Spiral steel tube

Spiral steel tubeStandard: GB Place of origin: China(mainland) Model number: spiral welded Technique: Spiral Usage: industrial field Welded Line Type: Spiral Thickness: 6-25.4mm Welding Line Type: Spiral welded Specification: 14-80 Spiral steel pipe API 5L GR. A&B API 5L×UPTO GR.70. ASTM: A252 Grades 1,2 &3. ASTM:671/672/691.IS:3589 Executive standard: 1. API SPEC 5L Specification for Line Pipe 2. SY/T5037(Chinese standard)for low pressure liquid transportation; 3. GB/T9711.1 (Chinese standard) Petroleum and natural gas industries Diameter Schedule: Size No. (O.D.×wall thickness)mm No. (O.D.×wall thickness)mm 1. 219×6-7 13. 1016×8-19 2. 273×5.6-8 14. 1219×8-20.6 3. 323.9×5.6-8 15. 1422×8-20.6 4. 355.6. ×5.6-9 16. 1626×10-22.2 5. 406.4×5.6-10 17. 1829×12.7-23.8 6. 457×5.6-10 18. 1930×12.7-23.8 7. 508×5.6-12 19. 2032×14.3-25.4 8. 610×6.4-13 20. 2120×14.3-25.4 9. 660×7.1-13 21. 2235×14.3-25.4 10. 711×7.1-14 22. 2337×14.3-25.4 11. 813×7.1-16 23. 2438×14.3-25.4 12. 914×7.1-16Material: Q235-Q345,L 175-L485,SS400,16Mn,L290-L360 or according to customers requirements Chemical and Mechanical property: Grade C Mn Si S P UTS(Mpa) YS(Mpa) EI(%) 20# 0.170.23 0.380.65 0.170.37 ≤0.030 ≤0.030 410500 ≥245 ≥20 Q235B 0.12-0.20 0.30-0.70 0.30-0.70 0.045 0.045 375-500 235 26 Q345B 0.120.20 1.201.60 0.200.55 ≤0.045 ≤0.045 510-600 345 22