Spiral welded steel pipe carbon steel pipe manufacter

Out Diameter

219mm-3000mm

Wall Thickness

5mm-30mm

Length

3-12m,by customer's requirements

Standard

API 5L, ASTM A252, EN10219, EN10217,   ISO3183, GB/T9711, SY/T5037, SY/T5040, etc.

Quality grade

First class, prime, newly produced, secondary, stock   etc.

Steel grade

Q195,Q235,Q345 GRB.B,X42,X52,X60,X70

Certificate

EN10217, EN10219, API 5L PSL1/ PSL2, KS 4602, KS3583,   GB/T9711.1/2,etc.

End

Plain end, spigot & socket   joint, beveled, cut square, flanged, piling shoes, etc.

Surface

Bare, varnished, black lacquer, Bitumen   Coating, zinc coating, anti-corrosion coating, 3PE,

FBE, Epoxy, Cement Mortar, as per customer's   requirement;

Test

Chemical Component Analysis, Mechanical Properties   (Ultimate tensile strength, Yield strength, Elongation),Metallographic   Test, Technical Properties (Bending Test, 

Charpy-v Impact Test, Hydrostatic Test, X-ray Test,   Ultrasonic Test)

Packing

Usually in loose pieces; can be packed as customers'   special requirements

Application

- line pipe for use in pipeline transportation   systems in the petroleum and natural gas industries;

- applies to pipe piles in which the steel   cylinder acts as a permanent load-carrying member, or as a shell to   form cast-in-place concrete piles;

- predominantly used in the construction of chemical   plant, vessels, pipe work and for general mechanical engineering   purposes;

- applies to structural hollow sections and   pressure purposes etc.