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CuZn 20

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Germany DIN CuZn20 Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CuZn20 / CuZn 20
Category Grade Standard Region/Area Standard Content
Metals CuZn 20 DIN 17660 Germany Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition

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

Element Min Max Similar
Total Ni - 0.3000 -
Total oth. - 0.0500 -
Mn - 0.0500 -
Ni - 0.2000 -
Cu 71.0000 73.0000 -
Al - 0.0200 -
Zn - - -
Sn - 0.0500 -
Sb - 0.0100 -
Fe - 0.0500 -
Pb - 0.0500 -
Zn - - -
Total oth. - 0.0500 -
Total Ni - 0.3000 -
Sn - 0.0500 -
Sb - 0.0100 -
Pb - 0.0500 -
Ni - 0.2000 -
Mn - 0.0500 -
Fe - 0.0500 -
Cu 71.0000 73.0000 -
Al - 0.0200 -
Zn - - -
Total oth. - 0.0500 -
Total Ni - 0.3000 -
Sn - 0.0500 -
Sb - 0.0100 -
Pb - 0.0500 -
Ni - 0.2000 -
Mn - 0.0500 -
Fe - 0.0500 -
Cu 71.0000 73.0000 -
Al - 0.0200 -
Zn - - -
Total oth. - 0.0500 -
Total Ni - 0.3000 -
Sn - 0.0500 -
Sb - 0.0100 -
Pb - 0.0500 -
Ni - 0.2000 -
Mn - 0.0500 -
Fe - 0.0500 -
Cu 71.0000 73.0000 -
Al - 0.0200 -
Zn - - -
Total oth. - 0.0500 -
Total Ni - 0.3000 -
Sn - 0.0500 -
Sb - 0.0100 -
Pb - 0.0500 -
Ni - 0.2000 -
Mn - 0.0500 -
Fe - 0.0500 -
Cu 71.0000 73.0000 -
Al - 0.0200 -
Zn - - -
Total oth. - 0.0500 -
Total Ni - 0.3000 -
Sn - 0.0500 -
Sb - 0.0100 -
Pb - 0.0500 -
Ni - 0.2000 -
Mn - 0.0500 -
Fe - 0.0500 -
Cu 71.0000 73.0000 -
Al - 0.0200 -
Zn - - -
Total Others - 0.1000 -
Sn - 0.1000 -
Pb - 0.0500 -
Ni - 0.3000 -
Fe - 0.0500 -
Cu 71.0000 73.0000 -
Al - 0.0200 -
Zn - - -
Total Others - 0.1000 -
Sn - 0.0500 -
Pb - 0.0500 -
Ni - 0.2000 -
Fe - 0.0500 -
Cu 71.0000 73.0000 -
Al - 0.0200 -

Mechanical Properties of steel grade CuZn 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)
318 (≥) 868 (≥) 22 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade CuZn 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 - -     0.32 -  
746 829 - 24.3 243   -  
294 - 22 32.2   314 122

Heat Treatment of steel grade CuZn 20

Heat treated : 1653°C - 1636°C

Technological Curves of steel grade CuZn 20

Cross Reference Table (Equivalent Grade) of CuZn 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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