These SMO 254 flanges find their applications in industries intended for corrosion resistance, such as process industries related to chemicals, oil and gas, desalination plants, and offshore installations. It is used in pipelines, equipment connections, and process systems that handle corrosive fluids, acids, and seawater. The flanges made of SMO 254 ensure reliability and long life to the system under very aggressive and hostile environments.
SMO 254 Flanges give better resistance to corrosion, even in high-acid and chloride environments. It offers excellent strength and toughness and can thus be used in the most demanding applications. Besides, SMO 254 Flanges need less maintenance, which reduces downtime and operating costs. Their high resistance to pitting, crevice corrosion, and stress corrosion cracking provides reliability and longevity to the system, making the SMO 254 the preferred choice in corrosive environments.
Specification of SMO 254 Flange
Range |
: |
1/2”~60” |
Specification |
: |
ASTM A812 / ASME SA812 |
Dimensions |
: |
ANSI/ASME B16.5, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
Standards |
: |
ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
Class/Pressure |
: |
150#, 300#, 600#, 900#, 1500#, 2500# | PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Flange Face Type |
: |
Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
SMO 254 Flanges Equivalent Grades
STandARD |
WERKSTOFF NR. |
UNS |
AFNOR |
EN |
SMO 254 |
1.4547 |
S31254 |
Z1 CNDU 20.18.06Az |
X1CrNiMoCuN20-18-7 |
SMO 254 Flange Chemical Alloyion
Element |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
N |
Cu |
SMO 254 |
≤0.020 |
≤0.80 |
≤1.00 |
≤0.030 |
≤0.010 |
20 |
18 |
6.1 |
0.20 |
0.7 |
SMO 254 Flange Mechanical and Physical Properties
Element |
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
SMO 254 |
8.0 g/cm3 |
1320-1390 ℃ |
650 |
300 |
35 % |
Types Of SMO 254 Flanges | Types Of SMO 254 Flanges |
Forged Flanges | Socket Weld Raised Face Flanges (SWRF) |
Slip-on Raised Face Flanges (SORF) | Screwed/Threaded Flanges |
Blind Raised Face Flanges (BLRF) | Orifice Flanges |
Weld Neck Raised Face Flanges (WNRF) | Spectacle Blind Flanges |
Reducing Flanges | Ring Type Joint Flanges |
Tongue and Groove Flanges | Plate Flanges |
Flat Face Flanges | ANSI / ASME / ASA B16.5 Flanges |
EN 1092-1 Flanges | DIN Flanges |
BS 10 Flanges | BS 4504 Flanges |
JIS STD Flanges |
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