AISI 1045 / SAE 1045 Steel Square Bar / En8 C45 S45c Hot Rolled Solid Square Flat Rectangle Special Steel Bar

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Product Description

Basic Specifications

Model NO.
EN8 C45 S45c 1045
Sizes
20X20-150X150
Length
2-6m or as Required
MOQ
3tons
Main Grade
Ss400 A36 1020 1045 4140 40cr
Material
Carbon Steel C45
Type
Square Steel
Standard
GB, ASTM, DIN, JIS, AISI, BS
Steel Type
Carbon Structural Steel
Forming
Hot-Rolled Steel
Specification
5*5mm-80*80mm
Origin
China
Production Capacity
3000tons/Month

SAE 1045 Steel Square Bar Overview

Hot rolled square bars are produced by hot rolling continuous casting billets. Usually, they have a square cross-section with sharp and round edges and are intended either to be further machined or cold drawn.

1. Hot Rolled Steel Square Bar Sizes:

  • Side sizes: 10X10 to 150X150 MM
  • Length: 1-8 Metal or as required
  • R corner: Sharp or round corner as per requirements
  • Straightness: max 3mm/m

2. Key Applications:

  • Building, automobile, shipbuilding, petrochemical, and machinery.
  • Medicine, food, electric power, energy, space, and decoration.
  • Mould templates, mortise pins, and structural columns.
  • Connecting rods, bolts, wheel gears, and shaft parts.
Steel Square Bar Display
Hot Rolled Steel Packing

Technical Parameters

3. Packing Details:

  • Surface anti-rust oil protection.
  • Bundle packing by Iron Strips.
  • Bundle weight: 2mt to 3 mt.
  • Detailed identification tags on each bundle.

4. Equivalent Grade & Chemical Composition (SAE 1045, S45C)

Standard Grade C Si Mn P S
GB/T699450.42-0.50.17-0.370.5-0.80.0350.035
JIS G4051S45C0.42-0.480.15-0.350.6-0.90.030.035
ASTM A29/A29M10450.43-0.50.15-0.350.6-0.90.040.05
EN 10083-2C45E/1.11910.43-0.50.40.5-0.80.030.035

5. Mechanical Properties

Property Value (min)
Tensile Strength(Mpa)600
Yield Strength(Mpa)355
Elongation16
Shrinkage40
Akv(J)39

Commercial Terms

Payment terms: T/T (30% deposit, 70% against B/L copy) or 100% irrevocable L/C at sight.

MOQ: 3 Tons

Delivery time: 7-30 days upon order details.

Trade terms: FOB, CFR, CIF, EXW.

Marking: Includes steel material, heat No., pieces, weight, and production date.

Steel Bar Inventory
Quality Control Square Steel

Frequently Asked Questions

What is the standard size range for your square bars?
We offer side sizes ranging from 10x10mm up to 150x150mm, with lengths typically between 1 to 8 meters.
What grades of steel are available?
The main grades include SAE 1045, C45, S45C, SS400, A36, 1020, 4140, and 40cr.
How is the steel protected against rust during shipping?
Each bar is coated with protective anti-rust oil on the surface and bundled securely with iron strips.
What is the minimum order quantity (MOQ)?
The minimum order quantity for our hot rolled square steel bars is 3 tons.
How long is the delivery lead time?
Delivery usually takes between 7 to 30 days, depending on the specific requirements and order volume.
What international standards do these products meet?
Our steel bars comply with major international standards including GB, ASTM, DIN, JIS, AISI, and BS.

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