56Si7 1.5026 - DIN EN 10132-4-2000(+AC:2002)

Grade	56Si7
Germany W-Nr.	1.5026
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

56Si7 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo
Minimum Value	0.52	1.6	0.6	-	-	-	-	-
Maximum Value	0.6	2	0.9	0.025	0.025	0.4	0.4	0.1

56Si7 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)	≤740	≤600	≥12	HV ≤230
0.3≤t≤3	Tempering (+QT)	1200~1700			370~520

56Si7 Corresponding Standards(Same grade name, different standards)

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