The application of JIS G5501 FC200 gray iron, and its mechanical properties, chemical composition. Typical Application of JIS G5501 FC200 gray iron casting: Air-cooled cylinders, clutch housings, clutch plates, compressor frames, cylinder heads, flywheels, gearboxes, grate bars, impellers, light-duty brake drums, oil pump bodies, pipe and fittings, rams small cylinder blocks, and transmission cases. Properties of JIS G5501 FC200 Gray Cast Iron: General Density ρ 6.8 - 7.8 g/cm³ at 20 °C Typical for Cast Iron Mechanical Elastic modulus E 92.4 GPa at 20 °C Typical for Grey Cast Iron Hardness, Brinell HB 223 [-] at 20 °C Poisson's ratio ν 0.21 [-] at 20 °C Typical for Grey Cast Iron Shear modulus G 41 GPa at 20 °C Typical for Cast Iron Tensile strength Rm 115 - 205 MPa at 20 °C 0.01 % Proof Stress 56 MPa 0.10 % Proof Stress 130 MPa Total strain at failure 0.48-0.67% Elastic strain at failure 0.17% Total minus elastic strain at failure 0.31-0.50% Thermal Coefficient of thermal expansion α 1.1E-5 - 1.5E-5 1/K at 20 °C Typical for Grey Cast Iron Specific heat capacity cp 460 J/(kg•K) at 20 °C Typical for Grey Cast Iron Thermal conductivity λ 20 - 80 W/(m•K) at 20 °C Typical for Grey Cast Iron Chemical composition in % for JIS G5501 FC200 gray cast iron C | Si | Mn | S | P | 3.3 - 3.5 | 1.4 - 2.4 | 0.7 - 1 | max 0.15 | max 0.2 | As for normal grey iron, the chemical composition is not important comparatively. The iron foundries could adjust the compositions according to their experience as long as they could meet the physical and mechanical requirements. Bending resistant properties and hardness of JIS G5501 FC200 gray cast iron Grade | Grade of the old type | Bending resistant properties | Hardness HBS | All up weight /N | Deflection f / mm | FC200 | FC20 | 9000 | 4.5 | 223 | Equivalent Grade of JIS G5501 FC200 gray cast iron Country | Standard | Material Grade | ISO | ISO 185 | GRADE 200 | China | GB 9439 | HT200 | USA | ASTM A48 | CLASS 30 | Germany / Austria | DIN 1691 | GG20 | European | EN 1561 | EN-GJL-200 | Italy | UNI 5007 | G20 | France | NF A32-101 | FGL200 | UK | BS 1452 | 180, 200, 220 | Spain | UNF | FG20 | Belgium | NBN 830-01 | FGG20 | Australia | AS 1830 | T200, T220 | Sweden | SS 14 01 | O120 | Norway | NS11 100 | SJG200 | |