Specifications

ERW Steel Tube
OD 21.3mm-----630mm WT 1.5mm----14mm
Material Q235(B),Q345(B),ETC
Standard API ,EN10255,EN10209,BS1387,GB/T309

ERW Steel Tube

Item	Details
Outer Diameter	21.3mm-----630mm
Wall Thickness	1.5mm----14mm
Length	5m-----18 m
Usage	Line Pipe,Casing And Tubing,Fluid Pipe,Water Delievery,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	Bevelled or Plain End
Surface Process	1 Oiled 2 Galvanized 3 3PE Anti-corruption coated 4 According to the ustomers' requirement
Test Equipment
Raw Material Test	Tensile Test ,Yeild Strength,Elogation,Impact Test, Chemical Analysis,Hardness Test,Charpy Impact Test,Metallographic Examination
Final Product Test	Hydraulic Test, On-line and off-line Ultrasonic Test,Tensile Test ,Yeild Strength,Elogation,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 accroding to the size of the pipe with steel belt tied 3 According to the sustomers' requirement
Main Market	Middle East, South and North America, Europe,Asia,Oceania
Contact Information	Tel       86-22-28379958806             86-22-28379968806 Fax      86-22-28379978 Mobile 86-13752411747