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S2

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T41901 T41902
#S2

Description

USA ASTM S2 Alloy tool steel and S2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: S2
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

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 of steel 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)
786 (≥) 779 (≥) 32 11 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade S2

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 - -     0.33 -  
897 427 - 31.3 324   -  
746 - 33 23.2   313 223

Heat Treatment of steel grade S2

Heat treated : 1122°C - 1553°C

Technological Curves of steel grade S2

Cross Reference Table (Equivalent Grade) of S2

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
T41901 T41902
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Jiangyou Longhai Special Steel Co.,Ltd.

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