C4C 1.0303 - EN 10263-2-2017

Grade	C4C
European Standard Steel Grade	1.0303
Corresponding Standard	EN 10263-2-2017 Steel rod,bars and wire for cold heading and cold extrusion - Part 2: Technical delivery conditions for steels not intended for heat treatment after cold working
Classification	Carbon Steel
Properties	Forgability

C4C Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Al ^*
Minimum Value	0.02	-	0.25	-	-	0.02
Maximum Value	0.06	0.1	0.4	0.02	0.025	0.06

C4C Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
Coil, steel bar; 5 < d ≤ 100	Hot Rolled or Untreated and Pickled (+U or +U+PE)	≤390	≥70
Coil, steel bar; 5 < d ≤ 100	Spheroidizing Annealing or Spheroidizing Annealing + Descaling (+AC or +AC+PE)	≤330	≥75
Steel bar, wire; 5 < d ≤ 10	Untreated and Cold Drawn (+U+C)	≤470	≥66
Steel bar, wire; 10 < d ≤ 40	Untreated and Cold Drawn (+U+C)	≤460	≥66
Steel rods, steel wires; 2＜d≤5	Untreated, Cold Drawn, and Spheroidized (+U+C+AC)	≤320	≥77
Steel bar, wire; 5 < d ≤ 10	Untreated, Cold Drawn, and Spheroidized (+U+C+AC)	≤310	≥77
Steel bar, wire; 10 < d ≤ 40	Untreated, Cold Drawn, and Spheroidized (+U+C+AC)	≤300	≥77
Coil bars, steel bars; 2＜d≤5	Untreated, Cold Drawn, Spheroidized, and Flattened (+U+C+AC+LC)	≤360	≥73
Coiled bars, steel bars; 5＜d≤40	Untreated, Cold Drawn, Spheroidized, and Flattened (+U+C+AC+LC)	≤350	≥73
Steel bar, wire; 5 < d ≤ 10	Spheroidized Annealing and Cold Drawing (+AC+C)	≤410	≥70
Steel bar, wire; 10 < d ≤ 40	Spheroidized Annealing and Cold Drawing (+AC+C)	≤400	≥70

1 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

Japan	International Organization for Standardization	European Standard
JIS	ISO	EN	Numerical Grade
SWRCH6A	C2C C4C	C2C C4C	1.0314 1.0303

2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China		United States	International Organization for Standardization	European Standard
GB	ISC	ASTM	ISO	EN	Numerical Grade
ML04Al	U40048	1005	CC4A	C4C	1.0303

3 Approximate Comparison Table High-Quality Carbon Structural Steel

C4C 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"!