1.4432

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Chemical composition %   of   steel   (1.4432):   EN 10088-2-2005
Particular ranges of sulphur content may provide improvement of particular properties. For machinability a controlled sulphur content of 0.015 % to 0.030% is recommended and permitted. For weldability, a controlled sulphur content of 0.008 % to 0.030 % is recommended and permitted. For polishability, a controlled sulphur content of 0.015 % max is recommended.
Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast.
C Si Mn Ni P S Cr Mo N
max   0.03 max   1 max   2 10.5 - 13 max   0.045 max   0.015 16.5 - 18.5 2.5 - 3 max   0.11


Mechanical properties of   steel   (1.4432)

Rm - Tensile strength (MPa) (+A) 490-700
Rm - Tensile strength (MPa) (+AT) 490-690
Rm - Tensile strength (MPa) (+AT+C) 750-780


Rp0.2 0.2% proof strength (MPa) (+A) 190-240
Rp0.2 0.2% proof strength (MPa) (+AT) 190


KV - Impact energy (J) transverse, (+A) +20°
60
-196°
60
KV - Impact energy (J) longitud., (+A) +20°
100


A - Min. elongation at fracture (%) (+A) 40-45
A - Min. elongation at fracture (%) longitud., (+AT) 40


Nominal diameter (mm):     2 - 50
Z - Reduction in cross section on fracture (%) 63-68


  Brinell hardness   (HB):   (+A) 215
  Brinell hardness   (HB):   (+AT) 200


Properties of   steel   (1.4432)
Resistance to intergranular corrosion: in the delivery condition - yes; in the sensitized condition - yes 
Steel shal not be applied at a metal temperature lower than -196 ° C



1.4432