Place of origin

Tianjin China(Mainland)

Application

oil pipe

Welding line type

ERW

Minimum order quantity

20 ton

Price

FOB USD 400-800/Ton

Port

China Mainland

Delivery time

0-30 days

Payment terms

L/C, T/T

Supply ability

200000 Unit/Units per year 500MT/day

OD

21.3mm-630mm

WT

1.5mm-14mm

Standard

API 5L GB/T9711.1

Length

5m-8m

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 Marketing-Storage

Ends

bevelled or plain end

Surface process

1.oiled; 2.galvanized; 3.3PE Anti-corruption coated

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 chemcial 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