Disc spring materials

Springs in accordance with this standard shall be made from high-grade steel with a modulus of elasticity, of 206,000N/mm2 as specified in either DIN 17221 or DIN 17222, it being noted that CK steel shall be used for the manufacture of group 1 springs only.

IIS can manufacturer Disc Springs from all the above materials. If one requires any other material, we can also use any material as per the customer�s requirement. IIS has in-house chemical and physical laboratory and so all the material is tested in-house before manufacturing. This ensures the quality of  the Springs.

Deciding material is a crucial for a spring designer.A List of material used by us to manufacturer springs is available here

It is difficult to derive the amount of material required to be used in a spring based on the load vs. defl-ection requirement. Since Deflection is directly proportional to load, the amt. of material required to changes accordingly. Different materials have different tensile strengths, which are used in initial design calculations. The table below shows the approximate tensile strengths.

List of Standard Materials for Disc Springs

ABBREVIATED MATERIAL   INTERNATIONAL STANDARD
NAME NO. DIN FRANCE AFNOR BRITAIN B.S. AISI USA SAEI ASTM
Ck 67 1.1231 17 222 XC 68 060 A 67 1070 - -
Ck 75 1.1248 17 222 XC 75 060 A 68 1080 1078 -
50 Crv 4 1.8159 17 222 50 CV 4 735 A 50 6150 - -
51 CrMo V 4 1.7701 17 221 51 CDV 4 - - - -
48 CrMoV 67 1.2323 17 350 - - - - -
X 30 WCrV 53 1.2567     - Z 32 WCV 5 - - - -
X 22 CrMo 12 1 1.4923 17 240 - - - - -
X 7 CrNiAl 17 7 1.4568 17 224 - - - - -
X 12 CrNi 17 7 1.431 17 224 Z 8 CAN 17.07 - 631 - -
AMS 5528, 5529, 5673
X 5 CrNiMo 17 12 2 1.4401 17 224 Z 12 CN 17.07 301 S 21 301    
NiCr 19 NbMo (Inconel 718) 2.4668 65 021 Z 6 CND 17.11 316S 16, 316 S 31 316 30316 A 182
NiCr15 Fe 7 TiAl (Inconel X 750) 2.4669     - NC 19 FeNb HR 8 AMS 5596 D
NiCr 20 Co 18 Ti (Nimonic 90) 2.4969 17 754
59 745
NC 15 TnbA HR 505 AMS 5598 A
Duratherm 600     -    - NC 20 KTA 2 HR 2 2 HR 202 AMS 5829
CuBe 1.7 2.1245 17 666
17670
- - - - -
CuBe 2 2.1247 17 666
17 670
CuBe 1.7 - - - -
TiAl 6 V 4 3.7165 17 851
17 860
CuBe 1.9 2870 - J 461 J 463 B 194
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