C70D2B - GB /T 24242.4-2014 - H2ABC

中文版

Grade	C70D2B
Corresponding Standard	GB /T 24242.4-2014 Non-alloy Steel Wire Rod for Conversion to Wire - Part 4: Specific Requirements for Wire Rod for Special Applications (Iso 16120-4:2011, Mod)
Classification	Carbon Steel

C70D2B Chemical Element Composition Content (%)

Component	C	Si	Mn ^④	P	S	Cr	Ni	Cu	Mo	N	Al
Minimum Value	0.68	0.1	0.6	-	-	-	-	-	-	-	-
Maximum Value	0.72	0.3	0.9	0.02	0.025	0.1	0.1	0.15	0.03	0.007	0.01

C70D2B Mechanical Properties

diameter d mm	Mark	Tensile Strength σ_b Mpa
d≤13	Carbon content > 0.2% ~ ≤ 0.7%	Tensile strength fluctuation range / MPa: 120
d>13	Carbon content > 0.2% ~ ≤ 0.7%	Tensile Strength Fluctuation Range / MPa: 140
d≤13	Carbon content > 0.7%	Tensile Strength Fluctuation Range / MPa: 140
d>13	Carbon content > 0.7%	Tensile strength fluctuation range / MPa: 170

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