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3.50-4.50

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SS14:2736 SS14:2750①
#3.50-4.50

Description

Sweden SS 3.50-4.50 Carbide for cutting tools and 3.50-4.50 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 3.50-4.50
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 3.50-4.50 SS Sweden Carbide for cutting tools
SS14:2724
SS14:2724
SS14:2725
SS14:2725
SS14:2726
SS14:2726
SS14:2727
SS14:2727
SS14:2736
SS14:2736

Chemical composition(mass fraction)(wt.%) of the 3.50-4.50

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%) Co(%)
1.35-1.45 0.25-0.50 0.20-0.40 ≤0.030 ≤0.030 3.70-4.40 3.40-3.80 3.40-3.80 3.40-3.80 ≤0.030

Mechanical Properties of steel grade 3.50-4.50

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)
223 (≥) 641 (≥) 11 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade 3.50-4.50

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 - -     0.12 -  
794 265 - 12.3 344   -  
573 - 11 23.2   233 144

Heat Treatment of steel grade 3.50-4.50

Heat treated : 1197°C - 1938°C

Technological Curves of steel grade 3.50-4.50

Cross Reference Table (Equivalent Grade) of 3.50-4.50

Grade Standard Country Application
3.50-4.50 SS Sweden Carbide for cutting tools
SS14:2736 SS14:2750①
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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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