J429 Grade 8.2 - SAE J429-2011

Grade	J429 Grade 8.2
Corresponding Standard	SAE J429-2011 Mechanical and material requirements for externally threaded fasteners
Classification	Carbon Steel

J429 Grade 8.2 Chemical Element Composition Content (%)

Component	C	Mn	P	S	B
Minimum Value	0.15	0.74	-	-	0.0005
Maximum Value	0.25	-	0.025	0.025	0.003

J429 Grade 8.2 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b ksi	Yield Point σ_s ksi	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
Full-Size Specimen	Quenching and Tempering	≥150
Machined Specimen	Quenching and Tempering	≥150	≥130	≥10	≥35	（HRC） ≤58.6

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"!