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FN660

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Russia GOST FN660 Ferroniobium. Technical requirements and delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FN660 / FN660
Category Grade Standard Region/Area Standard Content
Metals FN660 GOST 16773 Russia Ferroniobium. Technical requirements and delivery conditions

Chemical composition(mass fraction)(wt.%) of the FN660

Element Min Max Similar
Ti - 1.0000 -
Ta - 1.0000 -
Si - 1.5000 -
S - 0.0300 -
P - 0.1000 -
Nb 55.0000 65.0000 -
C - 0.1000 -
Al - 3.0000 -

Mechanical Properties of steel grade FN660

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)
475 (≥) 143 (≥) 22 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade FN660

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
13 - -     0.13 -  
694 253 - 44.3 132   -  
831 - 13 44.2   341 331

Heat Treatment of steel grade FN660

Heat treated : 1356°C - 1139°C

Technological Curves of steel grade FN660

Cross Reference Table (Equivalent Grade) of FN660

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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