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AISI 420c Stainless Steel Ball Main Performance Introduction Mar 23, 2018

The AISI 420c stainless steel ball is made of 420 "cutter grade" martensitic steel. In comparison, AISI 420c stainless steel ball has a certain wear resistance and corrosion resistance, high hardness, suitable for stainless steel common working environment.

 

From the actual application situation, the current AISI 420c stainless steel ball can be applied to all kinds of precision machinery, bearings, electrical, equipment, instruments, meters, transportation tools, household appliances and so on. It is usually used to make parts that are resistant to atmospheric, water vapor, water and oxidizing acids.

 

Chemical composition analysis of AISI 420c stainless steel balls:

The AISI 420c stainless steel ball contains many elements. In addition to the main iron elements, it also includes carbon C: 0.16~0.25; manganese Mn: 1.00; silicon Si: 1.00; chromium Cr: 12.0~14.0; nickel Ni2: 0.75; phosphorus P: 0.04 sulfur S: 0.03 and so on. In addition, some types of austenitic stainless steels must have a slightly higher nickel content than the values shown in the table when used in certain pipe making processes.

 

AISI 420c stainless steel ball performance introduction:

The product's hardness reaches 51-52 degrees, magnetic, and has a certain degree of corrosion resistance and toughness. Common product specifications mainly include Φ2.0-Φ25.4. At present, this product is generally used in industries that require high precision and anti-rust performance: motorcycle accessories, pulleys, stainless steel bearings, plastic bearings, handicrafts, valves, and oil. It belongs to the representative of martensitic steel, commonly known as stainless iron, magnetic, with good rust resistance, high hardness HRC50-55.

 

AISI 420c stainless steel ball mechanical properties introduced:

Tensile strength σb (MPa): quenched and tempered, 635

Conditional yield strength σ0.2 (MPa): quenched and tempered, 440

Elongation δ5 (%): quenched and tempered, 20

Section shrinkage ψ (%): Quenching and tempering, 50

Impact work Akv (J): quenched and tempered, 63

Hardness: Annealed, 223HB; quenched and tempered, 192HB

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