F44 Duplex 254SMO Flange
- Material:Duplex
- Production:slip on/WN /SW/Threaded/Blind/Lapped joint/Long WN flange
- Product standards:ASME B16.5
- Min.Order Quantity:1 Piece/Pieces
UNS S31254 /254SMO/F44/1.4547
254SMO is a super Austenitic Stainless Steel. It is designed with a combination of impact toughness resistance to chloride stress corrosion cracking, and pitting and crevice corrosion with strength that is twice that of the stainless steel 300 series.
The following sections will discuss in detail about Stainless Steel Grade 254SMO.
Chemical Composition, %
|
Ni |
Fe |
Cr |
Cu |
Mo |
N |
|
|
17.5~18.5 |
Balance |
19.5~20.5 |
0.5~1.0 |
6.0~6.5 |
0.18~0.22 |
|
|
C |
Mn |
P |
S |
Si |
||
|
0.002max |
1.0max |
0.030max |
0.010max |
0.80max |
||
Mechanical Properties
|
Material Grade |
Yield Strength, Min(Mpa) |
Tensile Strength, Min(Mpa) |
Elongation,Min( %) |
|
254SMO |
300 |
650~820 |
28 |
ASTM SPECIFICATION
|
Pipe, SMLS& Welded |
Tube , SMLS&Welded |
Sheet/Plate |
Bar /Rod |
Forging /Flange |
BW Fittings |
|
ASTM A312 |
ASTM A269 |
ASTM A240 |
ASTM A276/A479 |
ASTM A182 |
ASTM A403 |
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