ASTM8640 alloy steel has good impact toughness and wear properties, and is suitable for the production of various mechanical parts and workpieces. The following is a more detailed description of the properties and wide applications of ASTM8640 alloy steels:
ASTM8640 Chemical Composition:
Carbon c: 030~0.40
Silicon si: 017~0.37
Manganese mn: 050~0.80
Phosphorus p: 0030
Sulfur s: 0035
Chromium cr: 070~1.10
Nickel ni:275~3.75
Molybdenum mo: 040~0.60
ASTM8640 Mechanical properties of steel forgings:
Tensile strength b(mpa): 880
Yield Strength s(mpa): 735
Elongation δ5 (%)15
Work of shock absorption aku(j): 63
Hardness (HB): 270 315
b300(mpa)：≥795
s300(mpa)：≥540
Characteristics: Impact toughness: ASTM8640 alloy steel has excellent impact toughness, which can maintain stable performance when subjected to shock or vibration without being easy to break. This makes it ideal for use in applications where resistance to shock loads is required.
Wear properties: ASTM8640 alloy steel has good wear properties, which can reduce wear on the contact surface and extend the service life of parts. This makes it particularly suitable for applications subjected to high friction and abrasion.
Applications: Due to its properties, ASTM8640 alloy steel is widely used in many fields, including but not limited to the following:
Aerospace industry: ASTM8640 alloy steel is commonly used in the manufacture of aero engine parts, aircraft chassis, aircraft structures, and other aerospace equipment. Its impact toughness and wear properties allow it to withstand extreme loads and conditions in the aerospace industry.
ASTM8640 alloy steel is also widely used in the manufacture of high-strength mechanical parts, such as crankshafts, rocker arms, transmission parts, etc. Its impact toughness and wear properties allow it to cope with the high loads and demands of automotive work.
Construction machinery: ASTM8640 alloy steel is commonly used in the manufacture of construction machinery parts, such as excavators, bulldozers, cranes, etc. Its excellent impact toughness and wear properties enable it to perform well in the harsh working conditions of construction machinery.
In summary, ASTM8640 alloy steel has good impact toughness and wear properties, and is widely used in the manufacture of aviation, automobile, construction machinery, ships, and other high-strength mechanical parts and structures.
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