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CFQ300

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Brazil NBR CFQ300 Thin coils and sheets of hot rolled carbon steel for structural use - Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CFQ300 / CFQ300
Category Grade Standard Region/Area Standard Content
Metals CFQ300 ABNT NBR 6650 Brazil Thin coils and sheets of hot rolled carbon steel for structural use - Specification

Chemical composition(mass fraction)(wt.%) of the CFQ300

Element Min Max Similar
C - 0.2800 -
Mn - 1.5000 -
P - 0.0350 -
S - 0.0300 -
Si - 0.6000 -
Al 0.0100 - -
CEV - 0.5500 -

Mechanical Properties of steel grade CFQ300

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)
587 (≥) 321 (≥) 11 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade CFQ300

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
34 - -     0.42 -  
978 748 - 44.3 332   -  
946 - 21 22.2   331 113

Heat Treatment of steel grade CFQ300

Heat treated : 1135°C - 1948°C

Technological Curves of steel grade CFQ300

Cross Reference Table (Equivalent Grade) of CFQ300

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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