ASTM8620H alloy steel is mainly used in the manufacture of gears in the engine and transmission system of small and medium-sized cars, tractors, and other vehicles. The steel has good hardenability and processability, and is suitable for use in engineering applications requiring high strength and high wear resistance. The following is a note on the properties and applications of ASTM8620H alloy steels:
ASTM8620H Chemical Composition:
Carbon c: 017～0.23
Silicon si: 015～0.35
Manganese mn: 060～0.95
Sulfur s : 0015
Phosphorus p : 0025
Chromium cr: 035～0.65
Nickel ni: 035～0.75
Copper cu: 030
Molybdenum mo: 015～0.25
ASTM8620H Mechanical Properties:
Tensile Strength B (MPa): 1176(120).
Elongation δ5 : 9
Section shrinkage 45
Impact toughness value kv (j cm2): 78(8).
Characteristics of ASTM8620H alloy steel: Good hardenability: After proper heat treatment, ASTM8620H alloy steel can achieve a good hardening effect, which can improve the wear resistance while ensuring hardness.
Excellent processability: The steel is easy to heat work and machine, which is convenient for manufacturing parts with complex shapes and improving production efficiency.
ASTM8620H Alloy Steel Application Field: Small and Medium-sized Automobile Engine Gear Manufacturing: Used in the manufacture of gear components that assume the function of rotational transmission in automobile engines, providing high strength and wear resistance.
Tractor transmission system gear manufacturing: It is suitable for manufacturing gears in tractor transmission system to ensure transmission efficiency and stability.
Other auto parts manufacturing: In addition to gears, it can also be used to manufacture other high-load and high-speed moving parts, such as shock absorber parts, etc.
The hardenability and machinability of ASTM8620H alloy steel make it an ideal material choice for the manufacture of engine and transmission system gears for small and medium-sized automobiles, tractors, and other vehicles. Its excellent characteristics can meet the requirements for component strength and wear resistance in high-load, high-speed motion environments, and provide important support for vehicle reliability and performance.
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