Compression spring D-413A Spring steel Ø 8 x 40 x 248 mm

Name: D-413A - Compression springs
SKU: D-413A
Availability: InStock

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Formula symbols	Value	Unit	Description
Material	EN 10270-1	-	Type of material
Spring ends	Closed and ground	-	Spring ends
F1		N	prestressed spring force
L1		mm	Prestressed spring length
s1		mm	Prestressed spring deflection
F2		N	Loaded spring force
L2		mm	Loaded spring length
s2		mm	Loaded spring deflection
d	8	mm	Wire diameter
Di		mm	Inner coil diameter
D	40	mm	Mean coil diameter
De	48	mm	Outer coil diameter
Dd	30.8	mm	maximum diameter of mandrel
Dh	49.3	mm	minimum diameter of bush
L0	248	mm	unstressed spring length
Lk	156.8	mm	buckling length
Fn	2243.232	N	maximum force in static use
Ln	184.35	mm	Minimum length in static use
sn	63.65	mm	Maximum spring deflection in static use
Fndyn	1884.456	N	maximum force in dynamic use
Lndyn	194.53	mm	Minimum length in dynamic use
shdyn	43.24	mm	Maximum stroke in dynamic use
S	12.973	mm	pitch of spring
n	18.5	pc.	number of active coils
nt		pc.	total number of coils
R	35.243	N/mm	Spring rate
Weight	1023.5617	g	weight of one spring
Fntol	185	N	(+/-) tolerance of maximum force in static use
Fndtol	180	N	(+/-) tolerance of maximum dynamic force
Detol	0.5	mm	(+/-) tolerances of outer coil diameter
L0tol	4.31	mm	(+/-) tolerance of unstressed spring length
Price group	AR	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force