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Disc Springs: Materials

Specialised Applications


 Material Inconel X750 Inconel 718 Nimonic 90 A286 Alloy FV520B CuBe2
 DIN ref. no. - 2.4668 2.4969 1.4980 - 2.1247
Chemical Composition (%)Carbon (C) ≤0.08 ≤0.08 0.09 ≤0.08 0.048 -
Silicon (Si) ≤0.5 0.35 ≤1 1 0.37 -
Manganese (Mn) ≤1 0.35 ≤1 2 1.05 -
Phosphorus (P) max. - 0.015- -0.020 -
Sulphur (S) max. 0.01 0.015 0.015 -0.014 -
Aluminium (Al)0.4-10.2-0.81-20.35--
Chrome (Cr) 14-17 17-21 18-21 13.5-16 16-18 -
Nickel (Ni) ≤7050-55Rest 24-27 5.47 +Co=0.2-0.6
Vanadium (V) ---0.1-0.5--
Molybdenum (Mo)-2.8-3.3-1-1.751.72 -
Tungsten (W) ------
Titanium (Ti) 2.25-2.750.65-1.152-31.9-2.30.10-
Beryllium (Be) -----1.95
Copper (Cu) 0.50.30.2-2.08Rest
Cobalt (Co) -115-21---
Iron (Fe) 5-9-2---
Niobium (Nb) 0.95-----
E Mod. (N/mm2) 214,000 208,000 220,000 199,000 210,000 135,000
Temperature °C -200/
+500
-200/
+400
-200/
+600
-200/
+700
-90/
+300
-250/
+150

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Valley Spring Co Ltd
Pottery Lane East
Chesterfield, Derbyshire
United Kingdom S41 9BH

Valley Spring Company: Chesterfield Derbyshire

Tel: +44 (0)1246 451981
Fax: +44 (0)1246 454327
info@valleyspring.com


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