1045 Carbon Steel Pipe

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1045 Carbon Steel Pipe
Details
1045 Carbon Steel Pipe is a medium carbon steel pipe manufactured according to ASTM, JIS, EN, and GB standards. It is mainly used for structural and power transmission pipes that withstand high mechanical loads.
Category
Carbon Steel Pipe or Tube
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Description

Introduction

 

1045 Carbon Steel Pipe is a medium carbon steel pipe manufactured according to ASTM, JIS, EN, and GB standards. It is mainly used for structural and power transmission pipes that withstand high mechanical loads. Typical applications include mechanical bushings, hydraulic pipes, and structural support pipes.

 

Specification

 

Parameter

Range / Options

Notes

Material Grade

1045 (Medium Carbon Steel)

Equivalent: C45, S45C, 1.1191

Outer Diameter

10mm – 1200mm

Custom sizes available

Wall Thickness

1mm – 100mm

Standard & heavy-wall options

Length

6m, 9m, 12m, or customized

Cut-to-length service

Yield Strength

≥ 310 MPa

Stable performance

Tensile Strength

570 – 700 MPa

High mechanical strength

Hardness (HB)

170 – 210 (annealed), higher after heat treatment

Wear resistance enhanced

Surface Finish

Black, Oiled, Polished, Galvanized

Corrosion protection available

Standards

ASTM, JIS, EN, GB

International compliance

 

Features

 

Medium Carbon Content

C content approximately 0.43–0.50% (standard median), yield strength ≥310 MPa and tensile strength 570–700 MPa in the annealed state, providing basic load-bearing capacity for mechanical structural components.

 

Wide Range of Cross-Section Sizes

Outer diameter 10–1200 mm, wall thickness 1–100 mm, standard and thick-walled tubes are available to meet design requirements for various stress and fluid transport scenarios.

 

Diverse Surface Finishes

Available for black, oiled, polished, and galvanized finishes to improve corrosion resistance or adapt to welding and machining processes.

 

Applications

 

Machinery Manufacturing Industry: Used in bushings, gear sleeves, and structural support tubes, providing load transfer and support functions in mechanical devices.

 

Hydraulics and Fluid Transportation Industry: Used in hydraulic pipelines and pneumatic fittings, providing fluid transport channels and withstanding internal pressure.

 

Building and Structural Engineering: Used in load-bearing support tubes and frame structural components, transferring loads in building and industrial structures.

 

Automotive and Transportation Industry: Used in transmission tubes, shock absorber bars, and chassis structural components, bearing dynamic forces during vehicle operation.

 

Product-Application

 

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FAQ

Q: Are 1045 pipes from different standards interchangeable?

A: Although ASTM, JIS, EN, and GB standards all have equivalent grades for 1045, their specific tolerances, chemical compositions, and mechanical properties differ. Design compatibility must be confirmed before interchangeability.

Q: Does the cut end face require treatment?

A: Cut pipe ends may have burrs or oxide layers. Deburring and rust prevention treatments should be performed, especially before welding or assembly, to ensure connection quality.

Q: Are long-term corrosion protection measures required?

A: In outdoor or humid environments, galvanizing or oiling, or a combination of painting and coating, is recommended to prevent rust from affecting the pipe's strength and lifespan.

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