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Square Steel Bar
Solid square steel bar with straight edges, uniform section, and strong torsional capacity for machinery parts, frames, supports, forged components, and construction fittings.
Material:
Q235B, Q355B, Q355ND; ASTM A36/A572 Gr50; EN S235JR/S355JR/S355NL; JIS SS400/SM490; Russian St3sp/St20/09G2S/16GS
Standards:
GB/T 704, GB/T 700, GB/T 1591; ASTM A36/A572/A240/A480; EN 10058/EN 10025; JIS G3101; GOST 103/GOST 380/GOST 19281
Side Length:
10-120 mm full specification range
Length:
Common 6 m fixed length; cutting and cold-drawn bright processing available
Surface:
Hot-rolled black square bar; polishing and galvanizing available
Product Features
- Hot-rolled solid square forming provides regular edges, uniform section, and strong torsional strength.
- Q235B, 45#, and alloy grades are available for turning, milling, bending, and machining.
- Standard tolerance and flat ends support cutting, drilling, welding, and heat-treatment processing.
- Solid square structure offers excellent stability for mechanical components and load-bearing frames.
Common Specifications
- Material: Q235B, Q355B, Q355ND; ASTM A36/A572 Gr50; EN S235JR/S355JR/S355NL; JIS SS400/SM490; Russian St3sp/St20/09G2S/16GS
- Standards: GB/T 704, GB/T 700, GB/T 1591; ASTM A36/A572/A240/A480; EN 10058/EN 10025; JIS G3101; GOST 103/GOST 380/GOST 19281
- Side Length: 10-120 mm full specification range
- Length: Common 6 m fixed length; cutting and cold-drawn bright processing available
- Surface: Hot-rolled black square bar; polishing and galvanizing available
Applications
- Machine bases, shaft blanks, molds, and fastening raw materials
- Guardrail posts, brackets, load-bearing frames, and embedded parts
- Engineering-machinery and automotive forged component stock
- Equipment supports, anti-theft frames, and reinforcement connectors
