Oil & Gas Linepipe

Description

Properties

The safe transmission of oil & gas is Dong Yang’s goal. The longitudinal and spiral SAW pipe oil & gas pipe lines are ISO 9002 certified and available in API-5L to X-80 spec as well as to customer specification.

Application

Fusion bonded Epoxy coated steel line pipe

Extrusion 3 – layer polyethylene coated steel line pipe

Applicable Spec: API 5L up to X – 80

DYSP STD Specification

Description Tolerance Remarks
Outside Diameter
D > 20″ ± 0.75% Pipe End : -0.79mm, +0.79mm
D > 20″ ± 1.00%
Thickness
D > 20″ + 15%, -12.5%
D > 20″ + 19.5%, -8%
Weight + 10%, -3.5% Carload : -1.75%
Length -0
Straightness Max. 0.2% of the length
Roundness ± 1%
Bevel Angle 30°, +5°, -0°,
Root Face 1.59mm, ±0.79mm
Tensile Test API 5L 1 per 100 lengths
Chemical Analysis each heat
Metallographic exam 1 per working turn
Bend test 1 per 50 lengths
Impact Test each heat
Additional Test according to agreement with customer

 

Applicable Size

  • Longitudinal SAW Oil & Gas Service Pipe

  • Spiral SAW Oil & Gas Service Pipe

Product Image