J429 Grade 5.1 - SAE J429-2011

Grade	J429 Grade 5.1
Corresponding Standard	SAE J429-2011 Mechanical and Material Requirements for Externally Threaded Fasteners
Classification	Carbon Steel

J429 Grade 5.1 Chemical Element Composition Content (%)

Component	C	P	S
Minimum Value	0.15	-	-
Maximum Value	0.3	0.025	0.025

J429 Grade 5.1 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b ksi	Hardness HBW
Quenching and Tempering	≥120	（HRC） ≤59.5

Note: Full Size means a tension test specimen consisting of a completed fastener for testing in the ready to use condition without alteration

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