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Grade CuZn37Mn3Al2PbSi
European Standard Steel Grade CW713R
Corresponding Standard EN 12449-2023
Copper and Copper Alloys - Seamless, Round Tubes for General Purposes
Classification Copper and Copper Alloys
Density 8.1 g/cm3
CuZn37Mn3Al2PbSi Chemical Element Composition Content (%)
Component Fe Si Mn Ni Cu Pb Al Sn Other Total More
Minimum Value - 0.3 1.5 - 57 0.2 1.3 - - Zn：Rem.
Maximum Value 1 1.3 3 1 59 0.8 2.3 0.4 0.3
"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.
CuZn37Mn3Al2PbSi Mechanical Properties
Wall thickness
t
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Specified Plastic Yield Strength
Rp0.2
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
t≤8 R540 ≥540 ≥250 ≥10
t≤8 H145 140~180
t≤5 R590 ≥590 ≥320 ≥8
t≤5 H155 150~190
t≤3 R640 ≥640 ≥350 ≥5
t≤3 H165 ≥160
Approximate Comparison Table Copper and Copper Alloy
Germany European Standard
DIN EN/DIN W-Nr. EN Numerical Grade
CuZn40Al2 2.0550 CuZn37Mn3Al2PbSi CW713R
CuZn37Mn3Al2PbSi Corresponding Standards(Same grade name, different standards)
1 CEN /TS 13388-2020
CuZn37Mn3Al2PbSi CW713R UH-12
2 EN 12164-2016
CuZn37Mn3Al2PbSi CW713R UH-12
3 EN 12167-2024
CuZn37Mn3Al2PbSi CW713R
4 DIN EN 12449-2019
CuZn37Mn3Al2PbSi CW713R
5 EN 12449-2023
CuZn37Mn3Al2PbSi CW713R

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