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Grade CuZn37
Germany W-Nr. 2.0321
Old Grade
Corresponding Standard DIN 17672-1-1983
Wrought copper and copper alloys bars；Properties.
Classification Copper and Copper Alloys
Density 8.4 g/cm3
CuZn37 Chemical Element Composition Content (%)
Component Fe Ni Cu Pb Al Sn Other Total More
Minimum Value - - 62 - - - - Zn:余量
Maximum Value 0.1 0.3 64 0.1 0.03 0.1 0.1
"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.
CuZn37 Mechanical Properties
diameter/thickness
d
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Round bar; d≤10 2.0321.10 Soft F29 (.10) ≥290 ≤250 ≥45(A5) ≈75
Square bar, hexagonal bar; d≤8 2.0321.10 Soft F29 (.10) ≥290 ≤250 ≥45(A5) ≈75
Flat bar; d≤6 2.0321.10 Soft F29 (.10) ≥290 ≤250 ≥45(A5) ≈75
Round bars; d＜40 2.0321.26 Half Hard F37 (.26) ≥370 ≥250 ≥27(A5) ≈110
Square bars, hexagonal bars; d＜35 2.0321.26 Half Hard F37 (.26) ≥370 ≥250 ≥27(A5) ≈110
Flat material; d＜6 2.0321.26 Half Hard F37 (.26) ≥370 ≥250 ≥27(A5) ≈110
Round, Square, Hexagonal Bars, Flats; Specifications as per agreement 2.0321.08 Extrusion or Hot Forging P (.08) No specification No specification No specification No specification
Rounds, squares, hexagons; specification by agreement 2.0321.20 Cold Drawing zh (.20) No specification No specification No specification No specification
New and Old Grade Replacement List
Corresponding Standard Grade
DIN 17672-1-1983
Grade
Germany W-Nr.
Old Grade
DIN EN 12163-1998
Grade
Germany W-Nr.
Old Grade
DIN EN 12163-2016
Grade
Germany W-Nr.
1 Approximate Comparison Table brass
China Japan United States International Organization for Standardization Germany European Standard Russia
GB JIS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. EN Numerical Grade GOST
H63 C2720 63Cu-37Zn C27200 CuZn37 C27200 CuZn37 C27200
2.0321 		CuZn37 CW508L Л63
2 Approximate Comparison Table Cupper and cupper alloy
Japan United States International Organization for Standardization Germany European Standard Russia Sweden United Kingdom
JIS UNS ISO DIN EN/DIN W-Nr. EN Numerical Grade GOST SS BS EN/BS
C2720 C27400 CuZn37 CuZn36
CuZn37 		2.0335 CuZn36 CW507L l63 CuZn37 CZ108
3 Approximate Comparison Table Cupper and cupper alloy
Germany European Standard
DIN EN/DIN W-Nr. EN Numerical Grade
CuZn37 2.0321 CuZn37 CW508L
CuZn37 Corresponding Standards(Same grade name, different standards)
1 EN 12163-1998
CuZn37 CW508L
2 EN 12166-1998
CuZn37 CW508L
3 EN 12166-2016
CuZn37 CW508L
4 DIN 17672-1-1983
CuZn37 2.0321 (Ms63)
5 DIN EN 12163-1998
CuZn37 CW508L (2.0321)
6 DIN EN 12163-2016
CuZn37 CW508L
7 DIN 17671-1-1983
CuZn37 2.0321 (Ms63)
8 DIN EN 12166-2016
CuZn37 CW508L
9 DIN EN 12166-1998
CuZn37 CW508L
10 DIN 17660-1983
CuZn37 2.0321 (Ms63)
11 EN 12163-2016
CuZn37 CW508L
12 SS 14 5150-1985
CuZn37 SS5150
13 EN 12420-2014
CuZn37 CW508L
14 EN 12167-2024
CuZn37 CW508L
15 DIN EN 12449-2019
CuZn37 CW508L
16 EN 12449-2023
CuZn37 CW508L

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