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| Property | Parameter | Description |
|---|---|---|
| Product Name | 20CrMnTi Alloy Steel Bar | Case-hardening alloy steel for high-strength applications |
| Material Grade | 20CrMnTi / AISI 5120 / EN 18CrMnTi7-4 | International grade equivalents |
| Standard Compliance | GB/T 3077, ASTM A304, EN 10084 | Meets major international standards |
| Carbon (C) | 0.17-0.23% | Controlled carbon for case hardening |
| Chromium (Cr) | 1.00-1.30% | Enhances hardenability and wear resistance |
| Manganese (Mn) | 0.80-1.10% | Improves strength and toughness |
| Titanium (Ti) | 0.04-0.10% | Grain refinement and nitride formation |
| Silicon (Si) | 0.17-0.37% | Deoxidizer and strengthener |
| Phosphorus (P) | ≤0.035% | Controlled for ductility |
| Sulfur (S) | ≤0.035% | Low sulfur for improved machinability |
| Tensile Strength | ≥835 MPa | Minimum tensile strength after heat treatment |
| Yield Strength | ≥540 MPa | Minimum yield strength |
| Elongation | ≥10% | Ductility in 50mm gauge length |
| Hardness (Core) | 28-34 HRC | Core hardness after quenching and tempering |
| Surface Hardness | 58-62 HRC | After carburizing and quenching treatment |
| Diameter Range | 10mm - 300mm | Available round bar diameter options |
| Length | 3m - 12m or custom | Standard and custom lengths available |
| Heat Treatment | Carburizing, Quenching, Tempering | Recommended heat treatment process |
| Application | Gears, shafts, camshafts, automotive parts | High-strength transmission components |
| Certification | ISO 9001, EN 10204 3.1 | Quality certifications provided |
| Surface Finish | Black, Peeled, Polished, Machined | Multiple surface treatment options |
| MOQ | 5 tons | Minimum order quantity |
Superior Material for High-Load Gear Applications
Procured 10.5 tons of 20CrMnTi alloy steel bars in 65mm and 90mm diameters for heavy equipment transmission gears. Continuous casting quality evident - inclusion rating Grade A per ASTM E45. Manganese at 1.18% and chromium at 1.22% provided optimal hardenability for our 50mm section thickness requirements. After carburizing and oil quenching, achieved bending fatigue strength exceeding 580 MPa in tooth root testing. Supplier provided complimentary consultation on carburizing atmosphere control - carbon potential recommendations proved accurate. Delivery 8 days, three days ahead of schedule. Exceptional technical support differentiates this supplier.
Procured 10.5 tons of 20CrMnTi alloy steel bars in 65mm and 90mm diameters for heavy equipment transmission gears. Continuous casting quality evident - inclusion rating Grade A per ASTM E45. Manganese at 1.18% and chromium at 1.22% provided optimal hardenability for our 50mm section thickness requirements. After carburizing and oil quenching, achieved bending fatigue strength exceeding 580 MPa in tooth root testing. Supplier provided complimentary consultation on carburizing atmosphere control - carbon potential recommendations proved accurate. Delivery 8 days, three days ahead of schedule. Exceptional technical support differentiates this supplier.
