Grade F468 Cu 655
USA UNS C65500
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 655 Chemical Element Composition Content (%)
Component Fe Si Mn Ni Pb Zn More
Minimum Value - 2.8 0.05 - - - Cu:Balance
Maximum Value 0.8 3.8 1.3 0.6 0.05 1.5
• Silver is to be counted as copper
• Minimum content of copper plus all other elements with specified limits shall be 99.5%.
F468 Cu 655 Mechanical Properties
Nominal Thread
d
in.
Mark
Heat Treatment or Condition
Tensile Strength
σb
ksi
Yield Point
σs
ksi
Elongation or Extension Rate
δ
%
Hardness
HBW
All specifications; full-size samples F468L Forming or Stress Relieving* 50~80 ≥20 HRB
60~80
All specifications; Machined samples F468L Forming or Stress Relieving* ≥50 ≥15 ≥20 HRB
60~80
1 Approximate Comparison Table Bronze
China United States International Organization for Standardization European Standard Russia United Kingdom
GB ISC ASTM UNS ISO Numerical Grade EN Numerical Grade GOST Commercial Grade BS EN/BS
QSi3-1 T64730 96Cu-3Si-1Mn C65500 CuSi3Mn1 C65500 CuSi3Mn1 CW116C БрКМц3-1 CS101 C65500
2 Approximate Comparison Table Copper and Copper Alloy
United States International Organization for Standardization European Standard Russia United Kingdom
UNS ISO EN Numerical Grade GOST BS EN/BS
C65500 CuSi3Mn1 CuSi3Mn1 CW116C BrKMts3-1 CS101

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