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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 Standard Country Application
Steel GradesTool 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
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
T (°C) Treatment
Thermal Expansion (10-6/ºC) 10.7 20-100 more  

 

Mechanical Properties of steel grade AISI A2

Yield
Rp0.2 (MPa)
Tensile
Rm (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

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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