Product name

CARBON STEEL HOLLOW SECTION

Out Diameter

20*20-1000*1000 15*20----800*1000

Wall Thickness

1.0mm-22.2mm

Length

1m-24m

Standard

API 5L, API 5CT, ASTM A53, ASTM A252, ASTM A500, BS1387, BS1139, EN10219, EN10217,

JISG3454 etc.

Quality grade

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

Material/

Steel grade

A, B, X42, X46, X52, X56, X60, X65, X70, Grade 1, Grade 2, Grade 3, ST33-2, St33, St37, St42,

St34-2, St37-2, St42-2, St52-3, P195, P235, P265, S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, etc.

Certificate

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

End

Plain end, beveled, cut square, grooved, threaded and coupling, etc.

Surface

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

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

Hydrostatic Test Range

Max Length 21 meters; Max Diameter 2600mm;

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

Small sizes packed by steel strips into bundles, big sizes 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

- for use as casing and tubing for wells, screwed and socketed steel tubes and tubular and for plain end steel tubes

- suitable for welding or for screwingto BS21 pipe threads, loose steel tubes, scaffolds

- used for the conveyance of fluids as well as for other applications, 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

- for welded, riveted,or bolted construction of bridges and buildings, and for general

structural purposes

- suitable for nominal pressure 25 for liquids and nominal pressure 10 for air and non-hazardous gases

- pressure purposes

- applies to structural hollow sections

- general structure purpose and pressure service etc.

Mill Test Certificate

EN 10204/3.1B