C30EC - ISO 4954-1-2024

Grade	C30EC
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

C30EC Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cu
Minimum Value	0.27	-	0.5	-	-	-
Maximum Value	0.33	0.3	0.8	0.025	0.025	0.25

C30EC Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
10＜d≤40	+AC or +AC+PE	≤590	-
2≤d≤40	+AR+C+AC+LC	≤620	≥55
5＜d≤40	+AC+C	≤620	≥55

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 cold heading and cold extruding steels for quenching and tempering

Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

Japan	International Organization for Standardization	European Standard
JIS	ISO	EN
SWRCH30K	C30EC	C30EC

C30EC Corresponding Standards(Same grade name, different standards)

1	ISO 4954-2018
	C30EC
2	ISO 4954-1-2024
	C30EC

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