You can see heat exchangers in all kinds of places, usually working to heat or cool buildings or helping engines and machines to work more efficiently. Refrigerators and air-conditioners, for example, use heat exchangers in the opposite way from central he ...

Suppose you have a gas central heating furnace (boiler) that heats hot-water radiators in various rooms in your home. It works by burning natural gas, making a line or grid of hot gas jets that fire upward over water flowing through a network of pipes. As ...

Hydrotest for Pipe Fittings Hydrostatic test or hydro test is not required for pipe fittings unless specifically requested by the purchaser. Code mandate that fittings shall be able to withstand under pressure required by applicable Piping Code. But all ma ...

Low alloy steel refers to alloy steel with total alloying elements less than 5%. Compared with carbon steel, low alloy steel is intended to add one or several alloy elements to the steel in order to improve the performance of the steel on the basis of carb ...

Carbon steel is used for normal pressure temperature applications. Alloy steel is used for high-pressure temperature applications. Stainless steel is used for corrosive applications. And nickel steel is used for a low-temperature application. Here I will s ...

Size of API 5L welded steel pipe: Outer Diameter: 1/8″-36″(10.3mm-914.4mm) Wall Thickness: 1.0mm-20mm Length: Random Length,SRL,DRL(4-14M) API 5L ERW steel pipes Steel Grade: A53 Gr. A, Gr B, A106 GR.A GR.B A333 GR1 GR3 GR6 End: plain ends, bev ...

API 5L line pipe (Seamless and welded pipe) of all grades have PSL1 and PSL2 two product specifications, they are different on chemical composition, manufacturing processes, mechanical strength, heat treatment, test records, traceability etc. PSL is the sh ...

Maximum working pressure of carbon steel pipe at temperature 400°F Maximum allowable pressure is calculated with the Barlow’s formula for A53 Grade B Seamless and Welded Standard Steel Pipe with Yield Strength 35000 psi and design factor 0.7. Allowab ...

Pipe sizes, inside and outside diameters, wall thickness, schedules, moment of inertia, transverse area, weight of pipe filled with water-U.S. Customary Units The steel pipe data chart below can be used to find pipe sizes, diameters, wall thickness, workin ...

Dimensions and weights of steel tubes according BS EN 10255 BS 1387:1985 has been withdrawn and replaced with the European standard EN 10255:2004 (implemented by UK national standard body as BS EN 10255:2004  “Non-alloy steel tubes suitable for weldi ...

Hebei Haihao Group supplies a wide range of quality industrial forged steel flanges including slip-on flanges, socket weld flanges, blind flanges and other shapes for connection applications in the oil, gas, chemical, wind, pharmaceutical and other industr ...

Different types of flange faces are used as the contact surfaces to seat the sealing gasket material. ASME B16.5 and B16.47 define various types of flange facings, including the raised face, the large male and female facings which have identical dimensions ...

Polishing refers to the use of mechanical, chemical or electro chemical action to reduce the surface roughness of the fitting, in order to obtain a bright, flat surface processing method. It uses polishing tools and abrasive particles or other polishing me ...

At present, polishing is widely used in the surface modification of pipe fittings, flanges, steel pipes and other pipeline products. There are six main polishing methods: mechanical polishing, chemical polishing, electrolytic polishing, ultrasonic polishin ...

Polyurethane coating is a kind of anticorrosive coating, its main components are isocyanate-NCO and hydroxyl. At present, it is widely used in pipe fittings, pipes, flanges and other pipeline products surface anti-corrosion. As a surface anticorrosive coat ...

In some cases, butt weld fittings can be externally coated with protective materials, internally lined (example PTFE may be inserted to enhance the resistance of the bare metal to corrosive fluids) or clad. PTFE Lined Pipe Fittings Advantages of Lined Pipe ...

ASTM A216 covers three grades of carbon steel (Grades WCA, WCB, and WCC). The selection of which grades shall depend on the design and service conditions, mechanical properties, and the high temperature characteristics. Steel castings shall be heat treated ...

Generally speaking, the mechanical properties of castings are lower than those of forgings of the same material. In addition, forging process can ensure the continuity of metal fiber structure, keep the fiber structure of forgings consistent with the shape ...

Hebei Haihao Group specializes in the production of elbow, tee, flange, and other pipe fittings commonly used in water supply pipeline system. As a water supply pipe, it is required that the pipe fittings and flange materials are hygienic, safe, energy-sav ...

The stainless steel pipe fitting has the characteristics of easy installation, high performance and durability, and is widely used in the construction and installation of various pipelines. In recent years, stainless steel pipe fitting products have been u ...