Helicoidal SAW Dredging Steel Pipe

Helicoidal SAW Dredging Steel Pipe SSAW Steel Pipe:   Process: Spiral Submerged- Arc Welded Steel Pipe                             Out Diameter: 219.1 mm - 3048mm (8"-120") Wall Thickness: 4mm - 30mm Length: 6 - 22 m   Steel Grade: API 5L: GR A, GR B, X42, X46, X56, X60, X65, X70
ASTM A252 GR 1, GR 2, GR 3
BS 4360: Grade 43, Grade 50
EN: S275JR, S275J0H, S275J2H, S355JRH, S355J0H, S355J2H   Standard: API 5L, ASTM A252, EN10217-1,2,5, EN10219-1, BS, JIS, IS   Usage: Used for low pressure liquid delivery, such as water, gas, and oil; construction and piling    Surface: Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement   Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Metallographic Test, Technical Properties (Bending Test, Charp-v Impact Test, Hydrostatic Test, X-ray Test, Ultrasonic Test