Mechanical Properties

Condition	Yield Strength (σ₀.₂, MPa)	Tensile Strength (σb, MPa)	Elongation (δ₅, %)	Hardness (HB)
As-Rolled	≥390	650–800	≥13	≤217
Normalized	≥410	715–900	≥11	217–269
Quenched + Tempered	≥685*	≥930*	≥9*	285–321*

 

 

 

 

 

Applications

Mechanical Components:

Gears, shafts, and axles in machinery, automobiles, and tractors (moderate load-bearing applications).

Spring elements (e.g., flat springs, small coil springs) due to its ability to retain elasticity after heat treatment.

Wear-resistant parts: Rollers, guide rails, and agricultural machinery components (e.g., plowshares).

Tooling:

Non-critical tools like punches, dies, or small cutting tools (when heat-treated to high hardness).

Structural Uses:

High-strength bolts, studs, and connecting rods in industrial equipment

 

Surface Treatment

Anti-Corrosion:

Shot blasting (Sa2.5) followed by painting, electroplating (zinc/nickel), or black oxide coating for atmospheric protection.

Wear Enhancement:

Nitriding (for surface hardness up to 1000 HV) or induction hardening for critical contact surfaces.

 

Why Choose Us?
We take pride in our ability to provide custom solutions for our customers' unique needs.
We analyze and compare the previous products and the current technical situation of our 1kg Steel 50Mn, and develop new technical specifications and processes.
Our customers trust us to deliver high-quality Cold-rolled Steel products on time and on budget.
We strictly implement the warm and thoughtful after-sales service, adhere to the development of good professional ethics.
We offer a wide range of Cold-rolled Steel products to meet diverse customer needs.
We adhere to the customer-centric and brand-oriented business philosophy, and continue to provide customers with reliable and excellent products and services.
Our factory is committed to upholding the highest standards of safety and quality.
All staff of our company and all departments work together to combine business management, professional technology, quantitative statistical methods and ideological education.
Our Cold-rolled Steel products are known for their durability and reliability.
Relying on the superior conditions and strong advantages of mass production, we are able to meet the different needs of our customers.

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