catalogue >> Austenitic Cast lron of Flake Graphite
Steel Type Standard Country Code C(%) Si(%) Mn(%) S(%) Cr(%) Ni(%) Cu(%)
FCANi-Mn13-7 G5510 JIS <3.0 1.5-3.0 6.0-7.0 12.0-14.0 <0.2
GGL-Ni-Mn13-7 1694 DIN <3.0 1.5-3.0 6.0-7.0 <0.2 12.0-14.0
FCANiCu-Cr15-6-2 G5510 JIS <3.0 1.0-2.8 0.5-1.5 1.0-2.5 13.5-17.5 5.5-7.5
Type 1 A436 ASTM <3.0 1.0-2.8 0.5-1.5 <0.12 1.5-2.5 13.5-17.5 5.5-7.5
GGL-NiCu-Cr15-6-2 1694 DIN <3.0 1.0-2.8 0.5-1.5 1.0-2.5 13.5-17.5 5.5-7.5
FCANiCu-Cr15-6-3 G5510 JIS <3.0 1.0-2.8 0.5-1.5 2.5-3.5 13.5-17.5 5.5-7.5
Type 1b A436 ASTM <3.0 1.0-2.8 0.5-1.5 <0.12 2.5-3.5 13.5-17.5 5.5-7.5
GGL-NiCu-Cr15-6-3 1694 DIN <3.0 1.0-2.8 0.5-1.5 2.5-3.5 13.5-17.5 5.5-7.5
FCANi-Cr20-2 G5510 JIS <3.0 1.0-2.8 0.5-1.5 1.0-2.5 18.0-22.0 <0.5
Type 2 A436 ASTM <3.0 1.0-2.8 0.5-1.5 <0.12 1.0-2.5 18.0-22.0 <0.5
GGL-Ni-Cr20-2 1694 DIN <3.0 1.0-2.8 0.5-1.5 1.5-2.5 18.0-22.0 <0.5
FCANi-Cr20-3 G5510 JIS <3.0 1.0-2.8 0.5-1.5 2.5-3.5 18.0-22.0 <0.5
Type 2b A436 ASTM <3.0 1.0-2.8 0.5-1.5 <0.12 3.0-6.0 18.0-22.0 <0.5
GGL-Ni-Cr20-3 1694 DIN <3.0 1.0-2.8 0.5-1.5 2.5-3.5 18.0-22.0 <0.5
FCA-NiSi-Cr20-5-3 G5510 JIS <2.5 4.5-5.5 0.5-1.5 1.5-4.5 18.0-22.0 <0.5
GGL-NiSi-Cr20-5-3 1694 DIN <2.5 3.5-5.5 0.5-1.5 1.5-4.5 18.0-22.0 <0.5
FCANi-Cr30-3 G5510 JIS <2.5 1.0-2.0 0.5-1.5 2.5-3.5 28.0-32.0 <0.5
Type3 A436 ASTM <2.6 1.0-2.0 0.5-1.5 <0.12 2.5-3.5 28.0-32.0 <0.5
GGL-Ni-Cr30-3 1694 DIN <2.5 1.0-2.0 0.5-0.8 2.5-3.5 28.0-32.0
FCANiSi-Cr30-5-5 G5510 JIS <2.5 5.0-6.0 0.5-1.5 4.5-5.5 29.0-32.0 <0.5
Tpye4 A436 ASTM <2.6 5.0-6.0 0.5-1.5 4.5-5.5 29.0-32.0 <0.5
Austenitic cast iron with flake graphite is a type of cast iron alloy that contains a high amount of carbon and silicon, resulting in the formation of graphite flakes within its microstructure. The flake graphite provides several advantages to the cast iron, including improved strength, ductility, and resistance to wear and corrosion.

The austenitic nature of this cast iron refers to the presence of the austenite phase, which is a face-centered cubic crystal structure. This phase is typically stable at higher temperatures and contributes to the cast iron's excellent heat resistance and high-temperature mechanical properties.

The formation of flake graphite in austenitic cast iron is greatly influenced by the cooling rate during solidification. Slower cooling rates promote the formation of larger and more spherical graphite flakes, which are desired for their improved mechanical properties. Rapid cooling, on the other hand, can lead to the formation of smaller and less desirable graphite structures, such as nodular graphite or carbides.

The presence of flake graphite in austenitic cast iron offers several advantages over other cast iron types. It provides good machinability, allowing for easy cutting, shaping, and finishing of the material. Flake graphite also contributes to the cast iron's excellent thermal conductivity, making it suitable for applications that require efficient heat transfer.

Additionally, the presence of flake graphite enhances the cast iron's ability to absorb vibrations, improving its resistance to cracking and fracture. This makes it a preferred choice for applications where high strength and toughness are important, such as automotive engine components, piping systems, and machinery parts.

In summary, austenitic cast iron with flake graphite is a versatile material that combines the strength and wear resistance of cast iron with the improved ductility and machinability provided by the presence of flake graphite. This makes it a desirable choice for various industrial applications.