AISI A2

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#AISI # #A2

Description

AISI A2 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: AISI A2

Category	Type	Steel Grade
Steel Grades	Tool Steel	AISI A2
		1.2767
		AISI A10
		ASP 23 PM
		ASP 30 PM
		ASP 60 PM
		CG40
		CN02
		SKH53
		1.4088
		56CrNiMoV7

Chemical composition(mass fraction)(wt.%) of the AISI A2

Category	Steel
Class	Tool steel
Type	Air-hardening medium-alloy cold work steel
Designations	France: AFNOR Z 100 CDV 5 Germany: DIN 1.2363 Japan: JIS SKD 12 Sweden: SS 2260 United Kingdom: B.S. BA 2 United States: ASTM A681 , FED QQ-T-570 , SAE J437 , SAE J438 , UNS T30102

Composition

Element	Weight %
C	0.95-1.05
Mn	1.00
Si	0.50
Cr	4.75-5.50
Ni	0.30
Mo	0.90-1.40
V	0.15-0.50
Cu	0.25
P	0.03
S	0.03

Mechanical Properties

Properties		Conditions
Properties		T (°C)	Treatment
Density (×1000 kg/m³)	7.86	25
Poisson's Ratio	0.27-0.30	25
Elastic Modulus (GPa)	190-210	25

Thermal Properties

Properties		Conditions
Properties		T (°C)	Treatment
Thermal Expansion (10^-6/ºC)	10.7	20-100 more

Mechanical Properties of steel grade AISI A2

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)
899 (≥)	683 (≥)	31	33	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	123

Physical Properties of steel grade AISI A2

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
33	-	-			0.11	-
582	457	-	33.3	142		-
819	-	22	44.2			241	141

Heat Treatment of steel grade AISI A2

Heat treated : 1412°C - 1264°C

Technological Curves of steel grade AISI A2

No Curve

Cross Reference Table (Equivalent Grade) of AISI A2

Grade	Standard	Country	Application
AISI 431	AISI	USA	Martensitic special steel
AISI 440A	AISI	China	Martensitic special steel
AISI 440B	AISI	USA	Martensitic special steel
AISI 440F	AISI	USA	Martensitic special steel
AISI 440F Se	AISI	USA	Martensitic special steel
AISI 501	AISI	USA	Martensitic special steel
AISI 501A	AISI	USA	Martensitic special steel
AISI 501B	AISI	USA	Martensitic special steel
AISI 502	AISI	USA	Martensitic special steel
AISI 503	AISI	USA	Martensitic special steel
AISI 504	AISI	USA	Martensitic special steel
AISI S13800		USA	precipitation hardening
AISI S15500	AISI	USA	precipitation hardening
AISI 632	AISI	USA	precipitation hardening
AISI 630	AISI	USA	precipitation hardening
AISI 635	AISI	USA	precipitation hardening
AISI 631	AISI	USA	precipitation hardening
AISI 633	AISI	USA	precipitation hardening
AISI 633	AISI	USA	precipitation hardening
AISI 634	AISI	USA	precipitation hardening

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