C15GC - ISO 4954-1-2024

Grade	C15GC
Corresponding Standard	ISO 4954-1-2024 Steels for Cold Heading and Cold Extruding - Technical Delivery Conditions - Part1: Non-Alloy and Alloy Steels
Classification	Carbon Steel

C15GC Chemical Element Composition Content (%)

Component	C	Si ^①	Mn	P	S	Cr	Ni	Cu	Mo	Al ^①	More
Minimum Value	0.13	0.15	0.35	-	-	-	-	-	-	-	Cr+Ni+Mo≤0.50
Maximum Value	0.17	0.25	0.6	0.025	0.025	0.3	0.3	0.3	0.1	0.015	Cr+Ni+Mo≤0.50

① Grades C15GC can be delivered in two qualities: a) with an aluminium content of Al max. 0,015 %, or b) without aluminium and a silicon content of 0,15 % to 0,25 % for hot dip zinc coating.

C15GC Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
5＜d≤100	+AR or +AR+PE	≤460	≥58*
5＜d≤100	+AC or +AC+PE	≤400	≥68
5＜d≤10	+AR+C	≤550	≥56
10＜d≤40		≤540	≥56
2≤d≤5	+AR+C+AC	≤390	≥70
5＜d≤10		≤380	≥70
10＜d≤40		≤380	≥70
2≤d≤5	+AR+C+AC+LC	≤430	≥66
5＜d≤40		≤420	≥66
5＜d≤10	+AC+C	≤490	≥63
10＜d≤40		≤480	≥63

①+AR=as hot-rolled；+AR or +PE=as hot-rolled or peeled；+AR+C=as hot-rolled+cold drawn；+AR+C+AC=as hot-rolled+cold drawn+spheroidized；+AR+C+AC+LC=as hot-rolled+cold drawn+spheroidized+skin passed；+AC= spheroidized ；+AC or +AC+PE=spheroidized or spheroidized+peeled；+AC+C=spheroidized +cold drawn；+FP=treated to ferrite-pearlite structure and hardness range；+AC+C+AC=spheroidized +cold drawn + spheroidized；+AC+C+AC+LC=spheroidized +cold drawn + spheroidized + skin passed

• Mechanical properties of wire rod, bars and wire not intended for heat treatment after cold working
* The values are given only for information.

1 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

Japan	International Organization for Standardization
JIS	ISO
SWRCH15K	C15GC

2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China	Japan	South Korea	United States	International Organization for Standardization	Germany	European Standard	United Kingdom
GB	JIS	KS	ASTM	ISO	DIN EN/DIN	EN	BS EN/BS
ML15	SWRCH15K	SWCH15K	1015	CC15A C15GC	QSt38-3	C15E2C	0/3

C15GC Corresponding Standards(Same grade name, different standards)

1	ISO 4954-2018
	C15GC
2	ISO 4954-1-2024
	C15GC

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