17MnB4 1.5520 - EN 10263-4-2017

Grade	17MnB4
European Standard Steel Grade	1.5520
Corresponding Standard	EN 10263-4-2017 Steel Rod, Bars and Wire For Cold Heading and Cold Extrusion Part 4: Technical Delivery Conditions for Steels for Quenching and Tempering
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

condtition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
Bar, rod, wire; 5<d≤25	Untreated or Pickling (+U or +PE)	≤570	≥60
Bar, rod, wire; 5<d≤25	Spheroidizing or Spheroidizing and Peeling (+AC or +AC+PE)	≤480	≥67
Wire; 5<d≤10	Untreated and Cold Drawn (+U+C)	≤660	≥55
Wires; 10<d≤25	Untreated and Cold Drawn (+U+C)	≤650	≥55
Wire; 2<d≤5	Unheated, Cold Drawn, and Spheroidized (+U+C+AC)	≤470	≥69
Wire Rods; 5<d≤25	Unheated, Cold Drawn, and Spheroidized (+U+C+AC)	≤460	≥69
Wire; 2<d≤5	Unheated, Cold Drawn, Spheroidized, and Quenched Rolling (+U+C+AC+LC)	≤510	≥67
Wire Rods; 5<d≤25	Unheated, Cold Drawn, Spheroidized, and Quenched Rolling (+U+C+AC+LC)	≤500	≥67
Wire; 5<d≤10	Spheroidizing + Cold Drawn (+AC+C)	≤570	≥62
Wires; 10<d≤25	Spheroidizing + Cold Drawn (+AC+C)	≤560	≥62

1 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

2 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"!