Materials Data Table

List of materials used to manufacture both standard and specialised disc springs.
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Type Designation W.- No Standard Chemical Analysis
C Si Mn P S Cr V Mo Ni Sn Be Ni+Co Cu Co Ti Al Fe Zr B Nb+Ta
Quality Steel C60 1.0601 DIN 17222 0.57 to 0.65 0.15 to 0.35 0.60 to 0.90 max 0.045 max 0.045
Cs70 BS 1449 0.65 to 0.75 0.105 to 0.35 0.50 to 0.90 max 0.030 max 0.030
C75 1.0605 DIN 17222 0.70 to 0.80 0.15 to 0.35 0.60 to 0.90 max 0.045 max 0.045
Refined Steel Ck67 1.1231 DIN 17222 0.65 to 0.72 0.15 to 0.35 0.60 to 0.90 max 0.035 max 0.035
Ck75 1.1248 DIN 17222 0.70 to 0.80 0.15 to 0.35 0.60 to 0.80 max 0.035 max 0.035
Ck85 1.1269 DIN 17222 0.80 to 0.90 0.15 to 0.35 0.45 to 0.65 max 0.035 max 0.035
50CrV4 1.8159 DIN 17222 0.47 to 0.55 0.15 to 0.40 0.70 to 1.10 max 0.035 max 0.035 0.90 to 1.20 0.10 to 1.20
DIN 17221 0.47 to 0.55 0.15 to 0.40 0.70 to 1.10 max 0.030 max 0.030 0.90 to 1.20 0.10 to 0.20
Corrosion Resistant Steels X 12 CrNi 17 7 1.4310 DIN 17224 max 0.12 max 1.5 max 2.0 max 0.045 max 0.030 16.0 to 18.0 max 0.8 6.0 - 9.0
X 7 CrNiAl 17 7 1.4568 DIN 17224 max 0.09 max 1.0 max 1.0 max 0.045 max 0.030 16.0 to 18.0 6.5 to 7.75
X 5 CrNiMo 17 12 2 1.4401 DIN 17224 max 0.07 max 1.0 max 2.0 max 0.045 max 0.030 16.5 to 18.5 2.0 to 2.5 10.5 to 13.5
FV520B BS S145 0.048 0.37 1.05 max 0.020 max 0.014 16 to 18 1.72 5.47 2.08 0.10
Heat Resistant Steel 21 CrMoV 5 7 1.7709 DIN 17240 0.17 to 0.25 0.15 to 0.35 0.35 to 0.85 max 0.030 max 0.035 1.20 to 1.50 0.25 to 0.35 0.65 to 0.80
X 22 CrMoV 12 1 1.4923 DIN 17240 0.18 to 0.24 0.10 to 0.50 0.30 to 0.80 max 0.035 max 0.035 11.0 to 12.5 0.25 to 0.35 0.80 to 1.20 0.30 to 0.80
X 35 CrMo 17 1.4122 SEW 400 0.33 to 0.43 max 1.0 max 1.0 max 0.045 max 0.030 15.5 to 17.5 0.9 to 1.3 max 1.0
X 30 WCrV 5 3 1.2567 0.25 to 0.35 0.15 to 0.30 0.20 to 0.40 max 0.035 max 0.035 2.20 to 2.50 0.50 to 0.70 W: 4.0 to 4.5
A286 1.4980 AISI 660B max 0.08 1.0 2.0 13.5 to 16 0.1 to 0.5 1 to 1.75 24 to 27 1.9 to 2.3 0.35
Copper Alloys CuSn 8 2.1030 DIN 17670 0.01 to 0.4 7.5 to 9.0 Balance
DIN 17662
CuBe 2 2.1247 DIN 17670 1.8 to 2.1 0.2 to 0.6 Balance
DIN 17666
Nickel & Colbalt Alloys Nimonic 90 2.4632 (LW) max 0.13 max 1.0 max 1.0 max 0.015 18.0 to 21.0 Balance max 0.20 15.0 to 21.0 2.0 to 3.0 1.0 to 2.0 max 1.5 max 0.15 max 0.02
2.4969
Inconel X 750 2.4669 max 0.08 max 0.50 max 1.0 max 0.015 max 0.01 14.0 to 17.0 min 70.0 max 0.5 max 1.0 2.25 to 2.75 0.40 to 1.00 5.0 to 9.0 0.7 to 1.2
Inconel X 718 2.4668 0.02 to 0.08 max 0.35 max 0.35 max 0.015 max 0.015 17.0 to 21.0 2.8 to 3.3 50.0 to 55.0 max 0.2 max 1.0 0.70 to 1.15 0.30 to 0.70 Balance max 0.006 4.8 to 5.5

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