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A NEW HIGH-SPEED CIRCUMFERENTIAL ROOT PASS WELDING FOR PIPELINE CONSTRUCTION

MECHANICAL PROPERTIES OF WELDED JOINTSteel pipes used are API 5LX X52 and X60, with 16 inch outer dia. The wall thickness is 0.5 inch for X52 and 0.25 inch for X60. Welding wire used is of 1.2 mm dia., containing REM. Chemical compositions of pipes and the filler wire are listed in attached Table.

Pipe-joining methods

Steel pipe should be welded, except for joints which need to be taken apart for service, which will be flanged. It is essential that welding is carried out by competent craftsmen and is subject to stringent inspection.Flanges for ammonia (and preferably, also, for other refrigerants) must be of the

STAINLESS STEEL ROUND BARS ADVANTAGES

Advantages of stainless steel round bars:Good corrosion resistance and machinabilityGood solderability and formabilityHigh strength and light weightSpecifications:Size: 2-400mm;Length: 2-12m;Material Grade: Grade 304; Grade 201; Grade 316l; Grade 430 Use of stainless steel round bars: Decoration, co

Compressed Air Transmission and Treatment

Steel pipesSteel pipes to BS 1387 are normally specified in the nominal bore sizes given in Table 1. Finishes can be black or galvanised, the latter being preferred for corrosion resistance.

Advantages of Pre-galvanized Steel Pipe

Pre-galvanized steel pipe is one of the most common and popular types of pipe today, made of solid steel with an additional zinc coating. The role of the zinc coating is to prevent the steel pipe from rusting and corroding. Since the pre-galvanized steel pipe does not rust or corrode, the pipe will

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