JIS G5501 FC200 Gray Cast Iron Std

 JIS G5501 FC200 Gray Cast Iron

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 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 Gray Cast Iron

Hardness, Brinell HB 223 [-] at 20 °C

Poisson's ratio 0.21 [-] at 20 °C Typical for Gray 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 Gray Cast Iron

Specific heat capacity cp 460 J/(kg•K) at 20 °C Typical for Gray Cast Iron

Thermal conductivity λ 20 - 80 W/(m•K) at 20 °C Typical for Gray 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 gray iron, the chemical composition is not important relatively. 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