GB/T9711.1 GB/T9711.2 Spiral Arc Merged Welded Steel Pipe

Product Name

Double-faced Spiral Arc Merged Welded Steel Pipe

Size

OD

159--3020mm in Theory

Thickness

4--25mm in Theory

Length

Usually 6~12 Meters, 20 Meters Max in Theory

Standard

SY/T5037  SY/T5040  GB/T9711  API5L  EN10208  ASTM A252  JISA5525

Material

Chinese Grade

Q235,Q345,S245,S290,S320,S360,S390,S415,S450

Foreign Grade

ASTM

Grade A,Grade B,X42,X46,X52,X56,X60,X65,X70

EN

S185,S235JR,S235JO,E335,S355JR,S355JO

L245,L290,L320,L360,L390,L415,L450

Usage

Used For Water, Sewage, Gas, Stream, Combustible Fluids(Petroleum and Gas)  

Ends

Beveled (Can be Protected By Plastic Caps or Steel Rings According to Your Requirements)Also We Can Weld Flanges on the Pipe Ends Plain Ends

Surface

Bared Or Paint With Oil, Bitumen,1-3 layer PE

Inspection

With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test,

Dimensional and Visual Inspection, Also With Nondestructive Inspection

Technique

Hot Rolled and SSAW or DSAW

Package

Package With Steel Strip When O.D≤273MM, Otherwise In Bulk.

Date of Delivery

According to The Specifications And the Quantities,

Time Begin When We confirm the Date of the Earnest or L/C

Method of Payment

T/T    L/C   West Union

Method Of Delivery

Terms According To the <INCOTERMS 2000> for International Trading,

Others

N/A