C&N HUITONG limited are leading steel pipe,fitting and flange Supplier since 1997.
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Flanges/

Uns S31254 254 Smo Flange

Standard: ANSI, DIN, JIS, GOST, BSW
Type: Uns S31254 254 Smo Flange
Material: Alloy Steel
Structure: Flanges
Connection: Flanged
Sealing Surface: RF

 

  • Product Details

Basic Info.

Model NO.UNS S31254 254 SMO FlangeManufacturing WayForging
Steel FlangeUns S31254 254 Smo FlangeTransport PackagePlywood Box, Pallet
TrademarkC&NOriginChina
Production Capacity600tons/Month

Product Description

We offer high quality NS S31254 254 SMO Flange

Flange Type: 

WN/welding neck flange;SO/slip on flange; 
PL /Plate flange;BL/Blind flange; 
Th/Threaded flange;SW/socket welding flange; 
LF/SE(lapped flange/stub end);LWN/long welding neck flange; 
Orifice flange;Reducing flange;API flange; 
Integral/Compact flange;Spectacle blind, 
Line spade and spacer,Paddle blind,Paddle spacer; 
Orifice plate;Pipe plate,Bleed ring;Plate flange 

Standard: 
ANSI B16.5,ANSI B16.47,ANSI B16.48,ANSI B16.36, 
JIS B2220, 
BS4504, BS1560,BS10; 
MSS SP44 
DIN2630,DIN2631,DIN2632,DIN2633,DIN2634,DIN2635, 
DIN2636,DIN2637,DIN2638,DIN2501(WN);DN2573,DIN2576, 
DIN2527,DIN2655,DIN2656(PL);DIN2566(TH) 
Size: 1/2”~60” 
Class Rating: 150~2500 


Form

ASTM

Rod, bar and shape

A 276, A 484

Plate, sheet and strip

A 240, A 480

Seamless and welded pipe

A 312, A 999

Welded pipe

A 814, A 999

Seamless and welded tubing

A 269, A 1016

Fitting

A 403, A 960

Forged or rolled pipe flange and forged fitting

A 182, A 961

Forging

A 473, A 484

Chemical composition

254SMO flange

254SMO Chemical composition:


Alloy
%NiCrMoCuNCMnSiPS
254SMOMin.17.519.560.50.18
Max.18.520.56.510.220.0210.80.030.01

254SMO Physical properties :
Density: 8.0 g/cm3
Melting point: 1320-1390 °C


254SMO minimum mechanical properties in the room temperature:


Status

Tensile strength
Rm N Rm N/mm2

Yield strength
RP0.2N/mm2

Elongation
A5 %

254 SMO
65030035

Features: 254 SMO is a high performance austenitic stainless steel. Its high alloying elements content imparts excellent resistance to uniform, pitting and crevice corrosion, and stress corrosion cracking. It was originally developed to withstand the corrosion of acids, especially in the presence of halide ions, such as hydrochloric acid, hydrofluoric acid, phosphoric acid, and sulphuric acid contaminated with chlorides. In certain environments it is an alternative to more expensive nickel alloys and titanium alloys.

Applications: Chemical processing equipment, pulp and paper industry bleaching equipment, desalination plant seawater piping, food and beverage industry, pharmaceuticals, and hydrometallurgy.

Other nickel bese alloys, we have:

Inconel 600  Inconel 601  Inconel 617  Inconel 625LCF  Inconel 686
Inconel 690  Inconel 718  Inconel 725  Inconel X-750

Hastelloy C-276      Hastelloy C                 Hastelloy C-22          Hastelloy C-2000
Hastelloy G             Hastelloy G-30            Hastelloy B               Hastelloy B-2
Hastelloy B-3

Monel 400     Monel 401    Monel 404    Monel R405    Monel K-500

Nickel 200      Nickel 201    Nickel 205

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