C55S 1.1204 - DIN EN 10132-4-2000(+AC:2002)

Grade	C55S
Germany W-Nr.	1.1204
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

C55S Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo
Minimum Value	0.52	0.15	0.6	-	-	-	-	-
Maximum Value	0.6	0.35	0.9	0.025	0.025	0.4	0.4	0.1

C55S Mechanical Properties

thickness t mm	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	Annealing (+A) or Annealing and Flattening (+LC)	≤600	≤480	≥17	HV ≤185
0.3≤t≤3	Cold Rolled (+CR)	≤1070			≤300
0.3≤t≤3	Tempering (+QT)	1100~1700			340~520

C55S 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"!