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Electric Resistance Welding (ERW) pipes applied wide hot rolling steel profile as raw material, and went through pre-bending, continuous forming, welding, straightening, cutting and other processes. The pipe has short weld joints, high dimensional accuracy, uniform thickness, and excellent surface and can bear high pressure.

Specifiction

API Spec 5L PSL-1, API Spec 5L PSL-2, API Spec 5CT, ASTM A53, ASTM A252, ASTM A500, AS/NZS 1163, AS/NZS 1074, AS/NZS 2885, ASTM A795, ASTM A135, BS1139, BS1387, EN 10217, EN 10219, EN 10255, JIS G3444, JIS G3452 and etc.

Grade

A25, A25P, GR.A, GR.B, GR.C, X42, X46, X52, X56, X60, X65, X70, H40, J55, K55, N80, L175, L210, L245, L290, L320, L360, L390, L415, L450, L485, Q195, Q235, Q355, C250, C350, C350 L0, C450, C450 L0, S235JRH, S275J0H, S355J0R, S355J0H, GR.1, GR.2, STK290, STK400, STK490, STK500, STK540 and etc.

Application

Line Pipe, Casing Pipe, Tubing, Slotted Liner, Boiler Pipe, Piling Pipe, Sprinkler Pipe, Compressor Tube, Structural Pipe, Galvanized Pipe, Shoulder Pipe, Torque Tube, Roller Pipe, Scaffolding Pipe, Grooved Pipe, Threaded Pipe, Coated Pipe and etc.

Source :- https://www.uniasen.com/erwpipe

Seamless (SMLS) steel pipes have a hollow section, a large number of pipes for transporting fluids, such as pipes for transporting oil, natural gas, coal gas, water and certain solid materials, boiler and etc.

Specification

API SPEC 5L, API SPEC 5CT, ASTM A106, ASTM A53 and etc.

Grade

10#, 20#, P110, A25, A25P, GR.A, GR.B, GR.C, X42, X46, X52, X56, X60, X65, X70, L175, L210, L245, L290, L320, L360, L390, L415, L450, L485, Q195, Q235, Q355, C250, C350, C350 L0, C450, C450 L0, S235JRH, S275J0H, S355J0R, S355J0H, GR.1, GR.2, STK290, STK400, STK490, STK500, STK540 and etc.

Application

Line Pipe, Casing Pipe, Tubing [OCTG], Slotted Liner, Boiler Pipe, Piling Pipe, Sprinkler Pipe, Compressor Tube, Structural Pipe, Galvanized Pipe, Shoulder Pipe, Torque Tube, Grooved Pipe, Threaded Pipe, Coated Pipe and etc.

Source :- https://www.uniasen.com/smlspipe/

Spiral submerged arc welded (SSAW) pipes has spiral welding joints and the pipes are welded and formed at the same time. The strip steel with the same specification can produce SSAW pipes with various diameters.

Specification

API Spec 5L PSL-1, API Spec 5L PSL-2, ASTM A53, ASTM A252, ASTM A500, AS/NZS 1163, AS/NZS 1074, AS/NZS 2885, ASTM A795, ASTM A135, BS1139, BS1387, EN 10217, EN 10219, EN 10210, EN 10255, JIS G3444, JIS G3452 and etc.

Grade

A25, A25P, GR.A, GR.B, X42, X46, X52, X56, X60, X65, X70, L175, L210, L245, L290, L320, L360, L390, L415, L450, L485, Q195, Q235, Q355, C250, C350, C350 L0, C450, C450 L0, S235JRH, S275J0H, S355J0R, S355J0H, GR.1, GR.2, STK290, STK400, STK490, STK500, STK540 and etc.

Application

Line Pipe, Slotted Liner, Piling Pipe, Compressor Tube, Structural Pipe, Galvanized Pipe, Shoulder Pipe, Coated Pipe and etc.

Source:- https://www.uniasen.com/ssawpipe/

Longitudinally Submerged Arc Welding (LSAW) pipes use single plate steel as raw material, applied double-sided submerged arc welding. The finished products have larger specifications and the welding joints have excellent ductility, plasticity and good sealing.

Standard

API Spec 5L PSL-1, API Spec 5L PSL-2, ASTM A53, ASTM A252, ASTM A500, AS/NZS 1163, AS/NZS 1074, AS/NZS 2885, ASTM A795, ASTM A135, BS1139, BS1387, EN 10217, EN 10219, EN10210, EN 10255, JIS G3444, JIS G3452 and etc.

Grade

A25, A25P, GR.A, GR.B, X42, X46, X52, X56, X60, X65, X70, H40, J55, K55, N80, L175, L210, L245, L290, L320, L360, L390, L415, L450, L485, Q195, Q235, Q355, C250, C350, C350 L0, C450, C450 L0, S235JRH, S275J0H, S355J0R, S355J0H, GR.1, GR.2, STK290, STK400, STK490, STK500, STK540 and etc.

Application

Line Pipe, Slotted Liner, Piling Pipe, Structural Pipe, Galvanized Pipe, Shoulder Pipe, Coated Pipe and etc.

Source:- https://www.uniasen.com/lsawpipe/

Hollow structural section (HSS) is a type of metal profile with a hollow tubular cross section, including Square Pipes and Rectangular Pipes. Hollow Sections are commonly used in welded steel frames where members experience loading in multiple directions.

Standard

ASTM A500, EN10219, EN10296 and etc.

Grade

A25, A25P, GR.A, GR.B, GR.C, Q195, Q235, Q355, C250, C350 and etc.

Application

Piling Pipe, Structural Pipe, Galvanized Pipe, Torque Tube, and etc.

Source:- https://www.uniasen.com/hollowsection/

A pipeline coating is a cost effective and viable solution to maintain pipelines' integrity. This coating provides a constant protective lining that helps save pipelines from the damaging effects of corrosion. Pipeline coating is one of the most reliable corrosion prevention methods used by industries today.

Product Specification

HOT DIG GALVANIZED (HDG)

EXECUTIVE STANDARD:
ASTM A123,  ISO 1461, BS1387 and etc.

FUSION BOUNDED EPOXY (FBE)

EXECUTIVE STANDARD:
AWWA C210, AWWA213, AS/N2S 3862, CAN/CSA Z245, SY/T0315 and etc.

TWO / THREE LAYER POLYPROLENE (2PE / 3PE)

EXECUTIVE STANDARD:
DIN30670, NFA49-710/711, ISO21809 IPS-G-TP-335 and etc.

TWO / THREE LAYER POLYPROLENE (2PP / 3PP)

EXECUTIVE STANDARD:
DIN30678, GS-GR-COR 221, ISO21809 and etc.

THREE LAYER POLYPROLENE WITH EPOXY RESIN INTERNAL COATING (TPEP)

EXECUTIVE STANDARD:
NACE RP0394/0490 and etc.

Source :- https://www.uniasen.com/pipecoating

Pipe Fittings are Piping component that helps in Changes the direction of the flow such as elbows, tees. Changes the size of the pipe such as reducers, reducing tees. Connect different components such as couplings and stop the flows such as Caps.

FLANGES