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Description

1.4303 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: 1.4303

Chemical composition(mass fraction)(wt.%) of the 1.4303

 

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 ≤0.060  1.00  2.00  0.045  0.030  17.0-19.0  11.0-13.0  --------- N ≤ 0.11

Mechanical Properties of steel grade 1.4303

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)
217 (≥) 553 (≥) 42 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade 1.4303

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 - -     0.31 -  
158 553 - 32.3 432   -  
472 - 13 14.2   243 413

Heat Treatment of steel grade 1.4303

Heat treated : 1812°C - 1718°C

Technological Curves of steel grade 1.4303

Cross Reference Table (Equivalent Grade) of 1.4303

Grade Standard Country Application
1.4303 AFNOR France Austenite

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