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C45 carbon steel seamless tube

1020 Carbon Steel Seamless Tube

Workhorse low-carbon grade balancing strength, weldability and low cost for general engineering, ideal for standard structural tubing and low-stress shafting.

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

The current US standard grade for wide-flange structural beams, offering higher guaranteed yield than A36, ideal for building frame beams and bridge girders.
The lowest-carbon commercial grade, offering maximum ductility and excellent cold-formability, ideal for fencing and welding wire and nails and fasteners.
Low-carbon mild steel with excellent deep-drawing and cold-forming characteristics, ideal for deep-drawn stampings and enclosures and brackets.
The European standard non-alloy structural steel with guaranteed impact toughness (27J at 20C), ideal for structural welded pipe and construction framing.
The global-standard structural carbon steel plate grade, valued for weldability and consistent strength, ideal for structural fabrication plate and bridge and building steelwork.

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