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Pyromet 751

Description

Pyromet 751 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Pyromet 751
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy Pyromet 751
NX188
Permanickel 300
PH3
PH6
PH7
PH 13-8 Mo
PH 14-8 Mo
PH 15-7 Mo
Pyromet 31
Pyromet 88

Chemical composition(mass fraction)(wt.%) of the Pyromet 751

C
Si
Mn
P
S
Cr Ni
0.04 0.3 0.7   0.007 15 ...
Mo Al Cu Nb Ti V Fe
  1.2 0.05   2.5   6.75
N Co Pb B Other    
        Nb/Ta 1.0    
             

Mechanical Properties of steel grade Pyromet 751

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)
718 (≥) 877 (≥) 11 44 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade Pyromet 751

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
31 - -     0.31 -  
251 587 - 23.3 433   -  
596 - 41 24.2   133 414

Heat Treatment of steel grade Pyromet 751

Heat treated : 1528°C - 1716°C

Technological Curves of steel grade Pyromet 751

Cross Reference Table (Equivalent Grade) of Pyromet 751

Grade Standard Country Application
UNS N07751 UNS USA precipitation hardening
NCF751 JIS Japan ferritic stainless steel
E7511 Spain structural alloy steel
E7512 Spain structural alloy steel
E7513 Spain structural alloy steel
E7514 Spain structural alloy steel
E7515 Spain structural alloy steel
E7516 Spain structural alloy steel
E7517 Spain structural alloy steel
VAT 751 Brazil Stainless steel
CNS NCF751 China China Taiwan Heat-Resistant Steel

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