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

2 Approximate Comparison Table

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"!