| http://www.w3.org/ns/prov#value | - Order) Outer Diameter: 200 - 3500 mm Thickness: 1.2 - 60 mm,1.2-60mm Grade: 10#,20#,45#,10MoWVNb,API J55,API K55,API L80,Q235,Q345,10#-45#,API J55-API P110,Q195-Q345 Standard: API 5CT,ANSI A210-1996,ANSI A213-2001,BS 1139,BS 1387,DIN 1626,DIN 1629/3,DIN 1629/4,GB 3087-1999,GB 6479-2000,API,ASTM,BS,DIN,GB Application: natural gas, gas, steam, heating and other long-distance pipelines and Technique:
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