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S2-9-2-8

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1.3247 1.3249
#S2-9-2-8

Description

Germany DIN S2-9-2-8 High-speed tool steel and S2-9-2-8 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: S2-9-2-8
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy S2-9-2-8 DIN Germany High-speed tool steel
S10-4-3-10
1.3207
S6-5-2-5
0.3243
S6-5-2-5S
1.3245
S7-4-2-5
1.3246
S2-10-1-8
1.3247

Chemical composition(mass fraction)(wt.%) of the S2-9-2-8

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%) Co(%)
0.85-0.92 Max 0.45 Max 0.40 Max 0.030 Max 0.030 3.50-4.20 8.00-9.20 1.80-2.20 1.50-2.00 7.75-8.85

Mechanical Properties of steel grade S2-9-2-8

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)
934 (≥) 453 (≥) 23 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade S2-9-2-8

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
31 - -     0.11 -  
653 362 - 33.3 433   -  
451 - 23 24.2   112 112

Heat Treatment of steel grade S2-9-2-8

Heat treated : 1695°C - 1766°C

Technological Curves of steel grade S2-9-2-8

Cross Reference Table (Equivalent Grade) of S2-9-2-8

Grade Standard Country Application
S2-9-2-8 DIN Germany High-speed tool steel
1.3247 1.3249
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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