2014年7月18日星期五

The importance of duplex steel fittings to heavy industries

Duplex stainless steel offers excellent resistant to corrosion and very high mechanical strength. The high corrosion resistance of duplex stainless steel ensures significantly more uptime than carbon steels and conventional stainless steels, while the mechanical strength allows for lighter constructions, more compact system design and less welding.

To prevent corrosion and increase strength, steel is protected in two ways – by galvanisation or by making it into an alloy. Galvanised steel is only coated, whereas alloys are actually combinations of steel and another material, such as carbon, chromium, molybdenum or titanium. Some metal alloys are further modified, creating super steel alloys, such as super duplex. Although these are superior in use, the cost of the rare metals used does make them more expensive. To be cost effective, duplex steel fittings manufacturers has to balance cost against safety, effectiveness and longevity. Stainless steel pipe fittings are made from a steel-chromium alloy. They are the cheapest kind, and are fine for certain small plant and low-pressure applications. We at jijia-steel have a range of popular pipe flanges and fittings in plain stainless steel. duplex steel flange supplies


Recent years has seen an influx of new alloys such as titanium-steel, molybdenum-steel and duplex. These offer unique benefits to the gas, oil and petrochemical industries, which is why so many pipe fittings are composed of these materials. At jijia-steel we have a wide range of titanium and stainless steel forged flanges wholesale as well as accessories like tie rods.

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