Grade F1852 Type 3 Class A
Corresponding Standard ASTM F1852-2014
“Twist Off” Type Tension Control Structural Bolt/Nut/Washer Assemblies, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength
Classification Alloy Steel
F1852 Type 3 Class A Chemical Element Composition Content (%)
  Component C Si Mn P S Cr Ni Cu
Heat Analysis Minimum Value 0.33 0.15 0.9 - - 0.45 0.25 0.25
Maximum Value 0.4 0.35 1.2 0.04 0.05 0.65 0.45 0.45
  Component C Si Mn P S Cr Ni Cu
Product Analysis Minimum Value 0.31 0.13 0.86 - - 0.42 0.22 0.22
Maximum Value 0.42 0.37 1.24 0.045 0.055 0.68 0.48 0.48
F1852 Type 3 Class A Mechanical Properties
Tensile Strength
σb
Mpa
Hardness
HBW
1/2 ~ 1 / L<3D 827 253~319
1/2 ~ 1 / L≥3D 827 ≤319
1-1/8 / L<3D 724 223~286
1-1/8 / L≥3D 724 ≤286

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