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Disc Springs: Materials

Standard Range

 Material Ck 75 50 Cr V4 X12CrNI 177 X7CrNIAl 177 X35CrMo17 X22CrMoV 121
 DIN ref. no. 1.1248 1.8159 1.4310 1.4568 1.4122 1.4923
Chemical Composition (%)Carbon (C) 0.7-0.8 0.47-0.55 ≤0.12 ≤0.09 0.35 0.2
Silicon (Si) 0.15-0.35 0.15-0.40 ≤1.5 ≤1 ≤1 0.3
Manganese (Mn) 0.6-0.8 0.7-1.1 ≤2 ≤1 ≤1 0.6
Phosphorus (P) max. 0.035 0.035 - -0.03 0.035
Sulphur (S) max. 0.035 0.035 - -0.03 0.035
Aluminium (Al) ---0.75-1.5--
Chrome (Cr) - 0.9-1.2 16-18 16-18 16.5 12
Nickel (Ni) --6-9 6.5-7.75 - 0.6
Vanadium (V) -0.1-0.2 ---0.3
Molybdenum (Mo) ----1.15 1
E Mod. (N/mm2) 206,000 206,000 190,000 195,000 206,000 206,000
Temperature °C -10/
+100
-40/
+200
-200/
+200
-200/
+200
-40/
+350
-40/
+450

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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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