1.standards of spiral steel pipe/tubes: SY/T5037-2000 GB/T9711.1-1997 API 5L Y/T5040-92
2.Material of spiral steel pipes/tubes: Q235A,Q235B.Q23b, 0Cr13、1Cr17、00Cr19Ni11、1Cr18Ni9、0Cr18Ni11Nb.Q345 L245 L290 X42 X46 X70 X80
3.Specification of spiral steel pipes: 219mm-3220mm * 6-30mm
4.Type of spiral steel pipes: welded
5.Certification of spiral steel pipes: ISO/MTC
6.Origin of spiral steel pipes: Tianjin, china
7.Delivery time of spiral steel pipes: within 30 days. 8.Min order of spiral steel pipes: 1 ton
9.Payment of Spiral steel pipes: 30% IN advance and the balance against B/L copy.
Tianjin Sanjuyuan Trade Co.,Ltd
Beichen, Tianjin, China
sanjuyuantrade@gmail. com
sanjuyuantrade@hotmail. com
SKYPE: sanjuyuan1
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