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SPECIAL PIPING MATERIAL ( UK, ENGLAND, SCOTLAND, SINGAPORE, USA, AUSTRALIA, DUBAI, BRAZIL ) : High quality exotic piping products from approved manufacturers : Seamless Duplex 2205 Pipe, Welded Super Duplex Pipe, Super Duplex (both S32760 and S32750 / 2507 Buttweld Fittings, Flanges, Forged Fittings ManufacturersMATERIALS
Special Piping Materials has always been at the forefront of the industry due to the company’s determination to supply its clients with the materials grades that best suit their requirements.
An example of the range of materials we supply are as follows:
Read on for further information about each type of material.
UNS 32760 | UNS 32750 | UNS 32550
F55 | F53 | SAF 2507 | 1.4410 | 1.4501
UNS 32760 | UNS 32750 | UNS 32550
F55 | F53 | SAF 2507 | 1.4410 | 1.4501
UNS 32760 | UNS 32750 | UNS 32550
F55 | F53 | SAF 2507 | 1.4410 | 1.4501
UNS 32760 | UNS 32750 | UNS 32550
F55 | F53 | SAF 2507 | 1.4410 | 1.4501
UNS 32760 | UNS 32750 | UNS 32550
F55 | F53 | SAF 2507 | 1.4410 | 1.4501
Super Duplex is a stainless steel mainly used in oil and gas applications. Super Duplex alloys are characterised by a high chromium and molybdenum content. This gives it a high tensile strength which allows it to have a better resistance to corrosion cracking and erosion, as well as having a high thermal conductivity and a low thermal expansion than conventional austenitic stainless steels. The high chromium and molybdenum content also gives Super Duplex a high resistance to acids that could cause pitting and crevice corrosion.
The unique properties of Super Duplex mean that it is in high demand for a wide range of scenarios such as pipes in the oil and gas industry, structural and mechanical components, utility and industrial systems, high strength wiring solutions, cargo vessels and heat exchangers. It is well-suited for use in many offshore and onshore applications.
Benefits:
Uses:
UNS 31803 | UNS 32205 | F51 | 1.4462
UNS 31803 | UNS 32205 | F51 | 1.4462
UNS 31803 | UNS 32205 | F51 | 1.4462
UNS 31803 | UNS 32205 | F51 | 1.4462
UNS 31803 | UNS 32205 | F51 | 1.4462
Duplex Stainless Steel appeared in the marketplace due to the need to combat the shortcomings of austenitic and ferritic steels. It was found that a mixture of these two materials resulted in higher strength, reduced weight, good weldability and increased resistance to stress corrosion cracking.
Unlike similar steels, duplex also displays an improved resistance to localised corrosion, particularly pitting, crevice corrosion and stress corrosion cracking. Due to its ferritic qualities, duplex steel also shows very good resistance to stress corrosion cracking when compared to standard austenitics. In some cases, the strength of duplex steel can be up to double that of the most commonly used grades of stainless steel.
Another benefit of duplex steels is that because it has a lower nickel and molybdenum content than other austenitic stainless steels, it can prove to be a more cost effective option due to its lower alloy content.
These benefits clearly show why Duplex steels have become popular in applications such as pressure vessels, cooling pipes and storage tanks.
Duplex becomes brittle at extreme temperatures so its use is normally restricted to a maximum temperature of 300 degrees. Duplex also shows signs of embrittlement at –50 degrees.
Benefits:
Uses:
316 | 316L | 316H | 304 | 304L
304H | 904L | 321 | 321H | 317L
316 | 316L | 316H | 304 | 304L
304H | 904L | 321 | 321H | 317L
316 | 316L | 316H | 304 | 304L
304H | 904L | 321 | 321H | 317L
316 | 316L | 316H | 304 | 304L
304H | 904L | 321 | 321H | 317L
316 | 316L | 316H | 304 | 304L
304H | 904L | 321 | 321H | 317L
There are a number of different types of stainless steels, which are characterised according to their crystalline structure. For example, when nickel is added, the austenite structure is stabilised, making steel that is both non-magnetic and less brittle at low temperatures. Likewise, the addition of carbon makes stainless steels much stronger.
Austenitic stainless steels count for over 70% of all stainless steels that are produced. They contain enough nickel or manganese to retain their structure at any temperatures between their freezing and melting points.
