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CU 303

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EU EN CU303 Copper and copper alloys - Compendium of compositions and products and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CU303 / CU 303
Category Grade Standard Region/Area Standard Content
Metals CU 303 CEN/TS 13388 EU Copper and copper alloys - Compendium of compositions and products

Chemical composition(mass fraction)(wt.%) of the CU 303

Element Min Max Similar
Mn 0.0500 0.2500 -
Si 0.1500 0.4000 -
Cu 58.5000 61.5000 -
Al - 0.0100 -
Zn - - -
Sn - 0.2000 -
Fe - 0.2500 -
Pb - 0.0200 -
Others total - 0.2000 -

Mechanical Properties of steel grade CU 303

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)
911 (≥) 721 (≥) 24 41 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade CU 303

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
24 - -     0.32 -  
446 524 - 43.3 411   -  
415 - 42 13.2   443 444

Heat Treatment of steel grade CU 303

Heat treated : 1474°C - 1255°C

Technological Curves of steel grade CU 303

Cross Reference Table (Equivalent Grade) of CU 303

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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