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Grade Cu-HCP
European Standard Steel Grade CW021A
Corresponding Standard EN 12449-2023
Copper and Copper Alloys - Seamless, Round Tubes for General Purposes
Classification Copper and Copper Alloys
Density 8.9 g/cm3
Cu-HCP Chemical Element Composition Content (%)
Component P Cu ① Pb Bi Ag ① Other Total ③
Minimum Value 0.002 99.95 - - - -
Maximum Value 0.007 - 0.005 0.0005 0.015 0.03
"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.
① Including Ag, the maximum content of Ag that can be reached.
② The oxygen content shall be such that the material conforms to the hydrogen embrittlement requirements of EN1976..
③ Excluding Ag, P.
Cu-HCP 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≤20 H035 35~60
t≤20 R200 ≥200 ≤120 ≥35
t≤10 H065 60~90
t≤10 R250 ≥250 ≥150 ≥15
t≤5 H090 85~105
t≤5 R290 ≥290 ≥250 ≥5
t≤3 H100 ≥95
t≤3 R360 ≥360 ≥320 ≥3 (given for information only)
1 Approximate Comparison Table Processing Pure Copper, Silver Copper
China Japan United States International Organization for Standardization Germany France European Standard Russia
GB ISC JIS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST
T1 T10900 C1020
Cu99.96 		99.95Cu C10200 Cu-HPC C10200 Cu-HPC C10200 Cu-HPC
C10200 		Cu-HCP CW021 М0б
2 Approximate Comparison Table Copper and Copper Alloy
Germany European Standard
DIN EN/DIN W-Nr. EN Numerical Grade
SE-Cu 2.0070 Cu-HCP CW021A
Cu-HCP Corresponding Standards(Same grade name, different standards)
1 GB /T 20078-2006
Cu-HCP CW021A
2 DIN EN 12449-2019
Cu-HCP CW021A
3 EN 12449-2023
Cu-HCP CW021A
4 EN 13599-2014
Cu-HCP CW021A
5 EN 12165-2024
Cu-HCP CW021A
6 EN 13601-2021
Cu-HCP CW021A

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!