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

7-20 days

Payment terms

L/C, T/T

Supply ability

200000 Unit/Units per year 500MT/day

OD

21mm-273mm

WT

0.8mm-15mm

Standard

API 5L, GB/T9711.1-1997, BS1387, ASTM A53-2007,

Length

3m-17m

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