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1045 carbon steel square bar

1045 Carbon Steel Square Bar

The most widely used medium-carbon engineering grade, responsive to induction hardening, ideal for gears and sprockets and hydraulic cylinder rod.

Product Specifications

COMMON APPLICATIONS

Structural carbon steel for bridge construction

Large steel structure

Steel box girder, long-span truss

High‑strength carbon steel for shipbuilding industry

Shipbuilding steel plate

Hull section, deck

Carbon steel pipe for oil and gas transmission pipeline

Oil & gas pipeline

Large-diameter welded & seamless pipe

Carbon steel materials for building steel frames

High-rise steel frame

Skyscraper core tube

Quality Inspection & Certifications​

⚙️

Tensile Test

🔍

Hardness Test

💧

Corrosion Test

📏

Dimension Test

🧪

Chemical Analysis

📊

Elongation Test

Related Products

Medium-carbon steel hexagonal bar offering a balance of strength, hardness and machinability, suitable for fasteners, nuts, machined components and general engineering applications.
Upper medium-carbon spring-grade steel with good hardenability for flat and coil springs, ideal for agricultural tool components and flat springs.
The European-standard designation for 1045-equivalent medium-carbon steel used across EU machinery specs, ideal for hydraulic cylinder tube stock and machinery shafts.
The most widely used medium-carbon engineering grade, responsive to induction hardening, ideal for machinery shafts and hydraulic cylinder rod.
The most widely used medium-carbon engineering grade, responsive to induction hardening, ideal for machinery shafts and gears and sprockets.

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