Item

ERW Steel pipe API 5L

Outer Diameter

21.3mm---660mm

Wall Thickness

1.5mm---23mm

Length

5m---18m

Usage

Line Pipe, Casing And Tubing, Fluid Pipe, Water Delivery, Heating Pipe, Power Pipe, Structure Pipe, Scaffold, Piling Pipe

Manufacture Processes

Raw material Test→Uncoiling→Strip leveling →End Cutting→End Shearing and Welding→Accumlator→Forming→Telepathy Welding→Seam Heat Treatment→Air/Water Cooling→Body/Seam UT→Sizing Straightening→Cutting→Visual and Dimension Inspection→Hydraulic Test→End Beveling→Flatten Test→Seam/End UT→Length-Measuring and Weighing→Coating-Marking→Storage

Ends Processing

Beveled or Plain End

Standard

API 5L, API 5CT, ASTM 53, EN10219, EN10210, EN10217, DIN 2458. IS 3589, JIS G3452, BS1387

Steel Grade

API 5L: GR B, X42, X46, X56, X60, X65, X70

ASTM A53: GR A, GR B

EN: S275, S275JR, S355JRH, S355J2H

DIN: ST35, ST37, ST44, ST53

GB: Q195, Q215, Q235, Q345, L175,  L210, L245, L320, L360 - L555

Surface Process

1 Oiled
2 Galvanized
3 3PE Anti-corruption coated 
4 According to the customers' requirement

Test Equipment

Raw Material Test

Tensile Test ,Yield Strength, Elongation,  Chemical Analysis, Hardness Test, Charpy Impact Test, Metallographic Examination

Final Product Test

Hydraulic Test, On-line and off-line Ultrasonic Test, Tensile Test, Yield Strength, Elongation, Hardness Test, Charpy Impact ,Flattening Test
Chemical Analysis, Metallographic Examination

Package

1 Naked
2 Both ends with a plastic cap ,then put the pipe into a bundle covered by plastic cloth according to the size of the pipe with steel belt tied
3 According to the customers' requirement

Main Market

Middle East, South and North America, Europe, Asia, Oceania