中文版
Home Material GB /T 21652-2017
简体 | 繁體
Grade H66
China ISC T26800
Corresponding Standard GB /T 21652-2017
Copper and Copper Alloy Wire
Classification Copper and Copper Alloys
H66 Chemical Element Composition Content (%)
Component Fe ① Cu Pb Other Total More
Minimum Value - 64 - - Zn:余量
Maximum Value 0.05 68.5 0.09 0.45
"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.
H66 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Elongation or Extension Rate
δ
%
0.05~0.25 软(O60) ≥375 A100mm
≥18
＞0.25~1.0 软(O60) ≥355 A100mm
≥25
＞1.0~2.0 软(O60) ≥335 A100mm
≥30
＞2.0~4.0 软(O60) ≥315 A100mm
≥35
＞4.0~6.0 软(O60) ≥295 A100mm
≥40
＞6.0~13.0 软(O60) ≥275 A100mm
≥45
＞13.0~18.0 软(O60) ≥275 A
≥50
0.05~0.25 1/8硬(H00) ≥385 A100mm
≥18
＞0.25~1.0 1/8硬(H00) ≥365 A100mm
≥20
＞1.0~2.0 1/8硬(H00) ≥350 A100mm
≥24
＞2.0~4.0 1/8硬(H00) ≥340 A100mm
≥28
＞4.0~6.0 1/8硬(H00) ≥330 A100mm
≥33
＞6.0~8.5 1/8硬(H00) ≥320 A100mm
≥35
0.05~0.25 1/4硬(H01) ≥400 A100mm
≥10
＞0.25~1.0 1/4硬(H01) ≥380 A100mm
≥15
＞1.0~2.0 1/4硬(H01) ≥370 A100mm
≥20
＞2.0~4.0 1/4硬(H01) ≥350 A100mm
≥25
＞4.0~6.0 1/4硬(H01) ≥340 A100mm
≥30
＞6.0~8.5 1/4硬(H01) ≥330 A100mm
≥32
0.05~0.25 1/2硬(H02) ≥410 /
＞0.25~1.0 1/2硬(H02) ≥390 A100mm
≥5
＞1.0~2.0 1/2硬(H02) ≥375 A100mm
≥10
＞2.0~4.0 1/2硬(H02) ≥355 A100mm
≥12
＞4.0~6.0 1/2硬(H02) ≥345 A100mm
≥14
＞6.0~8.5 1/2硬(H02) ≥340 A100mm
≥16
0.05~0.25 3/4硬(H03) 540~735 /
＞0.25~1.0 3/4硬(H03) 490~685 /
＞1.0~2.0 3/4硬(H03) 440~635 /
＞2.0~4.0 3/4硬(H03) 390~590 /
＞4.0~6.0 3/4硬(H03) 345~540 /
＞6.0~8.5 3/4硬(H03) 340~520 /
0.05~0.25 硬(H04) 735~930 /
＞0.25~1.0 硬(H04) 685~885 /
＞1.0~2.0 硬(H04) 635~835 /
＞2.0~4.0 硬(H04) 590~785 /
＞4.0~6.0 硬(H04) 540~735 /
＞6.0~8.5 硬(H04) 490~685 /
0.1~0.25 特硬(H06) ≥800 /
＞0.25~1.0 特硬(H06) ≥780 /
＞1.0~2.0 特硬(H06) ≥750 /
＞2.0~4.0 特硬(H06) ≥720 /
＞4.0~6.0 特硬(H06) ≥690 /
Approximate Comparison Table Brass
China Japan United States International Organization for Standardization Russia United Kingdom
GB JIS ASTM UNS ISO Numerical Grade GOST Commercial Grade BS EN/BS
H66 C2680 66Cu-34Zn C26800 CuZn34 C26800 Л66 CZ107 C26800
H66 Corresponding Standards(Same grade name, different standards)
1 GB /T 5231-2012
H66 C26800
2 GB /T 2040-2017
H66 C26800
3 GB /T 5231-2022
H66 C26800
4 GB /T 3114-2023
H66 C26800
5 GB /T 21652-2017
H66 T26800

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