Grade H70
China ISC T26100
Corresponding Standard GB /T 3114-2023
Copper and Copper Alloy Rectangular Wires
Classification Copper and Copper Alloys
Properties Corrosion Resistance Impact Resistance Good Machinability Good Weldability
H70 Chemical Element Composition Content (%)
Component Fe Cu Pb More
Minimum Value - 68.5 - Zn:余量; Cu+所列元素总和≥99.7
Maximum Value 0.1 71.5 0.03
H70 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
软化退火(O60) ≥275 ≥32
1/2硬(H02) ≥340 ≥15
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
H70 C2600 70Cu-30Zn C26000 CuZn30 C26000 CuZn30 C26000
2.0265
CuZn30 CW505L Л70

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