seamless steel tube articles & resources on Made-in-China.com

Steel Inside The Non-Metallic Inclusions Is Pressed Into The Sheet,Delamination Phenomenon

Jan 10, 2014

Hot-rolled steel products, poor control of the thickness and width of the edge in this respect. We are familiar with thermal expansion and contraction, since the beginning of the hot rolling out even the length, thickness are standard, and ...

Tags: Hot Rolled Steel, Seamless Steel Tube

After Cold Drawn Seamless Steel Tubes Are Needed Stress Relief Annealing

Jan 3, 2014

After cold drawn seamless steel tubes are needed stress relief annealing, to eliminate the residual stress of the material, improve the organization of materials, improved plastic material, so as to achieve the purpose of preventing ...

Tags: Manufacturing, Processing Machinery, Seamless Steel Pipe

Brazil's Seamless Steel Tube Imports Totaled 10,579 Tons in November,Slumping by 21% M-O-M

Dec 18, 2013

According to data released by the Brazilian foreign trade ministry, Mdic, the country’s imports of seamless steel tubes totaled 10,579 tons in November, slumping by 21% from the previous month. China was the largest supplier of ...

Tags: steel, metallurgy

Spiral Steel Pipe Will Be Hot Rolled Strip Steel by The Spiral Bending Forming

Nov 27, 2013

Spiral steel pipe will be hot rolled strip steel by the spiral bending forming, with automatic submerged arc welding seam and seam welding spiral steel pipe. Double wire, double submerged arc spiral pipe in the solder layer under the arc ...

Tags: Construction, Decoration

Hengyang Valin Steel Tube Inked a Strategic Cooperation Agreement with CNOOC

Nov 26, 2013

On November 20, Hunan Province-based Chinese steelmaker Hengyang Valin Steel Tube Co. (Hengsteel), a subsidiary of Hunan Valin Iron and Steel Group Co., announced that on November 15 it inked a strategic cooperation agreement with China ...

Tags: Steel Tube, Mineral

Brazil's Seamless Steel Tube Imports Totaled 7,974 Tons in September

Oct 21, 2013

According to data released by the Brazilian foreign trade ministry (Mdic), the country's imports of seamless steel tubes totaled 7,974 tons in September, slumping by 39% from a month ago. China was the largest exporter of seamless steel ...

Tags: Seamless Steel Tube, Construction

The Introduce of Seamless Pipe

Oct 16, 2013

Seamless steel pipe is a hollow cross section, no seams round, square, rectangular steel. Seamless steel ingot is made of perforated or solid tube capillary tube, and then by hot-rolled, cold-rolled or cold- call is made. Seamless hollow ...

Tags: Seamless Pipe, steel pipe

Heat Treatment After Welding Is a New Technique to Eliminate The Residual Stress

Aug 14, 2013

Welding residual stress is caused by the welding weldment uneven temperature distribution, thermal expansion and contraction of weld metal and other causes, so along with welding construction inevitably produce residual stress. Eliminate ...

Tags: Heat Treatment

S&P Said That The Seamless Steel Tube Producer Vallourec Will Maintain Market Positions

Dec 24, 2012

The international credit ratings agency Standard and Poor's has announced that the France based seamless steel tube producer Vallourec will maintain its strong market positions in premium steel pipes and connections for the oil and gas ...

Tags: Standard and Poor, seamless steel tube, Vallourec, market positions

Steel Pipe Fittings Is a Long Hollow Section Steel

Nov 11, 2011

Steel pipe fittings is a long hollow section steel, a large number of channels for transporting fluids such as oil, gas, water, gas, steam, etc. In addition, practice bending, torsional strength of the same lightweight, so it is widely used ...

Tags: learning center, stainless steel pipe fittings

Fb - Pull off When The Sample Is Exposed Most Strongly

Aug 22, 2011

1. Hot rolled (extrusion seamless steel pipe): Round Tube > 3 > heating > perforated roller rolling, rolling or extrusion > > set off pipe diameter (or reducing) > cooling > > straightening pressure test (or testing) > mark > storage 2. ...

Tags: Seamless steel tube

GB/T8162-2008 Is Used for General Structural and Mechanical Structure

Aug 9, 2011

1, structure seamless steel pipes (GB/T8162-2008) is used for general structural and mechanical structure of seamless steel tubes. 2, fluid delivery with seamless steel pipe (GB/T8163-2008) is used for conveying water, oil, gas and other ...

Tags: Seamless steel tube

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