MCI9

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Japan JIS MCI9 铸造镁合金锭 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: MCI9 / MCI9

Category	Grade	Standard	Region/Area	Standard Content
Metals	MCI9	JIS H2221	Japan	铸造镁合金锭

Chemical composition(mass fraction)(wt.%) of the MCI9

Element	Min	Max	Similar
Rare Earths	1.9000	2.4000	-
Mn	-	0.1500	-
Si	-	0.0100	-
Ni	-	0.0100	-
Cu	-	0.0300	-
Zr	0.3000	1.0000	-
Zn	-	0.2000	-
Mg	-	-	-
Fe	-	0.0100	-
Ag	2.0000	3.0000	-
Others each	-	0.0100	-

Mechanical Properties of steel grade MCI9

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
497 (≥)	644 (≥)	34	32	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	312

Physical Properties of steel grade MCI9

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
22	-	-			0.43	-
527	611	-	43.3	434		-
359	-	11	43.2			342	144

Heat Treatment of steel grade MCI9

Heat treated : 1712°C - 1756°C

Technological Curves of steel grade MCI9

No Curve

Cross Reference Table (Equivalent Grade) of MCI9

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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