Compression spring D-389A-12 Spring steel Ø 6.7 x 32.3 x 254 mm

Scaled prices - Compression spring D-389A-12

Quantity	Single price [EUR]
1	15.7400 EUR
2	12.5400 EUR
3	8.4100 EUR
7	6.6100 EUR
17	5.0200 EUR
37	4.3300 EUR
75	4.2600 EUR
125	4.2510 EUR
175	4.2214 EUR
250	4.1716 EUR
350	4.0828 EUR

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Technical Data - Compression spring D-389A-12

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	6.7	mm	Wire diameter
Di		mm	Inner coil diameter
D	32.3	mm	Mean coil diameter
De	39	mm	Outer coil diameter
Dd	24.6	mm	maximum diameter of mandrel
Dh	40.2	mm	minimum diameter of bush
L0	254	mm	unstressed spring length
Lk	202.4	mm	buckling length
Fn	2106.913	N	maximum force in static use
Ln	178.78	mm	Minimum length in static use
sn	75.22	mm	Maximum spring deflection in static use
Fndyn	1831.799	N	maximum force in dynamic use
Lndyn	188.6	mm	Minimum length in dynamic use
shdyn	33.91	mm	Maximum stroke in dynamic use
S	11.37	mm	pitch of spring
n	21.75	pc.	number of active coils
nt		pc.	total number of coils
R	28.009	N/mm	Spring rate
Weight	671.6391	g	weight of one spring
Fntol	152	N	(+/-) tolerance of maximum force in static use
Fndtol	147	N	(+/-) tolerance of maximum dynamic force
Detol	0.5	mm	(+/-) tolerances of outer coil diameter
L0tol	4.27	mm	(+/-) tolerance of unstressed spring length
Price group	AP	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force

Technical drawing Compression spring

Datasheet Compression spring D-389A-12 Spring steel Ø 6.7 x 32.3 x 254 mm

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Metal spring characteristic Compression spring D-389A-12 Spring steel Ø 6.7 x 32.3 x 254 mm

Metal spring characteristic download pdf file

CAD data Compression spring D-389A-12 Spring steel Ø 6.7 x 32.3 x 254 mm

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force-path-calculation Compression spring D-389A-12 Spring steel Ø 6.7 x 32.3 x 254 mm

force-path-calculation Compression spring D-389A-12

Inquiry formular Compression spring D-389A-12 Spring steel Ø 6.7 x 32.3 x 254 mm

Inquiry formular Compression spring D-389A-12

Similar compression springs to Compression spring D-389A-12 Spring steel Ø 6.7 x 32.3 x 254 mm

Below you will find similar Compression Springs that differ from the current spring in terms of material, dimensions and spring force. The spring highlighted in green is the most similar.

A similar Compression Spring made from a different material

The Compression Spring shown below has the same dimensions but is made of a different material. Please check the spring forces.

article number	Material	d (mm)	De (mm)	L0 (mm)	Fn (N)	Ln (mm)	sn (mm)	n (pc.)	R (N/mm)	Similarity in %: Overall \| Geometrie \| Load \| Stiffness
D-389A-12	EN 10270-1	6.7	39	254	2106.913	178.78	75.22	21.75	28.009	100.0 \| 100.0 \| 100.0 \| 100.0
VD-389A-12	1.4310	6.7	39	254	1809.619	178.78	75.22	21.75	24.057	92.9 \| 100.0 \| 92.9 \| 85.9

Number of similar metal springs: 2

Similar Compression Springs with varying levels of spring force

To compare forces, enter the length of the loaded spring [L2] or the loaded spring deflection [s2] and click [Update]. Dimensions are subject to a tolerance of up to +/- 30 %.

Priority

article number	De (mm)	L0 (mm)	R (N/mm)	Material	Fn (N)	Ln (mm)	sn (mm)	Similarity in % Overall \| Geometrie \| Load \| Stiffness
D-322A	44	235	2.203	EN 10270-1	296.264	100.5	134.5	41.0 \| 80.3 \| 35.0 \| 7.9
D-313J	40	248	2.289	EN 10270-1	391.102	77.14	170.86	40.8 \| 83.0 \| 31.3 \| 8.2
D-322	44	235	3.26	EN 10270-1	536.27	70.5	164.5	42.5 \| 80.3 \| 35.6 \| 11.6
D-329A	36	250	3.537	EN 10270-1	475.275	115.64	134.36	45.1 \| 83.5 \| 39.3 \| 12.6
D-329	36	250	4.302	EN 10270-1	660.363	96.5	153.5	46.3 \| 83.5 \| 40.2 \| 15.4
D-359A	37	230	8.636	EN 10270-1	771.528	140.66	89.34	59.3 \| 86.7 \| 60.4 \| 30.8
D-359	37	230	10.503	EN 10270-1	1182.323	117.43	112.57	61.9 \| 86.7 \| 61.5 \| 37.5
D-384A	46.3	280	11.145	EN 10270-1	1146.827	177.1	102.9	64.4 \| 89.7 \| 63.8 \| 39.8
D-384	46.3	280	13.554	EN 10270-1	1791.169	147.85	132.15	69.7 \| 89.7 \| 71.0 \| 48.4
D-364R-12	39	254	18.002	EN 10270-1	1827.231	152.5	101.5	80.1 \| 95.5 \| 80.4 \| 64.3
D-364R-11	39	203	21.727	EN 10270-1	1835.921	118.5	84.5	84.8 \| 88.8 \| 88.1 \| 77.6
D-389A	38.3	225	21.767	EN 10270-1	1109.881	174.01	50.99	77.2 \| 93.6 \| 60.2 \| 77.7
D-389N-05	46	236	25.772	EN 10270-1	2411.864	142.41	93.59	89.0 \| 91.1 \| 83.9 \| 92.0
D-389	38.3	225	26.473	EN 10270-1	2109.513	145.32	79.68	95.1 \| 93.6 \| 97.1 \| 94.5
D-389A-12	39	254	28.009	EN 10270-1	2106.913	178.78	75.22	100.0 \| 100.0 \| 100.0 \| 100.0
D-389A-11	39	203	34.811	EN 10270-1	1968.148	146.46	56.54	86.0 \| 93.3 \| 84.3 \| 80.5
D-413A	48	248	35.243	EN 10270-1	2243.232	184.35	63.65	85.4 \| 87.5 \| 89.3 \| 79.5
D-414AE	42	200	75.834	EN 10270-1	4380.577	142.23	57.77	61.5 \| 85.1 \| 62.4 \| 36.9

Number of similar metal springs: 17

Customs tariff number: 73202081; Compression spring D-389A-12

Country of origin: DE, German; Compression spring D-389A-12

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