Grade F468MG Cu 614
USA UNS C61400
Corresponding Standard ASTM F468M-2006(R2012)
Nonferrous Bolts, Hex Cap Screws, and Studs for General Use (Metric)
Classification Copper and Copper Alloys
F468MG Cu 614 Chemical Element Composition Content (%)
Component Fe Mn Cu Al
Minimum Value 1.5 - 88 6
Maximum Value 3.5 1 - 8
F468MG Cu 614 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Full-Size 520~760 ≥240 HRB
70~95
Machined Specimen ≥520 ≥240 ≥30 70~95
Note1: Where both tension and hardness tests are performed, the tension tests shall take precedence for acceptance purposes.
Note2: The yield and tensile streng1h values for full-size products shall be computed by dividing the yield and maximum tensile load by the stress area for the product diameter and thread pitch as given in table on tensile stress areas

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