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SS14:1778

Description

Sweden SS SS14:1778 Carbide for cutting tools and SS14:1778 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SS14:1778
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SS14:1778 SS Sweden Carbide for cutting tools
ТТ7К12
ТТ8К6
ТТ8К6
ТТ10К8-Б
ТТ10К8-Б
ТТ20К9
ТТ20К9
SS14:1770
SS14:1770
SS14:1778

Chemical composition(mass fraction)(wt.%) of the SS14:1778

C(%) Si(%) Mn(%) P(%) S(%)
0.75-0.85 0.10-0.30 0.20-0.40 ≤0.030 ≤0.030

Mechanical Properties of steel grade SS14:1778

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)
329 (≥) 321 (≥) 31 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade SS14:1778

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 - -     0.43 -  
636 887 - 11.3 212   -  
754 - 24 23.2   131 121

Heat Treatment of steel grade SS14:1778

Heat treated : 1861°C - 1995°C

Technological Curves of steel grade SS14:1778

Cross Reference Table (Equivalent Grade) of SS14:1778

Grade Standard Country Application
SS14:1778 SS Sweden Carbide for cutting tools
SS14:1778 SS Sweden Carbide for cutting tools

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