國標螺旋管

國標螺旋管通稱9711.1螺旋管，9711.2螺旋管，材料歸類：16Mn材料螺旋管，Q345B螺旋管，L245螺旋管，L360螺旋管，X40-X80螺旋管，適用范圍，廢水處理用螺旋管，水處理用螺旋管，自來水廠用螺旋管，發電廠化工廠用螺旋管無縫鋼管，核電廠用螺旋管，運輸易燃性液體用螺旋管，運輸非易燃性液體用螺旋管，國標螺旋管，原油部標SY/T5037螺旋管。該商品用熱軋鋼帶做原材料，常常溫螺旋式成形，全自動電弧焊加工工藝電焊焊接而成，商品實行APISPEC5L、EN10217、GB/T9711.1、GB/T9711.2規范。關鍵用以原油、天然氣工業中運輸可燃性液體和非可燃性液體及鋼架結構。

螺旋管公稱重表公稱壓力直徑

nominalO.D

mm公稱壓力壁厚　NominalWallThicknessmm5.05.56.07.08.09.010.011.012.013.014.015.016.018.020.022.027333.0436.2839.5145.92

323.939.3243.1847.0454.7062.3269.89

(325)39.4643.3347.2654.9062.5470.13

355.643.2347.4851.7360.1868.5776.92

(377)45.8850.3954.8963.8772.8081.67

406.449.4454.3259.2468.9478.6088.2097.75

(426)51.9157.0362.1472.3382.4692.55102.59

45755.7361.2466.7377.6988.5899.43110.23120.98131.60142.34

508

74.2886.4898.64110.75122.81134.82146.78158.69

(529)

77.3890.11102.78115.41127.99140.51152.99165.42

(559)

81.8295.29108.70122.07135.38148.65161.87175.04

610

89.37104.09118.76133.39147.96162.48176.96191.39

(630)

92.33107.54122.71137.82152.89167.91182.88197.80

(660)

96.77112.72128.63144.48160.29176.05191.76207.42

711

104.31121.52138.69155.80172.87189.88206.85223.76

(720)

105.64123.08140.46157.80175.09192.32209.51226.65

(762)

130.33148.75167.12185.44203.72221.94240.11258.24

813

139.13158.81178.44198.02217.55237.03256.46278.88

(820)

140.34160.19179.99199.75219.45239.10258.71276.26297.77317.23256.01394.58432.96914

178.74200.06222.93244.95266.92288.84310.72332.54354.31397.74440.95483.96(920)

179.92202.19224.41246.58268.70290.77312.79334.76356.68400.40443.91486.131016

198.86223.49248.08272.62297.10321.54345.93370.27394.56443.02491.26539.30