High Temperature Disc Springs are made of high temperature materials X22CrMoV12 1, Inconel X718, Inconel X750 and Nimonic 90.
OPTIMUM high temperature disc springs are widely used in Heat Exchangers, Boilers, Furnaces & Ovens, Chemical Processing, etc.
Using Optimum high temperature disc springs to provide additional tension to prevent leakage caused by bolt creep, insufficient gasket load and leakage during high temperature situation.
X22CrMoV12 1 Standards up to 580°C (around 1076 °F)
Material No.
EN Designation
1.4923
X22CrMoV12 1
Chemical Composition
Carbon
Molybdenum
Nickel
Chromium
Silicon
0.18-0.24%
0.80-1.20%
0.30-0.80%
11.0-12.5%
≤0.50%
Vanadium
Manganese
Phosphorus
sulfonium
0.25-0.35%
0.40-0.90%
≤0.025%
≤0.015%
INCONE X718 Standards up to 700°C (around 1300 °F)
Material No.
EN Designation
UNS
2.4668
NiCr19NbMo
UNS N07718
Chemical Composition
Carbon
Aluminum
Nickel
Chromium
Silicon
Manganese
Phosphorus
≤0.08%
0.20-0.80%
50.0-55.0%
17.0-21.0%
≤0.35%
≤0.35%
≤0.015%
sulfonium
Niobium
Molybdenum
Titanium
Cobalt
Copper
≤0.010%
4.75-5.50%
2.80-3.30%
0.65-1.15%
≤1.00%
≤0.30%
INCONE X750 Standards up to 700°C (around 1300 °F)
Material No.
EN Designation
UNS
2.4669
NiCr15Fe7TiAl
UNS N07750
Chemical Composition
Carbon
Aluminum
Nickel
Chromium
Silicon
Manganese
Phosphorus
≤0.08%
0.40-1.00%
≥70%
14.0-17.0%
≤0.50%
≤1.00%
≤0.015%
sulfonium
Niobium
Iron
Titanium
Cobalt
Copper
≤0.010%
0.7-1.2%
5.0-9.0%
2.25-2.75%
≤1.00%
≤0.50%
NIMONIC 90 Standards up to 920°C (about 1688 °F)
Material No.
EN Designation
UNS
2.4668/2.4632
NiCr20Co18Ti
UNS N07090
Chemical Composition
Carbon
Nickel
Copper
Chromium
Silicon
Manganese
Phosphorus
sulfonium
≤0.13%
balance
≤0.20%
18.0-21.0%
≤1.00%
≤1.00%
≤0.02%
≤0.015%
Iron
Titanium
Aluminum
Cobalt
Boron
Lead
Ziconium
≤1.50%
2.0-3.0%
1.0-2.0%
15.0-21.0%
≤0.02%
≤0.002%
≤0.15%
Optimum Engineering department can assist in designing the proper dimensions for your application. For additional information, dimension table and catalogue, please contact 7/24 service at Email susie@optimum-spring.com.
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