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1.3255

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1.3249 S 18-1-2-5
#1.3255

Description

1.3255 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 1.3255
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel 1.3255
1.3245
HS7-4-2-5
S7-4-2-5
1.3246
1.3247
S2-9-10-8
HS2-9-1-8
S 2-9-2-8
HS2-9-2-8
1.3249

Chemical composition(mass fraction)(wt.%) of the 1.3255

 

 

 

C  Si 
≤		 Mn 
≤		  P
≤		  S
≤		 Cr   Ni  Mo  Other
0.75-0.83 0.45   0.40  0.030  0.030  3.80-4.50    0.50-0.80  W 17.5-18.5  V  1.40-1.70
Co 4.50-5.00

Mechanical Properties of steel grade 1.3255

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)
897 (≥) 637 (≥) 22 31 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 1.3255

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
13 - -     0.24 -  
967 474 - 22.3 113   -  
581 - 14 32.2   321 342

Heat Treatment of steel grade 1.3255

Heat treated : 1258°C - 1844°C

Technological Curves of steel grade 1.3255

Cross Reference Table (Equivalent Grade) of 1.3255

Grade Standard Country Application
1.3255 DIN Germany High-speed tool steel
1.3249 S 18-1-2-5
Available Suppliers
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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