Grey Cast Iron SAE J431 Grade G2500 (UNS F10005)

Image of Iron SAE J431 Grade G2500 bars

SAE J431 Grade G2500 is a type of gray cast iron that is used in automotive applications. It has a high silicon content, which gives it good machinability and wear resistance.

Chemical Composition
ElementMinMax
IronRemainder
Carbon3.2%3.5%
Manganese0.60%0.90%
Phosphorus0.20%
Silicon2.0%2.4%
Sulfur0.15%

The following table provides a list of SAE J431 Grade G2500 properties in both SI and US customary/Imperial units.

Click on the icon to switch between Metric and Imperial units.

Table of SAE J431 Grade G2500 Properties
Physical Properties
Metric
Density7150 kg/m3
Mechanical PropertiesMetric
Tensile Strength (Ultimate)≥ 173 MPa
Brinell Hardness170 - 229
Knoop Hardness Converted from Brinell222
Vickers Hardness Converted from Brinell209

The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.

Advantages & Disadvantages of Iron SAE J431 Grade G2500

AdvantagesDisadvantages
Good castabilityLimited ductility and toughness
High wear resistanceLimited fatigue strength
Good machinabilitySusceptible to cracking under thermal shock
Good damping capacityLimited impact resistance
Cost-effectiveLow melting point

Applications of Iron SAE J431 Grade G2500

SAE J431 Grade G2500 is a versatile and reliable material that is well-suited for a wide range of applications, including:

  • Automotive: SAE J431 Grade G2500 is used in a variety of automotive components, including cylinder blocks, cylinder heads, pistons, and brake drums.
  • Machinery: SAE J431 Grade G2500 is used in a variety of machinery components, including gears, shafts, and bearings.
  • Construction: SAE J431 Grade G2500 is used in a variety of construction components, including beams, columns, and plates.
  • Mining: SAE J431 Grade G2500 is used in a variety of mining components, including conveyor belts, hoists, and pumps.
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