F468 Cu 651 C65100 - ASTM F468-2023

Grade	F468 Cu 651
USA UNS	C65100
Corresponding Standard	ASTM F468-2023 Nonferrous Bolts, Hex Cap Screws, Socket Head Cap Screws, and Studs for General Use
Classification	Copper and Copper Alloys

F468 Cu 651 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Pb	Zn	More
Minimum Value	-	0.8	-	-	-	Cu:Balance
Maximum Value	0.8	2	0.7	0.05	1.5	Cu:Balance

• Silver is to be counted as copper
• Minimum content of copper plus all other elements with specified limits shall be 99.5%.
• Cobalt is to be counted as nickel.

F468 Cu 651 Mechanical Properties

Nominal Thread d in.	Mark	Heat Treatment or Condition	Tensile Strength σ_b ksi	Yield Point σ_s ksi	Elongation or Extension Rate δ %	Hardness HBW
d=0.25~0.75; Full Size Sample	F468K	Forming or Stress Relieving*	70~100	≥55		HRB 75~95
d=0.25~0.75; Machined Sample	F468K	Forming or Stress Relieving*	≥70	≥53	≥8	HRB 75~95
d=0.875~1.5; full-size sample	F468K	Forming or Stress Relieving*	55~90	≥40		HRB 70~95
d=0.875~1.5; machined specimen	F468K	Forming or Stress Relieving*	≥54	≥38	≥8	HRB 70~95

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