BRISK STEEL FOCUS ON PRODUCE AND SUPPLY HOLLOW SECTION AND STEEL PIPE

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JIS G 3101 SS400 HOLLOW STRUCTURAL SECTION


SS400 is a general-purpose carbon structural steel under the JIS G 3101 standard, with a core advantage of 400 MPa tensile strength, good weldability/ machinability, and low cost. It is widely used in non-critical structures such as buildings, machinery, and bridges, and is the global mainstream equivalent grade to Q235B, S235JR, and A36.

ASTM A500 GR.B HOLLOW STRUCTURAL SECTION


ASTM A500 GR.B is the most commonly used cold-formed welded structural steel pipe in North America, with moderate strength, good weldability/formability, and high cost performance, widely used in construction, bridges, and mechanical structures.

ASTM A1085 Gr.A HOLLOW STRUCTURAL SECTION


ASTM A1085 is a standard specifically for cold-formed welded carbon steel hollow structural sections (HSS), with only a single unified steel grade (Grade A). Its core features are a controlled yield strength range of 345–485 MPa, clear impact toughness requirements, and strict dimensional tolerances, designed specifically for seismic, bridge, and other dynamically loaded structures.