Elliptical Metal Ring Pad
Description
Elliptical metal ring pad is suitable for steam, hydrogen, water, natural gas, cracking gas, oil, acid, alkali, salt solution and other media. Its cross section is elliptical, as shown in the following figure,
Material Table
Material |
Max. Hardness |
Temperature ℃ |
||
Brinell HB |
Rocknell HB |
Min |
Max |
|
Soft Iron |
90 |
56 |
-40 |
540 |
Low C/S |
120 |
68 |
-60 |
500 |
SS410 |
170 |
86 |
-40 |
850 |
SS304 |
160 |
83 |
-250 |
540 |
SS316 |
160 |
83 |
-200 |
815 |
SS347 |
160 |
83 |
-200 |
870 |
4-6%Cr,0.5% Mo, |
130 |
72 |
-40 |
650 |
Copper |
80 |
-- |
-100 |
315 |
Aluminum |
35 |
-- |
-200 |
425 |
Inconel 600 |
150 |
78 |
-100 |
1095 |
Inconel 825 |
150 |
78 |
-100 |
1095 |
Monel 400 |
150 |
78 |
-100 |
760 |
Titanium |
215 |
77 |
-200 |
540 |
Nikel 200 |
110 |
58 |
-200 |
760 |
Hastelloy B2 |
230 |
121 |
-100 |
1095 |
Hastelloy C276 |
210 |
110 |
-100 |
1095 |
Parameter Table
Gasket Coefficient |
m=5.50-6.50 |
Working Pressure |
≤42MPa |
Work Temperature |
-196℃-1000℃ |
Minimum Preloading Ratio Pressure |
y=126.6-182.8MPa |