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Description

UK 409S19 austenitic special steel and 409S19 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 409S19
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 409S19 UK austenitic special steel
304S11
304S16
305S19
309S24
310S24
315S16
316S11
317S12
317S16
320S33

Chemical composition(mass fraction)(wt.%) of the 409S19

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Ti(%)
Max 0.08 Max 1.00 Max 1.00 Max 0.04 Max 0.03 10.5-12.5 Max 1.00 6×CMax 1.00

Mechanical Properties of steel grade 409S19

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)
819 (≥) 148 (≥) 43 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade 409S19

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 - -     0.34 -  
569 678 - 32.3 431   -  
798 - 43 33.2   243 314

Heat Treatment of steel grade 409S19

Heat treated : 1986°C - 1492°C

Technological Curves of steel grade 409S19

Cross Reference Table (Equivalent Grade) of 409S19

Grade Standard Country Application
409S19 UK austenitic special steel

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