Compression Springs Music Wire

Info

D₀ (mm) min max

d (mm) min max

L₀ (mm) min max

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Part Number	D₀ (mm)	d (mm)	L₀ (mm)	L₁ (mm)	Sh (mm)	P₁ (N)	R (N/mm)
D10100	1.20	0.20	2.00	1.40	1.30	2.57	4.91
D10110	1.20	0.20	2.70	1.90	1.70	2.57	3.12
D10120	1.20	0.20	3.90	2.60	2.30	2.57	2.03
D10130	1.20	0.20	5.50	3.60	3.10	2.57	1.38
D10140	1.20	0.20	7.80	5.00	4.30	2.57	0.92
D10150	1.40	0.20	2.30	1.50	1.30	2.27	2.83
D10160	1.40	0.20	3.20	1.90	1.70	2.27	1.81
D10170	1.40	0.20	4.60	2.70	2.30	2.27	1.16
D10180	1.40	0.20	6.50	3.70	3.10	2.27	0.80
D10190	1.40	0.20	9.30	5.10	4.30	2.27	0.54
C00570060120M	1.45	0.15	3.05	1.50	1.12	1.023	0.67
C00570060190M	1.45	0.15	4.83	2.16	1.52	1.023	0.39
C00570060250M	1.45	0.15	6.35	2.69	1.91	1.023	0.28
C00570060310M	1.45	0.15	7.87	3.38	2.24	1.023	0.23
C00570060380M	1.45	0.15	9.65	4.34	2.54	1.023	0.19
C00570060440M	1.45	0.15	11.18	4.67	3.00	1.023	0.16
C00570060500M	1.45	0.15	12.70	5.41	3.30	1.023	0.14
C00570060560M	1.45	0.15	14.22	6.93	3.28	1.023	0.14
C00570060620M	1.45	0.15	15.75	7.39	3.61	1.023	0.12
C00570070120M	1.45	0.18	3.05	1.68	1.35	1.69	1.23

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COMPRESSION SPRINGS

SPEC compression springs provide design engineers, draughtsmen, production and maintenance departments with precision engineered springs in an economical and time-saving way. The Spec service saves time and therefore money, as design work and calculations are no longer required.

MATERIALS

‘C’ part numbers

Music wire: ASTM A228 or AMS 5112

STAINLESS STEEL / INOX: Type 302 as per ASTM A313 or AMS 5688 spring temper

‘D’ part numbers

Music wire: DIN 17223 or JIS G4314 SWP-A/B or AMS 5112

STAINLESS STEEL / INOX: Type 301, 302 or 304 as per DIN 17224 or JIS G4314 SUS 302/304 or AMS 5688 spring temper

TOLERANCES

‘C’ part numbers

Outside Diameter

1.45 to 3.02mm ±0.08mm

3.05 to 6.10mm ±0.13mm

6.12 to 12.70mm ±0.20mm

12.73 to 25.40mm ±0.38mm

25.43 to 31.12mm ±0.51mm

31.14 to 37.08mm ±0.76mm

37.11 to 50.08mm ±1.02mm

Load P ±10%

Spring Rate R ±10%

‘D’ part numbers

All dimensions and forces to DIN 2095 (Grade 2)

ADDITIONAL TECHNICAL DATA

Music wire is not recommended for applications where temperature exceeds 121°C (250°F) STAINLESS STEEL / INOX is not recommended for applications where temperature exceeds 260°C (500°F) STAINLESS STEEL / INOX is slightly magnetic due to cold working during manufacturing. STAINLESS STEEL / INOX springs may have a slight residue of nickel on the surface of the wire; this is normal and will not affect the function.

ENDS

‘C’ part numbers

Outside diameter 1.45/2.24 – squared and unground.

Outside diameter >2.24 – squared and ground.

‘D’ part numbers

Wire up to 0.8mm, squared and unground.

Wire over 1.0mm, squared and ground.

SURFACE FINISH

Music wire – oiled.

STAINLESS STEEL / INOX – plain wire.

Shot-peened and plated finishes supplied on request.

LOADS

Load values shown are based on a service life of 50,000 cycles at 0.50 stress range.

For normal service, springs should not be compressed below L₁. To determine the load at any working length use rate proposed deflection. P=(L-L_x) x R where L_x is the new load height. Reference only.

1 lb = 4.448 Newtons

1 Newton = 0.225 lb

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