Hot Rolled Steel Coils

Hot-Rolled Steel for General Structures

General structural steel and welding structural steel are used in the construction of steel structures, bridges, ships and automobiles.

• JIS : SS330, SS400, SS490, SS540, SM400A, B, C,SM490A, B, C, SM400YA,YB, SM520B, C, SM570
• - ASTM : A36, A283, A570
• - BS : BS1449 PART1 50/35HR, HS, BS4360 43A, B, C, 50B, C
• - DIN: DIN17100 ST22, ST33, ST37-2, ST52-3, RST37-2

Hot-Rolled Steel for Gas Cylinders

This steel, which have high strength and good formability, is used in high-pressure gas container with less than a 500l inner capacity containing LPG, acetylene and other high-pressure gases.

• JIS : SG255, 295, 325, 365
• ASTM : A455

Steel for cold-rolled steel

This steel is used to manufacture cold rolled steel, galvanized steel and electro galvanized and color steel sheet.

• SAE : SAE1006-1055

Atmospheric Corrosion Resistant Steel

This type of steel enhances in both corrosion and atmospheric corrosion resistant properties, adding such special elements as P, Cu, and C, and is used in the manufacturing of containers, special automobiles and construction structures.

• POSCO : PAWS50
• JIS : SPA-H

Steel for Casting and Tubing of Oilwell Pipes

This type of steel is characterized by a strict quality of high strength, extremely low temperature toughness, excellent weldability and fracture resistance, and is used in drilling and producing in severely cold areas, or for deep sea oilwells.

• API : 5G-J55, K55, N80, P110

Hot-Rolled Steel for Hull Structures

This steel has received approval for its manufacturing process from overseas classification societies. A, B, and D grade products are used in shipbuilding and are excellent in weldability and shock resistance.

• Classification Society Standards : KR-RA, RB, AB-A, LR-A, B, NK-KA, NV-A

Hot-Rolled Steel for Automobile Structural Uses

This high-strength steel has a good weldability and is used in automobile frames, members, and wheel disks.

• POSCO : ATOS55, 60, 80 AUTOBEAM, STAB
• JIS : SAPH310, 370, 400, 440, SPFH540, 590
• ASTM : A715-40, 45, 50, 55, 60, 65, 70, 80