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FMR 82

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France AFNOR NF FMR82 Iron and steel. Wire rods made of unalloyed steel for the manufacture of high resisting cold-formed spring wires. Types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FMR82 / FMR 82
Category Grade Standard Region/Area Standard Content
Metals FMR 82 NF A35-057 France Iron and steel. Wire rods made of unalloyed steel for the manufacture of high resisting cold-formed spring wires. Types

Chemical composition(mass fraction)(wt.%) of the FMR 82

Element Min Max Similar
Si 0.1000 0.3500 -
S - 0.0300 -
P - 0.0300 -
Ni - 0.1000 -
Mo - 0.0500 -
Mn 0.6000 0.9000 -
Cu - 0.1200 -
Cr+Mo+Ni - 0.2000 -
Cr - 0.1000 -
C 0.8000 0.8500 -

Mechanical Properties of steel grade FMR 82

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)
692 (≥) 941 (≥) 44 12 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade FMR 82

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
21 - -     0.14 -  
664 562 - 41.3 241   -  
296 - 22 41.2   221 423

Heat Treatment of steel grade FMR 82

Heat treated : 1362°C - 1352°C

Technological Curves of steel grade FMR 82

Cross Reference Table (Equivalent Grade) of FMR 82

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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Jiangyou Longhai Special Steel Co.,Ltd.

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