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S18-1-2-5

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1.3249 1.3255
#S18-1-2-5

Description

Germany DIN S18-1-2-5 High-speed tool steel and S18-1-2-5 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: S18-1-2-5
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy S18-1-2-5 DIN Germany High-speed tool steel
S6-5-2-5
0.3243
S6-5-2-5S
1.3245
S7-4-2-5
1.3246
S2-10-1-8
1.3247
S2-9-2-8
1.3249

Chemical composition(mass fraction)(wt.%) of the S18-1-2-5

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%) Co(%)
0.75-0.83 Max 0.45 Max 0.40 Max 0.030 Max 0.030 3.80-4.50 0.50-0.80 1.40-1.70 17.5-18.5 4.50-5.50

Mechanical Properties of steel grade S18-1-2-5

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)
479 (≥) 759 (≥) 13 44 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade S18-1-2-5

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
12 - -     0.14 -  
213 399 - 43.3 232   -  
669 - 13 34.2   441 442

Heat Treatment of steel grade S18-1-2-5

Heat treated : 1996°C - 1453°C

Technological Curves of steel grade S18-1-2-5

Cross Reference Table (Equivalent Grade) of S18-1-2-5

Grade Standard Country Application
S18-1-2-5 DIN Germany High-speed tool steel
1.3249 1.3255
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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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