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Description

UK 441S49 austenitic special steel and 441S49 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 441S49
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 441S49 UK austenitic special steel
317S17
318S17
320S18
326S42
347S20
394S17
430S11
430S18
434S20
436S20

Chemical composition(mass fraction)(wt.%) of the 441S49

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Other(%)
0.12-0.20 Max 1.00 Max 1.50 Max 0.04 Max 0.03 15.0-18.0 2.00-3.00 Max 0.60 Se 0.15-0.35

Mechanical Properties of steel grade 441S49

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)
316 (≥) 671 (≥) 11 23 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade 441S49

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 - -     0.34 -  
614 111 - 22.3 211   -  
785 - 11 13.2   122 423

Heat Treatment of steel grade 441S49

Heat treated : 1718°C - 1787°C

Technological Curves of steel grade 441S49

Cross Reference Table (Equivalent Grade) of 441S49

Grade Standard Country Application
441S49 UK austenitic special steel

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