Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

Spiral welded steel pipe


SPIRAL STEEL PIPE 
OUTSIDE.D 219--3220mm 
W.T 6--18mm 
STANDARD SY/T5037-2000 GB9711.1 GB9711.2 API5L 
ISO9001 API

 

Spiral welded steel pipe

SSAW (Spiral Submerged-arc Welded) - Spiral welded steel pipe

 

 

 

Quality standard:

 

 

 

 

 

API 5L Gas and petroleum pipelines

 

 

 

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

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 WELDEDAND SEAMLESS STEEL PIPE PILES

 

BS534, BS 3601 DIN 1626, DIN 2460,TS1997, UNI 6363, AWWA C-200

Steel Grade:

Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8

S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33,St37, St44, ST52

ASTM A 53: Gr. A, Gr B, Gr C, Gr.D

API 5L: A, B, X42, X46, X52, X56, X60, X65 X70

GB/T9711: L175, L210, L245, L290, L320, L360, L290, L320, L360, L390, L415, L450, L485, L555

ASTM A252: Gr.1 Gr.2 Gr.3

 

About  products :

SPIRAL STEEL PIPE 
*OUTSIDE.D 219--3220mm 
W.T 6--18mm 
STANDARD SY/T5037-2000 GB9711.1 GB9711.2 API5L 
MATERIAL: ST37,ST44,ST52, Q235B/Q345B/L245/L290/L360/L415/L485/20# API 
5L.B/X42/X52/X60/X70 X80 X100etc 

 

Size range:

Outer Diamter: 219.1mm - 4064mm (8" - 160")

Wall Thickness: 3.2 mm - 25.4mm

Length: 6mtr-18mtr

coating and lining:

 

 

 

 

Outside coating:

 

 

 

 

Anti-rust oil, black painting.

 

 

 

Epoxy Coating according to AWWA C-210

 

 

Bitumen Coating according to DIN30672, BS534

 

Coal- Tar Enamel Coating according to AWWA C-203

 

3 Layer polyethylene Coating according to DIN30670

 

3 Layer Polypropylene Coating according to DIN30678

 

Inside lining:

 

 

 

 

Epoxy lining according to AWWA C-210

 

 

Bitumen Lining according to DIN30673, BS534

 

Coal-Tar Enamel Lining according to AWWA C-203

 

Cement Mortar Lining according to AWWA C-205, BS534

Joint details:

 

 

 

 

 

 

 

 

Welded joint: The most widely used type for the joining of steel pipes. Steel pipe is relieved with bevelled ends which are made with special equipment in compliance with the relevant stanards.

Spherical socket joint: provides the possibility of a rotation 10 degrees at the pipeline without the utilization of any special fittings. Steel pipes are welded from outside after proper erectioning according to required angle.

Spigot and socket joint: Wspecially used for the steel pipes inside coated with cement mortar. Steel pipes are welded from outside after erectioning.

Flanged joint: The special manufactured flanged are welded to the ends of the pipe and then jointed with bolts.

 

Test Spiral welded steel pipe : Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties ( Bending Test, Blow Test, Impact Test), Exterior

Size Inspection, Hydrostatic Test, X-ray Test.

Mill Test Certificate:EN 10204/3.1B

 

Third party inspection:SGS, BV, Lloyds etc.

 

 

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下一篇:STD SCH40 DIN1629 ST52 seamless pipe

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