carbon steel tubes in heavy demand

Product specifications summaryProduct NameGrades or gradestandardsSize rangeGeneral structure of seamless steel pipes10#20#35#45#Q345 Etc.GB/T8162-1999Φ8*1 Φ720*50General fluid with seamless steel pipe10#20#Q345 Etc.GB/T8163-1999Φ8*1 Φ720*50Low and Medium Pressure Boiler Seamless Steel Tubes10#20# Etc.GB3087-1999Φ8*1 Φ720*50Fung-free high-pressure boiler steel pipe20G12CrlMoVG15CrMoG1C r5Mo1Cr9Mo Etc.GB5310-1995Φ8*1 Φ720*50High-pressure chemical fertilizer equipment, with seamless steel pipe10#20#Q34515CrMo1C r5Mo Etc.GB6479-2000Φ8*1 Φ720*50Seamless steel pipes oil cracking10#20#15CrMo1Cr5Mo1Cr9Mo Etc.GB9948-1988Φ8*1 Φ720*50Ship with carbon steel seamless steel pipe10#20#Q345Etc.GB/T5312-1999Φ8*1 Φ720*50Pipe conveying fluid withL175 415 Etc.GB/T9711.1 GB/T9711.2Φ114.3*4 Φ1930*19.1American Standard Carbon Steel TubeA53ASTMΦ17.1*3.2 Φ609.6*9.53 seamless carbon steel tubes 1. standard:API 5L, ASTM A106/A53, DIN 1629/2391/17172, JIS 3461/3462, BS3059 etc 2. material: GR.A;GR.B;ST45;ST45.8;ST35.8;ST35,ST52 3. Size: O.D.1/4"-24" 4. surface: oiled or black/clean painted to prevent rust 5. ends: 2" below plain ends; 2"above beveled ends. 6. methord:below 88.9mmis cold drawn; above 114.3mm is hot rolled. 7. packing: caps on two end of every pipe outer; hexagonal shape bundles wrapped with strong steel strip or customers' requests. 8.length: 2-20m random or fixed.such as 5.8m fixed,6m fixed,5-7m randometc. 9.usage: used for conveyance gas ,water ,petroleum and conveyance of other fluid 10. products details: Quality oil casing tube, line pipes, hollow pipes, the fluid pipes, the structure pipes, the boiler tube, the petroleum cracking tube, the precision tube(clod drawn), the drilling pipe,the tube for auto semi-sahft casing and so on