Standard 

API Spec 5 L (American petroleum institute, also known as the pipeline steel pipe; 

which is divided into PSL1 and PSL2 two level);

GB/T9711.1-2008:Oil and gas industry conveying pipe;

SY5039-2000:General low-pressure fluid conveying spiral seam high frequency welding 

steel pipe;

SY5040-2000:Pile with spiral weld pipe;

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

 Welded and Seamless; 

Material 

Q235A,Q235B,Q345,16Mn,Q195,Q215,A53,A106,Q345B,ST52-3,

Q235C,Q345A,Q345C,Q345D,Q345E,S355,JR275,J55,N80,Q255,

API5L Grade(X42,X52,X60,X70,X80),L245,L290,L360,L320,

L415,L450,L555,

0Cr13,1Cr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb,

Out Diameter

10mm~810mm

Thickness

1mm~30mm

Length

1m~11.8m

Seam

SAW(Spiral welded),SSAW(Spiral submerged-arc welded),HSAW,(Helical Submerged 

Arc Welded)

Surface finished

Mill finish,black,painted,oil,galvanized,Pe coated,pvc coated,

anti-rust oil,antirust paint,color prepainted,

Package

Standard export seaworthy or as customers’ requirements

Application

1. Spiral steel pipe is mainly used in water engineering, petrochemical industry,

2. chemical industry, power industry, agricultural irrigation, urban construction.

3. For liquid transportation, water supply and drainage.For gas, gas, steam, liquefied petroleum gas.For structure: piling pipe, bridge;Dock, road, 

4. building structural tube, etc.

Export

Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA,

Brazil,Thailand,Iraq,Russia,Holland,Turkey,Kuwait,Korea,Iran,India,Egypt,

Oman,Malaysia,Peru,Vietnam,Mexico,etc