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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.

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