Grade 6J40
Other Names
Corresponding Standard GB /T 6145-2010
Manganin and constantanalloy wires , sheetandrolled wiresfor precision electrical resistance
Classification Copper and Copper Alloys
6J40 Chemical Element Composition Content (%)
Component Mn Ni More
Minimum Value 1 39 Cu:余量
Maximum Value 2 41
6J40 Mechanical Properties
condition Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
Wire rod; d≤0.05 ≥390 ≥6
Wire rod; 0.05<d≤0.1 ≥390 ≥8
Wire rod; 0.1<d≤0.5 ≥390 ≥12
Wire rod; d>0.5 ≥390 ≥15

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