SNB23-2 - JIS G 4108-2010 - H2ABC

中文版

Grade	SNB23-2
Corresponding Standard	JIS G 4108-2010 Alloy Steel Bars for Special Application Bolting Materials (Amendment 1)
Classification	Alloy Steel

SNB23-2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo
Minimum Value	0.37	0.2	0.6	-	-	0.65	1.55	0.2
Maximum Value	0.44	0.35	0.95	0.025	0.025	0.95	2	0.3

SNB23-2 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Bar; d≤75	Quenching + Tempering	≥1070	≥960	≥11	≥40	311~388	≥40
Bars; 75<d≤150	Quenching + Tempering	≥1070	≥960	≥11	≥40	311~401	*
Bar stock; 150 < d ≤ 240	Quenching + Tempering	≥1070	≥960	≥11	≥40	321~415	*
Bar; d≤240	Annealing					≤235

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