18B2 1.5503 - EN 10263-3-2017

Grade	18B2
European Standard Steel Grade	1.5503
Corresponding Standard	EN 10263-3-2017 Steel rod, bars and wire for cold heading and cold extrusion Part 3: Technical delivery conditions for steels for case hardening steels
Classification	Alloy Steel

18B2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cu	B
Minimum Value	0.16	-	0.6	-	-	-	0.0008
Maximum Value	0.2	0.3	0.8	0.025	0.025	0.25	0.005

18B2 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
Bars, rods, wire; 5<d≤40	Untreated (+U)	≤520	≥58
Bars, rods, wire; 5<d≤40	Spheroidizing or Spheroidizing + Rotary Peeling (+AC or +AC+PE)	≤460	≥64
Bars, wire; 5<d≤10	Untreated and Cold Drawn (+U+C)	≤610	≥56
Bars, wire; 10<d≤40	Untreated and Cold Drawn (+U+C)	≤600	≥56
Bar, wire; 2<d≤5	Untreated, Cold Drawn, and Spheroidized (+U+C+AC)	≤450	≥67
Bar, wire; 5<d≤40	Untreated, Cold Drawn, and Spheroidized (+U+C+AC)	≤440	≥67
Bar, wire; 2<d≤5	Untreated, Cold Drawn, Spheroidizing Treatment, and Tempered Rolling (+U+C+AC+LC)	≤490	≥65
Bar, wire; 5<d≤40	Untreated, Cold Drawn, Spheroidizing Treatment, and Tempered Rolling (+U+C+AC+LC)	≤480	≥65
Bars, wire; 5<d≤10	Spheroidizing Treatment and Cold Drawing (+AC+C)	≤550	≥62
Bars, wire; 10<d≤40	Spheroidizing Treatment and Cold Drawing (+AC+C)	≤540	≥62

Approximate Comparison Table

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
18B2	18B2	1.5503

18B2 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"!