J429 Grade 2 - SAE J429-2011

Grade	J429 Grade 2
Corresponding Standard	SAE J429-2011 Mechanical and Material Requirements for Externally Threaded Fasteners
Classification	Carbon Steel

J429 Grade 2 Chemical Element Composition Content (%)

Component	C	P	S ^①
Minimum Value	0.15	-	-
Maximum Value	0.55	0.025	0.025

J429 Grade 2 Mechanical Properties

	Tensile Strength σ_b ksi	Yield Point σ_s ksi	Elongation or Extension Rate δ %	Reduction of Area ψ %
1/4 ~ 3/4 (Full-Size Specimen)*	≥74
3/4 ~ 1-1/2 (Full-Size Specimen)	≥60
1/4 ~ 3/4 (Machined Specimen)*	≥74	≥57	≥18	≥35
3/4 ~ 1-1/2 (Machined Specimen)	≥60	≥36	≥18	≥35

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"!