This table outlines the core specifications of 45# Angle Steel 120x120mm, a medium-carbon steel profile valued for its balanced strength, machinability, and cost-effectiveness. Its 120x120mm equal-leg design makes it ideal for heavy-duty structural roles requiring reliable load distribution.
Never stop the technological innovation,more than 50 patents, so that every piece of Products becomes the masterpiece.From consulting to after-sales support, theall-weather, all-process, all-round, whole-hearted service system will Escort for you.
Product details
| Parameter | Value/Description | Unit | Remarks |
|---|---|---|---|
| Material | 45# (Medium-Carbon Structural Steel) | — | Chemical Composition: C 0.42–0.50%, Si 0.17–0.37%, Mn 0.50–0.80%, P ≤0.035%, S ≤0.035% |
| Section Size | 120×120 | mm | Equal-leg angle, both legs 120mm |
| Thickness Options | 10/12/14/16/18 | mm | Standard available thicknesses |
| Weight per Meter | 18.2/21.6/25.0/28.3/31.5 | kg/m | Corresponding to 10/12/14/16/18mm thickness |
| Length | 6000–12000 (Customizable) | mm | Standard 6m/9m; cut-to-order available |
| Cross-Sectional Area | 23.117 (10mm) | cm² | Example value; varies with thickness |
| Tensile Strength (As-rolled) | 600–750 | MPa | Typical range at room temperature |
| Tensile Strength (Heat-treated) | ≥630 | MPa | Minimum after quenching and tempering |
| Yield Strength (Heat-treated) | ≥355 | MPa | Minimum after quenching and tempering |
| Elongation (δ5) | ≥16 | % | Minimum at room temperature (as-rolled) |
| Hardness (As-rolled) | 197–241 | HBW | Brinell hardness range |
| Hardness (Heat-treated) | 22–28 | HRC | Achievable range via quenching + tempering |
| Impact Toughness (αk) | ≥39 | J/cm² | Minimum at room temperature (heat-treated) |
| Heat Treatment | Quenching (840°C, water cooling) + Tempering (600°C, air cooling) | — | Optional process to enhance strength/toughness |
| Manufacturing Standard | GB/T 699-2015 | — | Compliant with Chinese standard for high-quality carbon structural steels |
| Surface Treatment | Mill finish (black) / Paint coating / Zinc plating | — | Custom finishes available for corrosion protection |
| Typical Applications | Machinery frames, structural bracing, gear blanks, connecting rods, heavy-duty brackets | — | Suitable for medium-load structural and mechanical components |
Packing and shipping
Factory information
Product certificate
Our 400mm diameter Round Billet is manufactured from premium 20CrMnTi alloy steel,
This parameter table comprehensively presents the essential technical details of Q235 Angle
The Small Square Billet 100x100mm Q235B is a reliable carbon structural steel
