Compression spring D-212A Spring steel Ø 1.6 x 20 x 240 mm

Name: D-212A - Compression springs
SKU: D-212A
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	1.6	mm	Wire diameter
Di		mm	Inner coil diameter
D	20	mm	Mean coil diameter
De	21.6	mm	Outer coil diameter
Dd	17.7	mm	maximum diameter of mandrel
Dh	23	mm	minimum diameter of bush
L0	240	mm	unstressed spring length
Lk	220.7	mm	buckling length
Fn	70.015	N	maximum force in static use
Ln	51.24	mm	Minimum length in static use
sn	188.76	mm	Maximum spring deflection in static use
Fndyn	67.781	N	maximum force in dynamic use
Lndyn	57.26	mm	Minimum length in dynamic use
shdyn	78.2	mm	Maximum stroke in dynamic use
S	10.596	mm	pitch of spring
n	22.5	pc.	number of active coils
nt		pc.	total number of coils
R	0.371	N/mm	Spring rate
Weight	24.4656	g	weight of one spring
Fntol	3.83	N	(+/-) tolerance of maximum force in static use
Fndtol	3.8	N	(+/-) tolerance of maximum dynamic force
Detol	0.45	mm	(+/-) tolerances of outer coil diameter
L0tol	7.5	mm	(+/-) tolerance of unstressed spring length
Price group	J	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force