17MnB4 - ISO 4954-2018

Grade	17MnB4
Corresponding Standard	ISO 4954-2018 Steels for Cold Heading and Cold Extruding
Classification	Alloy Steel

17MnB4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	B
Minimum Value	0.15	-	0.9	-	-	-	-	0.0008
Maximum Value	0.2	0.3	1.2	0.025	0.025	0.3	0.25	0.005

17MnB4 Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
5＜d≤25	+AR or +PE	≤570	≥60
5＜d≤25	+AC or +AC+PE	≤480	≥67
5＜d≤10	+AR+C	≤660	≥55
10＜d≤25	+AR+C	≤650	≥55
2＜d≤5	+AR+C+AC	≤470	≥69
5＜d≤25	+AR+C+AC	≤460	≥69
2＜d≤5	+AR+C+AC+LC	≤510	≥67
5＜d≤25	+AR+C+AC+LC	≤500	≥67
5＜d≤10	+AC+C	≤570	≥62
10＜d≤25	+AC+C	≤560	≥62

Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
17 MnB4	17 MnB4	1.5520

17MnB4 Corresponding Standards(Same grade name, different standards)

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