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Extension Spring Z-228I Spring steel Ø 4.5 x 30 x 279 mm / 180° Scaled prices - Extension Spring Z-228I Quantity Single price [EUR] 1 14.9000 EUR 2 11.8700 EUR 3 7.7300 EUR 7 5.7700 EUR 17 5.7700 EUR 37 5.7700 EUR 75 5.7700 EUR 125 5.7700 EUR 175 5.7700 EUR 250 5.7700 EUR 350 5.7700 EUR Extension Spring Buy Product image Extension Spring Z-228I Quantity:Quantity: Add to shopping cart Technical Data - Extension Spring Z-228I 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 4.5 mm Wire diameter D mm mean coil diameter De 30 mm outer coil diameter Dh 37.2 mm minimum bush diameter L0 279 mm length of unstressed spring, measured from inner edge of loop to inner edge of loop Lk 245.25 mm length of unstressed spring body Ln 446.08 mm maximum spring length, inner loop to inner loop sn 167.08 mm Maximum spring deflection Fn 858.7 N Maximum spring force n pc. Number of aktive coils nt pc. total number of coils Lh 16.88 mm distance of inner edge of loop from the spring body R 4.709 N/mm Spring rate F0 72 N initial tension Fntol 52.52 N (+/-) tolerance of maximum spring force L0tol 3 mm (+/-) tolerance of unstressed length Detol 0.4 mm (+/-) tolerance of outer coil diameter Oesttol 40 degree (+/-) tolerance of loop position Weight 556.6161 g weight of one spring Price group ###AM - price group Technical drawing Extension Spring Datasheet Extension Spring Z-228I Spring steel Ø 4.5 x 30 x 279 mm / 180° Datasheet download pdf file Metal spring characteristic Extension Spring Z-228I Spring steel Ø 4.5 x 30 x 279 mm / 180° Metal spring characteristic download pdf file CAD data Extension Spring Z-228I Spring steel Ø 4.5 x 30 x 279 mm / 180° CAD models download: step, stl, iges ... force-path-calculation Extension Spring Z-228I Spring steel Ø 4.5 x 30 x 279 mm / 180° force-path-calculation Extension Spring Z-228I Inquiry formular Extension Spring Z-228I Spring steel Ø 4.5 x 30 x 279 mm / 180° Inquiry formular Extension Spring Z-228I Similar extension springs to Extension Spring Z-228I Spring steel Ø 4.5 x 30 x 279 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-228I EN 10270-1 4.5 30 279 858.7 446.08 167.08 4.709 72.1 | 93.6 | 72.3 | 50.6 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-171EI 28.2 287 0.882 EN 10270-1 358.7 667.06 380.06 49.6 | 87.4 | 42.9 | 18.4 Z-171DI 28.2 262 0.984 EN 10270-1 358.7 602.83 340.83 50.7 | 86.3 | 45.4 | 20.5 Z-171CI 28.2 236 1.112 EN 10270-1 358.7 537.59 301.59 51.7 | 83.2 | 48.6 | 23.1 Z-191I 36 296 1.294 EN 10270-1 528.1 677.58 381.58 56.1 | 88.8 | 52.6 | 26.9 Z-177K-04I 32 230 1.45 EN 10270-1 441.6 510.12 280.12 57.2 | 85.4 | 55.5 | 30.7 Z-190I 36 264 1.488 EN 10270-1 528.1 595.95 331.95 58.6 | 88.9 | 55.9 | 31.0 Z-174EI 23.2 279 1.723 EN 10270-1 430.1 511.02 232.02 60.0 | 82.8 | 61.0 | 36.1 Z-200I 29 317 2.403 EN 10270-1 645.8 567.62 250.62 70.8 | 91.2 | 70.9 | 50.1 Z-199I 29 285 2.714 EN 10270-1 645.8 506.77 221.77 57.7 | 90.2 | 54.4 | 28.6 Z-177PI 25 248 2.934 EN 10270-1 555.1 424.65 176.65 59.0 | 90.4 | 55.6 | 30.9 Z-198I 29 253 3.12 EN 10270-1 645.8 445.92 192.92 60.0 | 89.4 | 57.7 | 32.9 Z-197I 29 225 3.59 EN 10270-1 645.8 392.68 167.68 83.7 | 88.7 | 87.4 | 74.9 Z-230I 30 351 3.625 EN 10270-1 858.7 568.04 217.04 86.2 | 93.2 | 88.5 | 77.0 Z-229I 30 315 4.097 EN 10270-1 858.7 507.06 192.06 92.2 | 96.2 | 93.5 | 87.0 Z-228I 30 279 4.709 EN 10270-1 858.7 446.08 167.08 72.1 | 93.6 | 72.3 | 50.6 Z-207I 24 277 5.301 EN 10270-1 765.7 408.46 131.46 75.8 | 94.4 | 75.7 | 57.3 Z-227I 30 248 5.418 EN 10270-1 858.7 393.22 145.22 75.5 | 91.5 | 76.7 | 58.2 Z-226I 30 221 6.221 EN 10270-1 858.7 347.45 126.45 85.5 | 93.1 | 87.8 | 75.7 Z-259I 30 345 6.626 EN 10270-1 1134 499.6 154.6 81.5 | 90.3 | 84.1 | 70.1 Z-258I 30 305 7.617 EN 10270-1 1134 439.49 134.49 77.6 | 93.8 | 78.1 | 61.0 Z-236I 25 308 7.885 EN 10270-1 1008 422 114 92.2 | 96.1 | 93.5 | 87.0 Z-257I 30 270 8.763 EN 10270-1 1134 386.89 116.89 91.1 | 90.9 | 86.9 | 95.4 Z-235I 25 272 9.064 EN 10270-1 1008 371.17 99.17 100.0 | 100.0 | 100.0 | 100.0 Z-256I 30 240 10.062 EN 10270-1 1134 341.81 101.81 90.5 | 87.2 | 93.1 | 91.3 Z-255I 30 205 12.164 EN 10270-1 1134 289.21 84.21 63.0 | 87.8 | 63.1 | 38.2 Number of similar metal springs: 24 Customs tariff number: 73202085; Extension Spring Z-228I Country of origin: DE, German; Extension Spring Z-228I Product image - Extension Springs Z-228I QR-Code: Extension Spring Z-228I