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The 1050 Carbon Steel, equivalent to AISI 1050 and S50C, is a premium medium-carbon steel known for its exceptional structural integrity. Containing approximately 0.50% carbon, it provides significantly higher strength and mechanical hardness than standard S45C grades, although with slightly reduced ductility. This material is highly valued for its excellent machinability and stable response to various heat treatments. While the carbon content limits its weldability, it easily attains a robust, wear-resistant surface through induction or flame hardening, typically reaching a hardness of HRC 55-60. It is an optimal choice for high-stress mechanical components.
Production Route: | Forged or Hot Rolled |
Heat Treatment: | Hot rolled or Normalized |
Hardness: | acc. to customer requirement |
UT Standards: | Sep 1921 Class3 C/c to D/d |
Surface Condition: | Black surface or machined |
Size Range: | |||
Flat | Round | ||
Forged | Thickness: | 150-650mm | Φ200-700mm |
Width: | 400-1600mm | ||
Rolled | Thickness: | 12-250mm | Φ12-250mm |
Width: | 150-2300mm | ||
Chemical Composition | C | Si | Mn | Cr | P | S | Ni | Cu |
50 | 0.47~0.55 | 0.17~0.37 | 0.50~0.80 | ≤0.25 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.25 |
1050 | 0.48~0.55 | 0.15~0.35 | 0.60~0.90 | ≤0.25 | ≤0.04 | ≤0.05 | ≤0.25 | ≤0.25 |
S50C | 0.47~0.53 | 0.15~0.35 | 0.60~0.90 | ≤0.20 | ≤0.03 | ≤0.035 | ≤0.20 | ≤0.20 |
Our 1050 Carbon Steel delivers superior structural integrity for demanding applications. Through specific heat treatments like normalizing or hot rolling, it achieves remarkable mechanical strength and toughness. When subjected to induction or flame hardening processes, the surface hardness can be significantly elevated, reaching up to HRC 55-60. This guarantees long-lasting durability and exceptional wear resistance, even when deployed in high-stress, continuous-use industrial environments.

This medium-carbon steel is highly favored across industries for its stable processing characteristics. The excellent machinability of our S50C Structural Steel allows for precise and efficient turning, milling, and grinding operations. This workability reduces tooling wear and significantly shortens overall production cycles, offering a highly cost-effective and reliable material solution for manufacturing complex mechanical components and custom machinery parts.
To seamlessly meet diverse project requirements, our steel is available in multiple customizable surface conditions. Clients can choose from an economical black surface, or opt for turned, peeled, milled, and precision ground finishes for immediate processing. Furthermore, we perform strict ultrasonic testing according to Sep 1921 Class 3 C/c or D/d standards, guaranteeing internal soundness and absolute defect-free reliability for every delivered batch.
The consistent quality and balanced properties of our Carbon Structural Steel make it an ideal, highly cost-effective material for the global tooling industry. It is widely utilized by engineers for crafting standard mold bases, robust plastic injection mold frames, and durable die plates. This steel provides a stable, long-lasting foundation for high-precision molding operations without the excessive costs associated with premium tool steels.
In heavy industrial equipment, utilizing reliable and strong materials is absolutely critical for operational safety. Our steel is frequently forged and machined into high-load spindles, heavy-duty axles, industrial rollers, and sturdy drive shafts. Its excellent surface wear resistance and core strength ensure these critical components can withstand continuous operational friction and endure immense mechanical pressures over extended lifespans.
The stable structural properties and uniform composition of this steel make it perfect for general mechanical engineering and assembly. It remains a preferred choice for manufacturing heavy-duty gears, reliable transmission pins, sturdy connecting rods, and hydraulic clamps. These precision parts directly benefit from the material's structural integrity and its proven ability to endure significant mechanical stress without premature failure.
ShengHe Metal proudly operates from the expansive Hubei Zhongye Mill, a facility spanning 1.6 million square meters. We utilize highly advanced metallurgical equipment, including a 40-ton EBT furnace, multiple ESR furnaces, and heavy forging presses ranging from 1,600 to 5,000 tons. This comprehensive, vertically integrated in-house industrial chain guarantees a consistent material supply while strictly controlling overhead costs for our clients.
Ensuring uncompromised quality is our core operational commitment. We maintain a fully equipped, independent laboratory staffed by experienced engineers to perform exhaustive chemical, mechanical, and ultrasonic material testing. Our rigorous four-step quality control procedure covers everything from pre-production scheduling to a final, thorough pre-shipment inspection in our warehouse, ensuring every single batch strictly meets your exact international specifications.
Leveraging over 15 years of dedicated global steel export experience, we deeply understand your unique regional market demands. We proactively maintain a regular inventory of approximately 3,000 tons to handle urgent, short-notice requests promptly. Furthermore, our dedicated in-house machining facility and mold component plant offer fully integrated solutions, effectively streamlining your entire supply chain and procurement process.
We supply this material in various conditions, including black surface, turned, peeled, milled, and precision ground finishes, allowing you to select the exact specification needed for your processing requirements.
Our minimum order quantity for each order is approximately 25 tons, which equals one standard shipping container. Clients have the flexibility to mix different types of steel to reach this volume.
Yes, we provide free material samples for our clients to verify quality. Please note that the express shipping costs for these samples will need to be covered by the customer.
We utilize a strict four-step quality control process supported by our independent laboratory. All products undergo comprehensive pre-shipment inspections and ultrasonic testing before container loading to ensure consistent excellence.




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