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Home Material GB /T 21652-2017
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Grade BZn22-16
China ISC T76400
Corresponding Standard GB /T 21652-2017
Copper and Copper Alloy Wire
Classification Copper and Copper Alloys
BZn22-16 Chemical Element Composition Content (%)
Component Fe C Si Mn P S Ni ① Cu Ti Pb Al Sn Bi ② Sb ② Other Total More
Minimum Value - - - - - - 20.5 60 - - - - - - - Zn：余量
Maximum Value 0.3 0.03 0.15 0.5 0.005 0.005 23.5 63 0.005 0.03 0.005 0.08 0.002 0.002 0.8
"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.
BZn22-16 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Elongation or Extension Rate
δ
%
0.1~0.2 软(O60) ≥440 A100mm
≥12
＞0.2~0.5 软(O60) ≥440 A100mm
≥16
＞0.5~2.0 软(O60) ≥440 A100mm
≥23
＞2.0~8.0 软(O60) ≥440 A100mm
≥28
0.1~0.2 1/8硬(H00) 500~680 A100mm
≥10
＞0.2~0.5 1/8硬(H00) 490~650 A100mm
≥12
＞0.5~2.0 1/8硬(H00) 470~630 A100mm
≥15
＞2.0~8.0 1/8硬(H00) 460~600 A100mm
≥18
0.1~0.2 1/4硬(H01) 540~720 /
＞0.2~0.5 1/4硬(H01) 520~690 A100mm
≥6
＞0.5~2.0 1/4硬(H01) 500~670 A100mm
≥8
＞2.0~8.0 1/4硬(H01) 480~650 A100mm
≥10
0.1~0.2 1/2硬(H02) 640~830 /
＞0.2~0.5 1/2硬(H02) 620~800
＞0.5~2.0 1/2硬(H02) 600~780
＞2.0~8.0 1/2硬(H02) 580~760
0.1~0.2 3/4硬(H03) 660~880 /
＞0.2~0.5 3/4硬(H03) 640~850 /
＞0.5~2.0 3/4硬(H03) 620~830 /
＞2.0~8.0 3/4硬(H03) 600~810 /
0.1~0.2 硬(H04) 750~990 /
＞0.2~0.5 硬(H04) 740~950 /
＞0.5~2.0 硬(H04) 650~900 /
＞2.0~8.0 硬(H04) 630~860 /
0.1~1.0 特硬(H06) ≥820 /
＞1.0~2.0 ≥810 /
＞2.0~4.0 ≥800 /
BZn22-16 Corresponding Standards(Same grade name, different standards)
1 GB /T 5231-2012
BZn22-16 T76400
2 GB /T 5231-2022
BZn22-16 T76400
3 GB /T 3114-2023
BZn22-16 T76400
4 GB /T 21652-2017
BZn22-16 T76400

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