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Description

UK 434S17 austenitic special steel and 434S17 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 434S17
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 434S17 UK austenitic special steel
305S19
309S24
310S24
315S16
316S11
317S12
317S16
320S33
409S19
420S45

Chemical composition(mass fraction)(wt.%) of the 434S17

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
Max 0.08  Max 1.00  Max 1.00 Max 0.04 Max 0.03 16.0-18.0 Max 1.00 0.90-1.30

Mechanical Properties of steel grade 434S17

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)
525 (≥) 544 (≥) 22 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade 434S17

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 - -     0.42 -  
791 548 - 33.3 413   -  
467 - 21 41.2   324 313

Heat Treatment of steel grade 434S17

Heat treated : 1613°C - 1741°C

Technological Curves of steel grade 434S17

Cross Reference Table (Equivalent Grade) of 434S17

Grade Standard Country Application
434S17 UK austenitic special steel

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