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Extension Spring Z-381I Spring steel Ø 8 x 50 x 283 mm / 180° Scaled prices - Extension Spring Z-381I Quantity Single price [EUR] 1 56.6900 EUR 2 45.1600 EUR 3 43.4800 EUR 7 39.3200 EUR 17 39.3200 EUR 37 39.3200 EUR 75 39.3200 EUR 125 39.3200 EUR 175 39.3200 EUR 250 39.3200 EUR 350 39.3200 EUR Extension Spring Buy Product image Extension Spring Z-381I Quantity:Quantity: Add to shopping cart Technical Data - Extension Spring Z-381I Formula symbols Value Unit Description Material EN 10270-1 - type of material Eylet shape 1/1 deutsche - Eylet shape 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 Eyelet position 180 ° Eyelet position d 8 mm Wire diameter D mm mean coil diameter De 50 mm outer coil diameter Dh 63 mm minimum bush diameter L0 283 mm length of unstressed spring, measured from inner edge of loop to inner edge of loop Lk 228 mm length of unstressed spring body Ln 391.2 mm maximum spring length, inner loop to inner loop sn 108.2 mm Maximum spring deflection Fn 2515 N Maximum spring force n pc. Number of aktive coils nt pc. total number of coils Lh 27.5 mm distance of inner edge of loop from the spring body R 20.48 N/mm Spring rate F0 300 N initial tension Fntol 179.54 N (+/-) tolerance of maximum spring force L0tol 3 mm (+/-) tolerance of unstressed length Detol 0.6 mm (+/-) tolerance of outer coil diameter Oesttol 28 degree (+/-) tolerance of loop position Weight 1533.9579 g weight of one spring Price group ###BG - price group Technical drawing Extension Spring Datasheet Extension Spring Z-381I Spring steel Ø 8 x 50 x 283 mm / 180° Datasheet download pdf file Metal spring characteristic Extension Spring Z-381I Spring steel Ø 8 x 50 x 283 mm / 180° Metal spring characteristic download pdf file CAD data Extension Spring Z-381I Spring steel Ø 8 x 50 x 283 mm / 180° CAD models download: step, stl, iges ... force-path-calculation Extension Spring Z-381I Spring steel Ø 8 x 50 x 283 mm / 180° force-path-calculation Extension Spring Z-381I Inquiry formular Extension Spring Z-381I Spring steel Ø 8 x 50 x 283 mm / 180° Inquiry formular Extension Spring Z-381I Similar extension springs to Extension Spring Z-381I Spring steel Ø 8 x 50 x 283 mm / 180° Below you will find similar Extension 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 Extension Spring made from a different material The Extension 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) R (N/mm) Similarity in %: Overall | Geometrie | Load | Stiffness Z-381I EN 10270-1 8 50 283 2515 391.2 108.2 20.48 100.0 | 100.0 | 100.0 | 100.0 Number of similar metal springs: 1 Similar Extension 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 %. L2 (mm) loaded spring length s2 (mm) loaded spring deflection Priority De (mm) outer coil diameter L0 (mm) length of unstressed spring, measured from inner edge of loop to inner edge of loop R (N/mm) Spring rate article number De (mm) L0 (mm) R (N/mm) Material Fn (N) Ln (mm) sn (mm) Similarity in %Overall | Geometrie | Load | Stiffness Z-279I 50 290 2.612 EN 10270-1 921.2 612.08 322.08 45.4 | 88.8 | 35.1 | 12.3 Z-308I 60 294 3.094 EN 10270-1 1122 630.85 336.85 46.3 | 86.1 | 38.4 | 14.3 Z-278I 50 252 3.158 EN 10270-1 921.2 518.41 266.41 46.5 | 85.9 | 38.6 | 14.9 Z-250I 40 286 3.194 EN 10270-1 873.5 536.04 250.04 44.8 | 80.5 | 39.0 | 15.0 Z-277I 50 220 3.847 EN 10270-1 921.2 438.69 218.69 47.8 | 82.2 | 43.1 | 18.1 Z-316I 50 322 4.748 EN 10270-1 1331 577.19 255.19 53.0 | 88.9 | 47.7 | 22.4 Z-286I 40 275 5.605 EN 10270-1 1134 455.93 180.93 53.8 | 82.0 | 52.4 | 27.0 Z-315I 50 278 5.74 EN 10270-1 1331 489.08 211.08 57.2 | 92.3 | 52.1 | 27.1 Z-344I 60 274 5.974 EN 10270-1 1489 501.5 227.5 56.9 | 89.2 | 53.4 | 28.2 Z-314I 50 240 6.993 EN 10270-1 1331 413.27 173.27 59.5 | 87.9 | 57.7 | 33.0 Z-353I 50 349 7.596 EN 10270-1 1763 554.82 205.82 62.6 | 89.5 | 61.3 | 36.9 Z-352I 50 300 9.184 EN 10270-1 1763 470.25 170.25 68.4 | 93.9 | 66.8 | 44.6 Z-351I 50 258 11.187 EN 10270-1 1763 397.75 139.75 73.6 | 92.9 | 73.8 | 54.3 Z-382I 50 331 16.813 EN 10270-1 2515 462.8 131.8 89.4 | 95.2 | 91.0 | 82.1 Z-381I 50 283 20.48 EN 10270-1 2515 391.2 108.2 100.0 | 100.0 | 100.0 | 100.0 Z-380HI 50 227 27.47 EN 10270-1 2515 307.6 80.6 85.0 | 93.4 | 87.2 | 74.5 Number of similar metal springs: 15 Customs tariff number: 73202085; Extension Spring Z-381I Country of origin: DE, German; Extension Spring Z-381I Product image - Extension Springs Z-381I QR-Code: Extension Spring Z-381I