Wall Thickness

0.5-80 mm

WT Tolorance

+12.5% / -10%

Length

6-12m or as customers’ request

Outer Diameter 

9-3000mm

OD Tolorance

 +1% / -1% 

Surface

Black, painted, Galvanized, color coated, PE coated, Varnish, anti-rust oiled, etc

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

Material

10#,20#,45#,A53A,A53B,A106Gr.A,A106Gr.B,A106A,A106B,ST52-3,ST358,16Mn,Q235B,API5L Gr.B,Gr.65,Gr.60,Gr.70,X42,X52,X60,X65,X70,X80,etc

Standard 

GB/T3091 Welded steel pipe for low pressure liquid delivery

GB/T9711 Petroleum and natural gas industries--Steel pipe for pipelines

IS: 3589 Steel tubes for water and sewage

IS : 1978-1982:Steel tubes for use in transportation of oil; gas & Petroleum products

ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

DIN 2458 WELDED STEEL PIPES AND TUBES

EN10217 Welded steel tubes for pressure purposes.Technical delivery conditions. Nonalloy steel tubes

 with specified room temperature properties

API 5L/API5CT Line and oil Pipe

SY/T5037 Spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service

SY/T 5040 Spiral submerged arc-welded steel pipe piles

CJ/T 3022 Spiral submerged-arc welded steel pipe for municipal heat supply

IS : 1978 Steel tubes for use in transportation of oil;gas & Petroleum products

ASTM A252 WELDED AND SEAMLESS STEEL PIPE PILES

Technique

Hot Rolled, Welded

Packaging Details

Standard export packing or Package In Bundle