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CONSTRUCTION

With our advanced pipe-making, plating, and post-processing facilities and stringent quality control, we supply the highest quality steel pipes to a wide range of construction industries, from building foundations for water, gas, and electrical lines to structural steel pipes for onshore and offshore structures and piles for plants.

Stainless steel pipe

Welding method : EFW (GTAW, PAW, SAW etc.)

Forming method : Roll Forming, Press Bending, Roll Bending

Production specification : KS, JIS, ASTM, ASTM A312, A358, A409, A790, A928

Production steel grade : 300 series, DUPLEX

Product uses : Semiconductor factories, water and sewage facilities of apartment and commercial facilities, food manufacturing plants, etc.

General Pipe

Welding method : ERW

Forming method : Roll Forming

Production specification : KS D3507, JIS G3452

Production steel grade : SPP, SGP

Product uses : Typical pipe applications including steam, water, oil, gas, and air, with low working pressure.

Pressure Pipe

Welding method : ERW

Forming method : Roll Forming

Production specification : KS D3562, JIS G3454

Production steel grade : SPPS, STPG

Product uses : For pressure pipe at temperatures below 350°C Applied to ERW welded steel pipe

Conduit

Welding method : ERW

Forming method : Roll Forming

Production specification : KS C8401 G16-G104

Production steel grade : Hot-dip galvanized rigid steel conduit

Product uses : Applied to rigid steel conduits used in electrical wiring to protect wires.

Fuel Gas Pipe

Welding method : ERW

Forming method : Roll Forming

Production specification : KS D3631

Production steel grade : SPPG

Product uses : Applied to gas supply pipe, pipe for fuels, such as city gas and liquefied petroleum gas, and general pipe (straight and fittings)

For Structure

Welding method : ERW, SAW

Forming method : Roll Forming, Press Bending

Production specification : KS D3566, JIS G3444, KS D3777, JIS G3474, KS D3632

Production steel grade : SGT, STK, SHT, STKT, SNT

Product uses : For civil engineering, architecture, pylons, and other structures

Steel Pipe Pile

Welding method : ERW, SAW

Forming method : Roll Forming, Spiral Forming

Production specification : KS F4602 ,KS F4605 , ASTM A252

Production steel grade : Y.P min. Standard-specific regulations, such as Class 275 to Class 550

Product uses : Foundations of buildings, bridges, etc., harbor and river structures