Super austenitic steel has a higher nickel content ensuring a greater resistance to stress-corrosion cracking. The addition of nitrogen and molybdenum also ensures a greater resistance to chloride-pitting and crevice-corrosion. Low carbon versions of super austenitic steel avoid corrosion problems caused by welding. Because of the increased alloys, super austenitic steels are more expensive than austenitic steels.
Ferritic stainless steels have a greater resistance to corrosion but are less durable than austenitic steels.
Duplex stainless steels have an equal mixture of austenite and ferrite phases. Due to its ferritic qualities, duplex steel also shows very good resistance to stress-corrosion cracking when compared to standard austenitic steels.
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http://www.columbus.co.za : COLUMBUS in SOUTH AFRICA: Lean Duplex Steel - e.g. 2001/1.4482 / 2304/1.4362 / Standard duplex Steel e.g. 2205/1.4462. |
http://www.sandmeyersteel.com: SANDMEYER STEEL ( USA & CANADA): Alloy 2205Duplex Stainless Steel Plates/ Alloy 2507 Duplex Stainless Steel Plate Manufacturers - |
http://www.jindalstainless.com/ : JINDAL ( JSL INDIA ): Duplex Steel Sheet PlatesManufacturers --- |
http://www.aalco.co.uk/: AALCO in UKStainless Steel Pipes Tubes Manufacturers -- |
http://www.sail.co.in/: SALEM Productsin INDIA : Duplex Steel Sheet Plate Coils Manufacturers --- |
http://www.specialsteelgroup.com/: SPECIAL STEEL LTD(UK): Duplex Stainless Steel Round Bar, Fastener Bolts Nuts & Flat Bar Manufacturers |
http://www.pennstainless.com/: PENN STAINLESS( USA ) : Duplex Stainless Steel 2205& 2507 : Penn Stainless inventory now includes Duplex 2205 (UNS S32205 / S31803), in sheet, coil, plate, plate coil, round bar, processed flat bar and tubular products |
http://www.nssmc.com/en/ : NIPPON STEEL & SUMITOMO METALS( JAPAN ) : Duplex Steel 2205& 2507 Sheet Plates Manufacturers --- |
http://www.outokumpu.com/: OUTOKUMPU ( FINLAND & INDIA ) : Duplex Steel 2205 & 2507 Coil and sheet, Bar, Welded pipe & Plate Manufacturers --- |
http://megamex.com/: MEGAMEX ( TEXAS USA ) : Mega Mex supplies LDX2101, 2205, Ferralium 255, Zeron 100 and 2507 in the form of plate, sheet, strip, bar, pipe, tubing, pipe fittings, flanges and weld wire. |
http://www.schoeller-bleckmann.co.uk/: SCHOELLER BLECKMANN ENGLAND & DUBAI: Schoeller-Bleckmann (UK) is a major stockholder and distributor of Stainless Steel Tube, Pipe & Hollow Bar. |
http://smt.sandvik.com/en-in/: SANDVIK ( SWEDEN & INDIA ) : Duplex stainless steels / Sandvik SAF 2507, Sandvik SAF 2707 HD, Sandvik SAF 3207 HD / TUBE, PIPE, FITTINGS AND FLANGES Manufacturers in SWEDEN |
http://www.tiogapipe.com/: TIOGA ( USA ) : Duplex Steel Pipe 2205 S31803/ S32205, A790 / SA790, Duplex Steel 2205 S31803 / S32205 , A815 / SA815, A182 / SA182 Fittings, Duplex Flanges Duplex 2205 S31803 / S32205, A182 / SA182 Manufacturers in Houston |
http://www.specialpipingmaterials.com/duplex/: SPECIAL PIPING MATERIAL ( UK, ENGLAND, SCOTLAND, SINGAPORE, USA, AUSTRALIA, DUBAI, BRAZIL ) : High quality exotic piping products from approved manufacturers : Seamless Duplex 2205 Pipe, Welded Super Duplex Pipe, Super Duplex (both S32760 and S32750 / 2507 Buttweld Fittings, Flanges, Forged Fittings Manufacturers |
http://www.langleyalloys.com/ : Langley Alloys : Duplex Stainless Steels Products Manufacturers |
http://www.rolledalloys.com/: Rolled Alloys, Inc: Duplex Stainless Steel Pipes TubesManufacturers |
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