List of applications where disc springs are commonly used

Material Material Designation W.- No. Standard Operating Temp. (º C) Modulus of Elastisity (N/Sq mm) Applications
Quality
Steel
C60 1.0601 DIN 17222 -20 / +100 206,000 General Engineering
Cs70   BS 1449
C75 1.0605 DIN 17222
 
Refined
Steel
Ck67 1.1231 DIN 17222 -20 / +100 206,000 General Engineering
Ck75 1.1248
Ck85 1.1269
50CrV4 1.8159 -50 / +200
 
Corrosion
Resistant
Steel
X 12 CrNi 17 7 1.4310 DIN 17224 -200 / +200 190,000 Oil Industry
Petrochemical Industry
Food Processing Equipment
X 7 CrNiAl 17 7 1.4568 -200 / +300 195,000
X 5 CrNiMo 17 12 2 1.4401 -200 / +200 185,000
FV52OB   BS S145 -90 / +300
 
Heat
Resistant
Steel
X 22 CrMoV 12 1 1.4923 DIN 17240 -50 / +500 209,000 Heat Exchangers
Boilers, Furnaces & Ovens
Chemical Processing
X 35 CrMo 17 1.4122 SEW 400 -50 / +400
X 30 WCrV 5 3 1.2567   -50 / +450 206,000
A286 1.4980 AISI 660B -200 / +700 199,000
 
Copper Alloys CuSn 8 2.1030 DIN 17670 -50 / +100 115,000 Low Temperature Applications
Electrical Equipment
CuBe 2 2.1247 -260 / +200 135,000
 
Nickel and
Cobalt Alloys
Nimonic 90 2.4632 (LW)   -200 / +700 220,000 Heat Exchangers
Boilers, Furnaces & Ovens
Chemical Processing
Inconel X 750 2.4669 -200 / +600 214,000
Inconel X 718 2.4668 199,000

Institute of Spring TechnologyMember of UK Spring Manufacturers AssociationBelleville QualityBritish Valve and Actuator Association

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