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The steel market is affected by the real estate market downturn, the iron and steel was in the cold winter in 2015, which had been the industry known as the severe winter in the steel industry. And steel industry suffered significant losses...

How to make the alloy tubing surface cleaner? Today I will share some knowledge on alloy steel tube surface clean. Descaling grade, the common used construction process of anticorrosion coating such as epoxy, vinyl, and phenol, generally req...

ASTM A192 boiler steel pipe is a kind of seamless steel pipe. The manufacturing ways are the same to the seamless tube, but have strict request for manufacturing steel. According to the use temperature, boiler steel pipe can be divided into...

Spiral welded steel pipe is made with the steel strip or steel plate bending deformation shapes like round, square etc. before welding, jointed on the surface of the steel pipe. There are different welding ways: electric arc welding, high f...

It is well-known that drill collars are processed with AISI 4151 H chromium molybdenum alloy steel. And the mechanical properties meet API SPEC 7-1 requirements, and the physical properties are guaranteed one inch below the surface at ambien...

ERW pipe welded joints the most important advantages are no ERW welded filler metal, heating speed and high production efficiency. Of course, there are some shortcomings. No welded filler metal cant benefit approach elements improve welded...

The quality problems of boiler tubes are mainly in cracks, shrinkage, peeling, pit, layered and slag etc. Boiler steel tubes defects and injuries may exist in the same process of smelting and rolling. So the defects in the surface of boiler...

The thick walled welded steel pipe refers to the thickness of the tube body is more than 10mm. According to the production process and different weld seam, thick walled welded pipes can be divided into thick wall spiral welded steel pipe an...

It is well-known that boiler pipe is produced from heat resisting carbon and low alloy steels which can wear high pressure and temperature. And boiler pipes is mainly applied in parts of energy equipment like steam super-heaters, boilers an...

Anyang General International Co., Ltd is a comprehensive trade company in China, subsidiary company Henan Anson Steel Co., Ltd as a professional casing and tubing manufacturers, mainly manage casing pipe, tubing pipe, drill pipes, drill coll...

For different customers, the requirements of straight seam submerged arc welded steel pipe are also in different way. There are some tips to tell you how to choose straight seam submerged arc welded pipe. Hope to help you in your oil and na...

Submerged arc welding technology parameter is mainly referred to welding current, arc voltage, welding speed, wire diameter and extended length etc. These parameters will affect the weld seam shape and the fusion rate, thus which influence...