SACM645
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SACM645

SACM645 Nitriding Steel

Products Description This particular steel grade is composed of a carefully selected combination of alloying elements. It contains elements such as aluminum (Al), which plays a crucial role in promoting the formation of a hard and stable nitrided layer during the nitriding treatment. The...

Description
Products Description

 

 

Steel Grade C Si Mn P S Al Cr Mo
SACM645 0.40-0.50 0.15-0.50 <0.60 <0.030 <0.030 0.70-1.20 1.30-1.70 0.15-0.30


 

Equivalent steel JIS AISI DIN GB
  SACM645 7140 41CrAlMo7 38CrAlMo


 

Normalization Annealing Quenching Tempering
900 Air Cooling 750-850 Furnace Cooling 880-930 Oil Cooling 680-720 Quick Cooling


 

Yielding Strength (kgf/mm²) Tensile Strength (kgf/mm²) Elongation (%) Section reduction (%) Charpy Hardness (HBW)
>70 85 >15 >50 >98 241~302

 

This particular steel grade is composed of a carefully selected combination of alloying elements. It contains elements such as aluminum (Al), which plays a crucial role in promoting the formation of a hard and stable nitrided layer during the nitriding treatment. The presence of chromium (Cr) contributes to improved corrosion resistance, ensuring that the steel can withstand various corrosive environments. Additionally, other alloying elements work in synergy to enhance the overall mechanical properties of the steel, including its strength and toughness.
The manufacturing of SACM645 - JIS nitriding steel demands precision and advanced techniques. It typically undergoes processes like precision casting or forging to achieve the desired shape and microstructure. Stringent quality control measures are implemented throughout the manufacturing process to guarantee that the steel meets the exacting standards set by the JIS. This ensures consistent quality and reliable performance, which are essential for its applications in various industries.

JIS SNC836 SteeAh36 Hot Rolled Marine Shipbuilding Steel Plate
When it comes to applications, SACM645 - JIS nitriding steel is widely utilized in the production of high-performance mechanical components. For instance, it is commonly used in the manufacturing of gears, shafts, and bearings that require excellent surface hardness and wear resistance to operate efficiently and have a long service life. In the automotive industry, it is employed in critical engine parts and transmission components to enhance their durability and performance under demanding operating conditions. In the aerospace field, it is used in components that need to withstand high stresses and abrasive environments, such as landing gear parts and turbine components.
The nitriding process applied to this steel not only improves its surface properties but also provides a case-hardened layer that offers enhanced resistance to fatigue, wear, and corrosion. This makes it an ideal choice for applications where reliability, durability, and high performance are of utmost importance. Moreover, the combination of its unique composition and the benefits of nitriding gives SACM645 - JIS nitriding steel a distinct advantage in industries where precision engineering and quality are paramount.
In conclusion, SACM645 - JIS nitriding steel is a valuable material that plays a crucial role in modern industry. Its specific properties and compliance with the JIS standards make it an essential component for a wide range of applications. Continued research and innovation in the field of nitriding steels are likely to further optimize its performance and expand its application scope, contributing to the advancement of technology and the improvement of product quality across different sectors, and enabling the development of more efficient and reliable engineering solutions.

 

 

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