Product Introduction

Square Steel Bar is designed for project supply. Solid square steel bar with straight edges, uniform section, and strong torsional capacity for machinery parts, frames, supports, forged components, and construction fittings.

 

Key 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.

 

Technical 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.

 

Ordering & Quality Documentation

For quotation, provide section type and designation, steel grade, nominal dimensions, lengths, applicable standard, surface treatment or processing requirements, quantity and delivery destination.

 

For project procurement, specify any required material test certificate (MTC), inspection report, certificate of origin or other shipment documentation in your inquiry. Document type, availability and applicability must be confirmed for the exact material grade, shipment and order; no blanket certification is implied.

 

Product FAQ

Q: Which details are needed for section procurement?

A: Provide the section designation, grade, dimensions, lengths, standard, finish and quantity.

 

Q: What should be checked for structural applications?

A: Confirm the section and material specifications against the project design and requested inspection documentation.

 

Request a Quote

Send MGTSP the required product specification, quantity and destination for a quotation. Any listed grades, processing options, inspection documents and delivery terms remain subject to order confirmation.