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YongYang: Trusted Mild Steel Round Bar Supplier for Precision Engineering
YongYang specializes in manufacturing Hot Rolled Round Steel Bars, produced through precision high-temperature rolling for optimal mechanical properties. Our bars feature uniform circular cross-sections, superior strength, and exceptional surface finish – ideal for demanding industrial applications.
BRAND: YONGYANG
1)Alloyed round bar/ Bearing steel bar Steel Grade: 20CrMnTi, 400Cr,420CrMo,YY9SICr-1, GCr15
2)High quality carbon round steel Steel Grade: 45#, 65Mn
3) High quality carbon steel, low alloy high strength steel, alloy steel, medium and high pressure boiler tubes, round steel for oil casing Steel Grade: 20#, 45#, 37Mn5, 27SiMn, Q255B, 37Mn, 15CrMo, 36Mn2V
| Steel Grade | Diameter Range (mm) | Standard | Tensile Strength (MPa) | Yield Strength (MPa) | Key Applications |
| Alloy Steel Hot Rolled Round Steel Bar | |||||
| 20CrMnTi | 20-300 | GB/T 3077 | 950-1100 | ≥750 | Automotive gears, shafts |
| 420CrMo | 20-300 | GB/T 3077 | 1000-1200 | ≥800 | High-stress machinery |
| Bearing Steel Hot Rolled Round Steel Bar | |||||
| GCr15 | 20-150 | GB/T 18254 | 850-1000 | ≥550 | Bearings, rollers |
| YY9SICr-1 | 20-200 | YongYang Custom | 900-1100 | ≥700 | Precision tools |
| Carbon Steel Hot Rolled Round Steel Bar | |||||
| 45# | 20-300 | GB/T 699 | 600-800 | ≥355 | Shafts, bolts |
| 65Mn | 20-250 | GB/T 699 | 800-1000 | ≥500 | Springs, blades |
| Specialized Grades Hot Rolled Round Steel Bar | |||||
| 15CrMo | 20-280 | GB/T 3077 | 450-600 | ≥280 | High-temperature boilers |
| 37Mn5 | 50-300 | EN 10216-2 | 700-900 | ≥500 | Oil casing, pipelines |
Notes:
- Length: Standard 6-12m; custom lengths available.
- Surface: Scale-free, smooth finish; tolerances ±0.1-0.5mm.
- Certifications: ISO 9001, SGS, mill test reports provided.
Industry-Leading Applications
Versatile Hot Rolled Round Steel Bars serve critical sectors:
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Automotive: Axles, gears (e.g., 20CrMnTi alloy steel)
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Machinery: Hydraulic components, bolts (e.g., 45# carbon steel)
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Bearings/Precision: Rollers, ball bearings (e.g., YY9SICr-1)
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Energy: Drilling equipment, boiler tubes (e.g., 15CrMo)
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Construction: Structural supports (e.g., Q255B mild steel)
YongYang's Competitive Advantages
Uncompromising Quality Excellence
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Rigorous QA/QC: Spectrometer analysis, ultrasonic testing, and mechanical verification
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Full compliance with GB/T, EN, and ASTM standards with traceable sourcing
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Precision-engineered Hot Rolled Round Steel Bar consistency
Advanced Manufacturing Capabilities
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Automated hot-rolling mills with real-time temperature control
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Custom heat treatment (quenching/tempering) for enhanced durability
Comprehensive Product Range
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15+ steel grades including carbon steel and Hot Rolled Alloy Steel Round Bar
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Exclusive YongYang alloys (e.g., YY9SICr-1 bearing steel)
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Diameters: 20mm–300mm (bulk/custom orders)
Global Supply Chain Reliability
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Competitive MOQs (from 5-ton batches)
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15–30-day lead times with FOB/CIF logistics
Why Partner with YongYang?
Leverage our 25+ years of metallurgical expertise for mission-critical components. We deliver rigorously tested Hot Rolled Round Steel Bars that outperform industrial demands with unmatched consistency. Contact our engineering team today for technical specifications or quotes – your trusted global supplier for premium round steel solutions.