C67S 1.1231 - DIN EN 10132-4-2000(+AC:2002)

Grade	C67S
Germany W-Nr.	1.1231
Corresponding Standard	DIN EN 10132-4-2000(+AC:2002) Cold-Rolled Narrow Steel Strip for Heat Treatment-Technical Delivery Conditions Part 4: Spring Steels and Other Applications (Includes Corrigendum AC:2002)
Classification	Spring Steel
Properties	Strength Elasticity

C67S Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo
Minimum Value	0.65	0.15	0.6	-	-	-	-	-
Maximum Value	0.73	0.35	0.9	0.025	0.025	0.4	0.4	0.1

C67S Mechanical Properties

thickness t mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
0.3≤t≤3	C67S A/LC	Annealing (+A) or Annealing and Flattening (+LC)	≤600	≤510	≥16	HV ≤200
0.3≤t≤3	C67S CR	Cold rolled (+CR)	≤1140			HV ≤315
	C67S QT	Quenching and Tempering (+QT)	1200~1900			HV 370~580

New and Old Grade Replacement List

1 Approximate Comparison Table High-Quality Carbon Structural Steel

China		United States		International Organization for Standardization	Germany		France	Russia	Sweden	United Kingdom
GB	ISC	ASTM/AISI	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	SS	BS EN/BS
65	U20652	1065	G10650	SL SM	Ck67	1.1231	XC65	65	1770	060A67

2 Approximate Comparison Table Spring Steel

China		Japan	United States		International Organization for Standardization	Germany		France	Russia	Sweden	United Kingdom
GB	ISC	JIS	AISI	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	SS₁₄	BS EN/BS
65	U20652	SUP2	1065	G10650	Type DC	Ck67	1.1231	XC65	65	1770	060A67

C67S 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"!