3.5/3.9/4.73.8/4.4/5.1/5.7/6.4/7.0/7.612208/9/10/11/12/141.8/2.1/2.3/2.5/2.8/3.22.7/3.1/3.4/3.7/4.1/4.82.6/2.9/3.3/3.9/0.04.2/4.8/5.3/5.8/6.4/7.4钢管规格重量  钢管标准对比  钢管性能成份Q235B 16MN钢管 L245 L290 Q345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