November 25th, 2011
Duplex stainless steel is steel that has had chromium added to reinforce it further. It gives steel added resistance to corrosion which in turn give the material further advantages. There are many applications for this type of steel but this reinforcement makes it ideal for use within the chemical industries.
Steels are given a grade in relation the properties they display. Some are considered to be hard meaning they are difficult to manipulate whilst others are considered soft and therefore easier to machine. Depending on what your requirements are we supply different grades of steel. However, duplex or super duplex steels are extremely resistant to corrosion and intergranular corrosion. If you work with chloride and sulphide they are able to withstand these environments and rarely show signs of stress corrosion cracking. Obviously, super duplex demonstrate these properties even more than a duplex variety.
Extremely high temperatures (over 300 degrees centigrade) can result in the material becoming brittle. This is due to the high percentage of chromium. However, if subjected to lower temperatures, super duplex and duplex steels have a better ductility than other grades. This can save on heating costs as some grades of duplex stainless steel can be used at temperatures as low as fifty degrees centigrade. At Chemi Petro we supply all types of stainless steel products to suit your requirements. It may well be worth considering the duplex varieties for the additional properties they display.
Tags: industrial pipe flanges, stain, super duplex stainless steel
Posted in Duplex, Super Duplex | No Comments »
September 20th, 2011
When it comes to any type of plumbing or pipe installation, it is incredibly important to have the right parts available to do the job. Installing the wrong pipes, fittings or flanges will not only cause immediate problems, but also create more significant issues further down the line. However, it is not always easy to get the “right” parts, especially when the ones you need aren’t standard seamless stainless steel pipe fittings.
Thankfully, there is a solution.
Here at Chemipetro, we are the premier manufacturer and stockist of the widest ranges of pipe fittings, fasteners, flanges and associated products in the UK. In addition, we also provide custom-made pipes that can be used for practically any type of application. Indeed, our many years of experience have provided us with an unrivalled expertise in creating precision-made items for custom requirements. In fact, there really is no piping product that we cannot cater for, so it doesn’t matter what type, shape or size you want your piping to be, we can take care of it for you. In addition, our range of standard parts includes pipes and products made from a variety of materials such as stainless steels and titanium.
You really will not find a better place to source all of your pipes, pipe fittings, fasteners and associated parts. To learn more, and to view our excellent products in greater detail, either take some time to browse our web pages further or contact one of our highly-trained customer service agents, today.
Tags: Flanges, stainless steel, super duplex stainless steel
Posted in Chemipetro, Duplux, Flanges, Pipe Fittings, Seamless pipe | No Comments »
September 22nd, 2009
Super Duplex stainless steel owes its existence to Duplex stainless steel, a material developed in Sweden around 70 years ago. Its composition consisted of a microstructure that contained almost equal parts of ferrite and austenite, and became one more family of grades that ranged in its corrosion performance.
Even the term ‘Super Duplex’ denotes that it is a highly alloyed and super performing Duplex stainless steel material, with superior resistance to pitting and corrosion.
Benefits of Super Duplex:
Super Duplex is highly resistant to a variety of potential corrosion types, including chloride stress, suphide stress and cracking, or fatigue. This extremely strong material has a low coefficient expansion and high thermal conductivity, and its levels of resistance to corrosion make it an ideal material to use for a variety of purposes. Super Duplex provides good workability properties and weldability, and has high energy absorption.
Applications suited to Super Duplex
Super Duplex stainless steel is suited to a wide variety of applications, such as:
• On use on tubes or pipes used for the production of or handling of gas and oil
• Heat exchangers and piping used in desalination plants
• In the used of mechanical or structural components
• Piping or pipe fittings used in process industries that contain chlorides
• In industrial systems where high corrosion fatigue is needed including rotors, fans, shafts or press rolls
• On Cargo tanks, sea going vessels or welding consumables used on chemical tankers
• Any application that calls for a high strength solution.
Here at Chemipetro, a leading supplier and manufacturer of flanges and pipe fittings, we supply high quality Super Duplex stainless steel materials to suit an array of purposes.
Tags: Duplex, Pipe Fittings, Super Duplex, super duplex stainless steel
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August 19th, 2009
So you have a huge piping project, or you company requires flanges that are strong and durable. While aluminium, cast iron, plastic and copper may be an option, steel has a number of advantages that could render your project a success.
When opting for steel, stainless steel is the ideal material to rely on. You will find that you have two popular options in stainless steel, duplex and super duplex. While duplex stainless steel is a very durable material, for higher performance, super duplex stainless steel is your ideal choice.
Duplex stainless steel is a grade of steel that ranges in corrosion performance according to the amount of alloy present. Super duplex is a high alloy, high performance stainless steel with great resistance. Here at Chemipetro we have a wide range of super duplex stainless steel products all suited to your piping needs.
Why choose super duplex stainless steel?
By choosing super duplex stainless steel parts, you are choosing to purchase very strong components, whether you buy super duplex stainless steel pipes or pipe fittings in either seamless or welded. Various flanges and pressure fittings can also be found in super duplex stainless steel. A number of super duplex stainless steel fasteners such as bolts, screws, nuts, studs, socket heads and washers are also available.
Besides being extra strong, these super duplex stainless steel components are very resistant to pitting and corrosion, whether stress corrosion or crevice corrosion. Super duplex stainless steel also has good workability and can be welded easily.
Tags: Duplex, Super Duplex, super duplex stainless steel
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