ASTM S2
ASTM S2 PDF ASTM S2 Word
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy S2 ASTM USA Alloy tool steel
T31501
O2
T31502
O6
T31506
O7
T31507
S1
ASTM A182 F55
T41901
Datasheet for:Steel Grades:Tool Steel And Hard Alloy:S2

Chemical composition(mass fraction)(wt.%) of the S2

C(%) Si(%) Mn(%) P(%) S(%) Mo(%) V(%)
0.40~0.55 0.90~1.20 0.30~0.50 ≤0.030 ≤0.030 0.30~0.60 ≤0.50

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade S2

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)
723 (≥) 195 (≥) 43 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
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
44 - -     0.14 -  
899 132 - 24.3 233   -  
535 - 12 23.2   444 421
Heat treated : 1375°C - 1285°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
S2 ASTM USA
Alloy tool steel
M3 Class2 ASTM USA
Molybdenum series High-speed tool steel
S2-10-1-8 DIN Germany
High-speed tool steel
S2-9-2-8 DIN Germany
High-speed tool steel
S2-9-1 DIN Germany
High-speed tool steel
S2-9-2 DIN Germany
High-speed tool steel
SKS2 JIS Japan
Alloy tool steel - Tool steel
SKS21 JIS Japan
Alloy tool steel - Tool steel
SKS2M JIS Japan
Cold rolled special steel strip
BS2 UK
Carbide for cutting tools
BS2 UK
Carbide for cutting tools
BS2 UK
Carbide for cutting tools
BS2 UK
Carbide for cutting tools
BS2 UK
Carbide for cutting tools
BS2 UK
Carbide for cutting tools
HS2-9-1 AFNOR France
Carbide for cutting tools
HS2-9-1 AFNOR France
Carbide for cutting tools
HS2-9-2 AFNOR France
Carbide for cutting tools
HS2-9-2 AFNOR France
Carbide for cutting tools
HS2-9-1-8 AFNOR France
Carbide for cutting tools
S2

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