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Description

17-7 PH High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 17-7 PH
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 17-7 PH
9Cr-1Mo-V-Cb-N
12-2W
13Cr-4Ni
14-4PH
14Cr-4Mo
15-5PH
15-15 LC
16-8-2H
16-25-6
17-4 PH

Chemical composition(mass fraction)(wt.%) of the 17-7 PH

C
Si
Mn
P
S
Cr Ni
0.07 0.30 0.50     17.0 7.10
Mo Al Cu Nb Ti V Ce
  1.17          
N Co Pb B Other    
        Fe...    
             

Mechanical Properties of steel grade 17-7 PH

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)
381 (≥) 359 (≥) 44 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 17-7 PH

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
34 - -     0.21 -  
435 985 - 31.3 221   -  
617 - 13 14.2   212 412

Heat Treatment of steel grade 17-7 PH

Heat treated : 1725°C - 1915°C

Technological Curves of steel grade 17-7 PH

Cross Reference Table (Equivalent Grade) of 17-7 PH

Grade Standard Country Application
17-7PH UNS USA precipitation hardening
17-7PH UNS USA precipitation hardening
X7CrNiAI17-7 DIN Germany Stainless steel
X12CrMnNiN17-7-5 AFNOR France Austenite
X2CrNiN17-7-5 AFNOR France Austenite
ISO X5CrNi17-7 ISO standard thermal deformation of stainless steel
ISO X12CrMnNiN17-7-5 ISO standard thermal deformation of stainless steel
ISO X7CrNiAl17-7 ISO standard thermal deformation of stainless steel
ISO X7CrNiAl17-7 wire ISO standard spring with stainless steel wire and steel strip
ISO X12CrNi17-7 strip ISO standard spring with stainless steel wire and steel strip
ISO X6CrNiMo17-12-2 strip ISO standard spring with stainless steel wire and steel strip
ISO X7CrNiAl17-7 strip ISO standard spring with stainless steel wire and steel strip
EN X7CrNiAl17-7 EN Euronorm Stainless Steel
EN X12CrMnNiN17-7-5 EN Euronorm Stainless Steel
EN X7CrNiAl17-7 EN Euronorm Stainless Steel
EN X7CrNiAl17-7 EN Euronorm Stainless Steel
EN X7CrNiAl17-7 EN Euronorm Stainless Steel
PH13-8Mo UNS USA Martensitic special steel
PH13-8Mo UNS USA Martensitic special steel
PH14-8Mo UNS USA Martensitic special steel

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