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Description

Germany DIN 1.3817 Valve steel and 1.3817 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.3817

Chemical composition(mass fraction)(wt.%) of the 1.3817

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) N(%)
0.30-0.50 Max 1.00 17.00-19.00 Max 0.060 Max 0.030 3.00-5.00 Max 1.00 Max 0.10

Mechanical Properties of steel grade 1.3817

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)
431 (≥) 478 (≥) 21 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 1.3817

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 - -     0.24 -  
734 864 - 13.3 414   -  
611 - 13 43.2   311 344

Heat Treatment of steel grade 1.3817

Heat treated : 1671°C - 1313°C

Technological Curves of steel grade 1.3817

Cross Reference Table (Equivalent Grade) of 1.3817

Grade Standard Country Application
1.3817 DIN Germany Valve steel

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