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STS51

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STS51 STS7
#STS51

Description

Sweden KS STS51 Carbide for cutting tools and STS51 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: STS51
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy STS51 KS Sweden Carbide for cutting tools
STC7
STS11
STS11
STS2
STS2
STS21
STS21
STS5
STS5
STS51

Chemical composition(mass fraction)(wt.%) of the STS51

C(％) Si(％) Mn(％) Cr(％) Ni(％)
0.75-0.85 ≤0.35 ≤0.50 0.20-0.50 1.30-2.00

Mechanical Properties of steel grade STS51

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)
858 (≥) 193 (≥) 44 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade STS51

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
14 - -     0.31 -  
229 428 - 12.3 424   -  
351 - 31 33.2   432 332

Heat Treatment of steel grade STS51

Heat treated : 1599°C - 1333°C

Technological Curves of steel grade STS51

Cross Reference Table (Equivalent Grade) of STS51

Grade Standard Country Application
STS51 KS Sweden Carbide for cutting tools
STS51 KS Sweden Carbide for cutting tools
STS8 KS Korea Carbide for cutting tools
STS8 KS Korea Carbide for cutting tools
STS51 STS7
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Jiangyou Longhai Special Steel Co.,Ltd.
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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