Stainless Steel Corrugated Tubes

 

Stainless Steel Corrugated Tubes

Stainless Steel Corrugated Tubes

corrugated stainless steel tubing used for gas piping in buildings. Since 1990 CSST has been used within many buildings in both exposed and enclosed areas to install new gas system piping. The article discusses CSST uses, sources, installation specifications, and safety measures to protect the gas piping from damage by abrasion, puncture, lightning strikes or other hazards. Gas piping codes and industry sources of CSST are included.


Our page top photo, provided courtesy of Carson Dunlop Associates, a Toronto home inspection & education firm, illustrates an improper installation of standard yellow CSST gas piping - routed in ground contact in a wet area. Yellow "Standard" CSST gas piping galso requires special electrical ground bonding to reduce risk of damage & leaks in areas of high lightning strike activity.

Philips Metal is one of the renowned manufacturer, exporter, stockist, stock holder and supplier of a qualitative range of Stainless Steel 304 Corrugated Tubes. Our SS 304 Corrugated Tubes is actually used for components of energy type tools such as steam super-heaters, boilers, steam pipelines, and so on. These UNS S30400 Corrugated Tubes are prepared from low alloyed and heat resisting steels which can survive the weight at soaring temperature and pressure. Meanwhile, the thick wall tubes and smaller diameter tubes of bigger diameters are provided as cold drawn and after that they are being heat treated.

These WNR 1.4301 Corrugated Tubes are as well supplied as cold drawn or hot rolled. Designed as per the national and international standard quality of raw materials, our SS Corrugated Tubes are available in various and also in custom-made sizes and shapes at affordable rates to our esteemed clients.

What is CSST Gas Piping & How is it Identified in Buildings

CSST or Corrugated Stainless Steel Tubing is a flexible gas piping system that has been in use in the U.S. since 1990. In Japan the system has a decade more experience. "Standard Yellow CSST" such as shown below (adapted from csstsafety.com) may appear in homes where gas piping was installed or modified since 1990. Through csstsafety.com the National Association of State Fire Marshals and the CSST industry recommend that homes where gas piping has been installed or modified since 1990 be inspected for the presence of yellow CSST and that the electrical ground bonding in those homes be inspected.

Newer black or dark-jacketed CSST gas piping (shown below, adapted from Gas Tite's Flash Shield CSST sales literature) currently sold by most manufacturers may not require special bonding.

CSST used as gas piping runs in buildings is not the same product as the flexible gas connector tubing (shown below) used to actually connect gas appliances to the gas supply system, and different installation and product protection measures are required.

CSST gas piping is used to route natural gas or LP gas supply through a building while the flexible gas tubing shown below is specifically designed for the connection of gas appliances to the gas piping system.

Where is CSST Gas Piping Being Installed?

Look for corrugated stainless steel tubing (CSST) used as gas piping in buildings constructed in the U.S. or Canada after 1990 and also look for it in older buildings where gas piping was newly installed or modified since 1990. CSST is also installed in other countries.

Standard "yellow" or newer black CSST can be recognized in (usually) long runs between the building gas source and its point of use at gas appliances. The gas appliance connector itself (shown in the photo just above) may be connected directly between the end of the CSST and the appliance, or the CSST may terminate or be mixed with black iron gas piping in the same building.

CSST gas piping is run both in exposed locations and through building cavities such as walls, ceilings or floors.

How many homes have CSST installed? We had trouble relating industry estimates with US Census data and U.S. Energy Information Agency data, but there is no doubt that the piping has been installed in many homes in Canada, the United States, and Japan.

According to the CSST Safety Website (below), corrugated stainless steel tubing is installed in about 500,000 new homes each year. As the U.S. Census Bureau and U.S. HUD February 2015 New Construction Data news release reports a seasonally adjusted annual rate of new construction in the U.S. of about one million homes, that suggests that half of all new homes are being built with CSST gas piping.

Or if we look at the February housing start data that means that almost 100% of new homes are using CSST gas piping - which sounds a bit dubious. In 2014 the U.S. EIA reported that 27% of all U.S. homes were supplied with natural gas and less than 1% with other gases.

Still, the system is in active use in the U.S. and Canada and continues in use in Japan.

Stainless Steel Corrugated Tube For Heat Exchanger 

Stainless Steel Corrugated Tube is usually used in heat exchange equipment. Compared with ordinary seamless steel pipes, Stainless Steel Corrugated Tube has a larger heat exchange area, smaller tube wall thermal resistance, and excellent heat transfer coefficient, so it is not Stainless Steel Corrugated Tube For Heat Exchanger is a new type of high-efficiency heat exchange tube that replaces the tube and has been widely used in heat exchange equipment.
 
Stainless Steel Corrugated Tube For Heat Exchanger is a thin-walled tube with large and small arcs continuously tangent and corrugated inside and outside. The three-dimensional movement outside the tube, so the degree of disturbance is more intense, even if the fluid flow rate is very low, it can make it into a turbulent state, and at the same time, the thin tube wall has a small temperature gradient, which greatly reduces the thermal resistance of the tube wall and improves the heat transfer inside and outside the tube. Coefficient, so that the overall heat transfer coefficient is improved.

Stainless Steel Corrugated Tube Grades:


About Philips Metal Industries

Philips Metal is a trusted manufacturer, supplier & exporter of steel pipe, tube butt-weld fittings, forged fittings, tube fitting, flanges, fasteners, round bar, olets,  sheet, plate & coils in India.

We believe we are OIL and GAS SECTOR SPECIALIST because of our experience in dealing with OIL Companies. Kuwait National Petroleum Corporation, Kuwait Oil Company, Indian Oil, Reliance Industries Limited and refineries in Egypt and gulf region is where we have proudly executed special Orders. We have also abundant experience in dealing with EPC companies across the world.
Location: Mumbai, Maharashtra, India

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