Metal Specifications

Metal Specifications

Meehanite G type Gray Iron Mechanical Property & National Standard

01

Mechanical Property

Type			GM400	GA350	GC275			GE200		GF150
Spec.		Unit	GM400	GA350	GB300	GC275	GC250	GC225	GE200	GF150
Tensile Strength (Above)		N/mm²	400	350	275			200		150
Tensile Strength (Above)		(kg/mm2)	(40.8)	(35.7)	(28.0)			(20.4)		(15.3)
Compressive Strength(Above)		N/mm²	1,200	1,080	900			720		600
Compressive Strength(Above)		(kg/mm2)	(122.4)	(110.2)	(28.0)			(20.4)		(15.3)
Bending Test	Max Load (Above)	N	13,900	13,100	12,300			11,000
	Max Load (Above)	(kg,)	(1,420)	(1,340)	(1,250)			(1,120)
	Deflection (Above)	mm	6.8	6.8	6.3			4.9
Brinell Hardness		HB	210~260	210~250	195~235			180~220		160~190
Elasticity Modulus E		KN/mm²	145	140	130			115		100
Compressive Strength(Above)		N/mm3/2	-	650	520			115		320
Specific Heat		J/kg∙K	(20~200℃ = 460) (20~600℃ = 535)
Thermal Expansion Coefficient α		10-6/K	(-100~20℃ = 10) (20~200℃ = 11.7) (20~400℃ = 13.0)
Thermal Conductivity λ(100℃)		W/m∙K	44.0	45.5	48.0			50.0		52.5
Electrical Impedance ρ		Ω∙mm2/m	0.64	0.67	0.72			0.77		0.80
Density (20℃)		g/cm3	7.4	7.3	7.25			7.1		6.8
Min. Casting Wall Thickness		mm	20	20	8			5		3

02

National Standard

Country		Standard		Gray Iron (Flake Graphite Cast Iron)
Meehanite		Specification		GM400		GA350		GC275		GE200		GF150
Meehanite		Reference		GM400	GA350		GB300	GC275	GD250	GE225	GE200	GF150
Taiwan		CNS GX3088			FC250		FC300		FC250		FC200	FC150
China		GB 9439			HT350		HT300	HT275	HT250	HT225	HT200	HT150
Japan		JIS G5501			FC250		FC300		FC250		FC200	FC150
USA		ASTM A48M		400 ABCD	350 ABCD		300/325 ABCD	275 ABCD	250 ABCD	225 ABCD	200 ABCD	150/175 ABCD
USA		SAE J431B			G13H24		G13H22	G13H19	G11H20	G11H18	G10H18	G9H12
EU	UK	BS	EN 1561		EN-GJL- 350		EN-GJL- 300		EN-GJL- 250		EN-GJL- 200	EN-GJL- 150
	Germany	DIN
	France	NF
ISO		185			350		300	275	250	225	200	150