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18CrNiMo7-6   ( 1.6587 )

Grade : 18CrNiMo7-6
Number: 1.6587
Standard:
    EN 10084 : 2008   Case hardening steels. Technical delivery conditions
Classification: Alloy special steel
Equivalent grades: Go here


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Chemical composition %   of grade   18CrNiMo7-6 (1.6587)
Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser, other than for the purpose of finishing the heat.
Steels with improved machinability as a result of the addition of lead or higher sulfur contents, depending on the manufacturing process up to around 0.1 % S, may be supplied on request. In this case, the upper limit of the manganese content may be increased by 0.15 %
C Si Mn Ni P S Cr Mo
0.15 - 0.21max   0.40.5 - 0.91.4 - 1.7max   0.025max   0.0351.5 - 1.80.25 - 0.35


Mechanical properties of grade   18CrNiMo7-6 (1.6587)

Nominal thickness (mm):   to 16
Rm - Tensile strength (MPa) hardening and tempering at 200 1200


  Brinell hardness   (HBW):   (+S)255
  Brinell hardness   (HBW):   (+A)229
  Brinell hardness   (HBW):   (+TH)179 - 229
  Brinell hardness   (HBW):   (+FP)159 - 207


Equivalent grades of grade   18CrNiMo7-6 (1.6587)
Warning! Only for reference
Germany
DIN,WNr
France
AFNOR
England
BS
Italy
UNI
China
GB
Finland
SFS
Inter
ISO
17CrNiMo6
17CrNiMo7
18NCD6
820A16
18NiCrMo7
17Cr2Ni2Mo
511
18CrNiMo7
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Mechanical properties
Mechanische Eigenschaften
Caracteristiques mecaniques
ReH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite delasticite minimale
Rm Tensile strength / Zugfestigkeit / Resistance a la traction
A Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal
J Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc


Heat treatment conditions
+A Soft annealed
+AC Annealed to achieve spheroidization of the carbides
+AR As rolled
+AT Solution annealed
+C Cold drawn / hard
+CR Cold rolled
+FP Treated to ferrite-pearlite structure and hardness range
+I Isothermal annealing
+LC Cold drawn / soft
+M Thermo mechanical rolling
+N Normalized
+NT Normalized and tempered
+P Precipitation hardened
+PE Peeled
+QA Air quenched and tempered
+QL Liquid quenched and tempered
+QT Quenched and tempered
+S Treated to improve shearability
+SH As rolled and turned
+SR Cold drawn and stress relieved
+T Tempered
+TH Treated to hardness range
+WW Warm worked
+U Untreated

Chemical composition of   18CrNiMo7-6 (1.6587). Equivalent grades of   18CrNiMo7-6 (1.6587). Standards of   18CrNiMo7-6 (1.6587).
Properties of   18CrNiMo7-6 (1.6587). Hardness of   18CrNiMo7-6 (1.6587). Strength of   18CrNiMo7-6 (1.6587). Elongation of   18CrNiMo7-6 (1.6587).

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