Model Number: black steel pipe-20170302 Brand Name: YOUFA ,TOP 500 ENTERPRISE Key Specifications/Special Features: API 5L Gr.B Q345B black steel pipe used for oil and gas1. Sizes:1) OD: 1/2"-20" (21.3mm-508mm)2) Wall thickness: 1mm-20mm3) SCH20, SCH40, STD, XS, SCH80, SCH160, XXS2. Steel materials:
Q195 → SS330, ST37, ST42, ASTM A500 Gr.A, ASTM A53 Gr.A,
Q235 → SS400, S235JR, ASTM A500 Gr.B, ASTM A53 Gr.B, BS1387
Q345 → S355JR, SS500, ST52, ASTM A500 Gr.C, ASTM A53 Gr.C

3. Standards: ASTM A53, BS1387-1985, API 5L, BS1139, EN39.

4. Usage:
1)Low pressure liquid, water, gas, oil, line pipe
2)Construction
3)Fence, door pipe

5. Ends:
1) Plain
2) Beveled
3) Thread with coupling or cap
4) Chamfer
5) Groove
6) Screw

6. End protector
1) Plastic pipe cap
2) Iron protector

7. Surface treatment:
1) Bared
2) Black painted (varnish coating)
3) Galvanized
4) Anti-rusted oil or cutie rust clear oil
5) PE, 3PE, FBE, corrosion resistant coating, anti-corrosion coating

8. Technique:
1) Electronic resistance welded (ERW)
2) Electronic fusion welded (EFW)
3) Double submerged arc welded (DSAW)

9. Welded line type: longitudinal

10. Section shape: round, square, rectangular

11. Inspection: with hydraulic testing, eddy current, infrared test

12. Package:
1) Bundle
2) Bags
3) Break bulk cargo

13. Delivery: container, bulk vessel

14. About our quality:
1) No damage, no bent
2) No burrs or sharp edges and no scraps
3) Free for oiled & marking
4) All goods can be checked by third party inspection before shipment

15. Others:
Fitting as screws and flange also can be supplied