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SAE 1045 C45 S45c Carbon Steel Cold Drawn Hex / Round / Flat Steel Bar

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Product Description

Basic Specifications
Model NO.
SAE 1045 C45 S45c Carbon Steel Bar
Technique
Cold Drawn
Application
Structural, Tool, Die Steel Bar
Tolerance
H9 H10 H11
Straightness
Max 1mm/M
MOQ
2 tons Per Size
Steel Type
Round, Square, Hexagonal, Special Profile
HS Code
72149900
Production Capacity
3000 tons/Month
SAE 1045 Carbon Steel Bar
Product Description

All bars are cleaned by shot blasting before drawing, then pulled through a carbide die, straightened, saw cut to length, oiled, and shipped. Cold drawing results in a product with higher tensile and yield strength, smoother surface finish, and a closer size tolerance.

Processing Steps: EAF + LF + VD + Concasting Billets + Hot Rolled + Shot Blasting + (Annealing) + Cold Drawn + Oiling + Bundling + Both Ends Cutting + Packing + Marking
Factory Capabilities
Shapes Sizes Processing
Steel Round Bar 5mm to 63.5mm Cold Drawn
Steel Round Bar 63.5mm-120mm Smooth-turned and polished
Steel Square Bar 5*5mm to 120*120mm Cold Drawn
Steel Hex Bar 5mm to 120mm Cold Drawn
Advantages of Cold Drawn Steel Bar
Precision: Tighter tolerances which reduces machining losses.
Surface Quality: Improved surface finish reduces machining and improves quality.
Automation Friendly: Better straightness facilitates automatic feeding in CNC machines.
Enhanced Properties: Increased mechanical properties can reduce the need for hardening.
Advantages of cold drawn bar
Technical Specifications (SAE 1045)

1. Equivalent Steel Grade

GB ASTM JIS DIN BS NF
45# 1045 S45C C45 IC45 08047 C45

2. Chemical Composition (%)

C Si Mn Cr(≤) Ni(≤) Cu(≤)
0.42-0.5 0.17-0.37 0.6-0.9 0.25 0.3 0.25

3. Mechanical Properties (Cold Drawn)

Tensile Strength, Mpa Min 625
Yield Strength, Mpa Min 530
Elongation (%) 12
Brinell Hardness 179
Product Gallery
Steel Bar Details 1
Steel Bar Details 2
Steel Bar Details 3
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Steel Bar Details 5
Steel Bar Details 6
Frequently Asked Questions
What shapes are available for cold drawn steel?
We provide round, square, hexagonal, and special profile shapes to meet various industrial requirements.
What is the delivery time for these steel bars?
For stocked items, delivery takes approximately 7 days. For new production orders, the lead time is within 30 days.
How does cold drawing improve the steel?
Cold drawing increases tensile and yield strength, provides a smoother surface finish, and ensures much tighter size tolerances compared to hot rolling.
What are the equivalent grades for SAE 1045?
Equivalent grades include GB 45#, JIS S45C, DIN C45, and BS IC45.
What is the typical straightness tolerance?
Our cold drawn steel bars maintain a high straightness with a maximum deviation of 1mm/M (or 0.8mm/m depending on specific processing).
What are the common applications for SAE 1045 steel?
It is widely used as structural steel bars, tool steel bars, and die steel bars for various machinery and engineering projects.

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