X70 spiral welded line pipe

API 5L PSL1/PSL2 Gr.B/X42/X52/X56/X60/X65/X70/X80 Spiral Welded Line Pipe
OD:219.1mm-4064mm
WT:3.2mm-40mm
L: 6mtr-18mtr

Application

Used for construction of long distance pipelines for combustible liquids and gases, nuclear station pipelines, heating system pipelines, general-purpose pipelines, vessels manufacturing, mechanical engineering and instrumental engineering.

 

Process

SAW (Spiral Welded)

SSAW (Spiral Submerged-arc Welded)

 

Quality Standard

SAW SSAW

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

API 5L Line Pipe

 

Coating Standard

ANSI/AWWA C104/A21.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water

ISO 21809 Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems

DIN 30670 Polyethylen coatings of steel pipes and fittings

 

Steel Grade

BS 1387 EN10217  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

 

Size

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

Wall Thickness 3.2 mm - 40mm

Length 6mtr-18mtr

End

square ends (straight cut saw cut and torch cut);

beveled for welding (All line piping is square cut to the tolerance specified and bevelled to ANSI B16.25. An angle of 30º (-0º +5º) and a landing of 16 mm ±08 mm is applied. Schedule 160 material is supplied without bevelling.)

 

SurfaceLightly oiled Hot dip galvanized Electro galvanized Black Bare Varnish coating/Anti rust oil Protective Coatings (Coal Tar Epoxy  Fusion Bond Epoxy 3-layers PE)

 

TestChemical Component Analysis Mechanical Properties (Ultimate tensile strength Yield

strength Elongation) Technical Properties (Flattening Test Bending Test Hardness Test Blow Test Impact Test etc.) Exterior Size Inspection Hydrostatic Test(The standard pressure is limited to 207 MPa (3000 psi)) X-ray Test.

 

Mill Test Certificate EN 10204/3.1B

Third party inspection SGS BV Lloyds etc.