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CF740R

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EU EN CF740R Copper and copper alloys - Compendium of compositions and products and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CF740R / CF740R
Category Grade Standard Region/Area Standard Content
Metals CF740R CEN/TS 13388 EU Copper and copper alloys - Compendium of compositions and products

Chemical composition(mass fraction)(wt.%) of the CF740R

Element Min Max Similar
P - 0.0080 -
Si - 0.0500 -
Cu 39.0000 41.0000 -
Cd - 0.0300 -
Al - 0.0010 -
Zn 31.0000 35.0000 -
Sn 1.5000 2.5000 -
Ag 24.0000 26.0000 -
Bi - 0.0300 -
Pb - 0.0250 -
Others total - 0.1500 -

Mechanical Properties of steel grade CF740R

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)
562 (≥) 723 (≥) 22 22 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade CF740R

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
42 - -     0.24 -  
551 453 - 22.3 414   -  
753 - 41 42.2   231 433

Heat Treatment of steel grade CF740R

Heat treated : 1434°C - 1989°C

Technological Curves of steel grade CF740R

Cross Reference Table (Equivalent Grade) of CF740R

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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