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Russia GOST 97NL Precision alloys. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 97NL / 97NL
Category Grade Standard Region/Area Standard Content
Metals 97NL GOST 10994 Russia Precision alloys. Grades

Chemical composition(mass fraction)(wt.%) of the 97NL

Element Min Max Similar
Ti 0.8000 1.2000 -
Si - 0.6000 -
S - 0.0200 -
P - 0.0200 -
Ni 6.5000 7.5000 -
Mn 0.8000 1.2000 -
Fe - - -
Cr 16.5000 17.5000 -
C - 0.0500 -
Al - 0.5000 -

Mechanical Properties of steel grade 97NL

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)
725 (≥) 781 (≥) 31 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade 97NL

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
22 - -     0.13 -  
736 589 - 13.3 443   -  
878 - 23 11.2   142 212

Heat Treatment of steel grade 97NL

Heat treated : 1196°C - 1379°C

Technological Curves of steel grade 97NL

Cross Reference Table (Equivalent Grade) of 97NL

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