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FR 20

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France AFNOR NF FR20 Iron and steel. Non-alloy steel wire rod for products made by hot or cold forming. Types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FR20 / FR 20
Category Grade Standard Region/Area Standard Content
Metals FR 20 NF A35-053 France Iron and steel. Non-alloy steel wire rod for products made by hot or cold forming. Types

Chemical composition(mass fraction)(wt.%) of the FR 20

Element Min Max Similar
S - 0.0350 -
P - 0.0350 -
Ni - 0.2500 -
Mn 0.4000 0.7000 -
Cu - 0.2000 -
Cr+Ni+Cu - 0.4500 -
Cr - 0.1500 -
C 0.1800 0.2300 -

Mechanical Properties of steel grade FR 20

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)
683 (≥) 988 (≥) 12 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade FR 20

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
12 - -     0.33 -  
285 815 - 41.3 323   -  
257 - 11 42.2   331 242

Heat Treatment of steel grade FR 20

Heat treated : 1277°C - 1344°C

Technological Curves of steel grade FR 20

Cross Reference Table (Equivalent Grade) of FR 20

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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