DADA STEEL

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DADA STEEL Co., Ltd. is a company specialized in mild steel plate,shipbuilding steel plate,Boiler steel,Weathering steel plateThe supply capacity per year is about 8,900,000 tons steel plate/coil according to EN10025,EN10028,ASTM A36,ASTM A131, JIS G3101,JIS G3106...

  • Gas cylinder steel plate

    Gas cylinder steel plate

    Gas cylinder steel plate is used in welded gas cylinder and related products. supplies gas cylinder steel with better anti-stress capability. Popular......

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  • Shipbuilding steel plate

    Shipbuilding steel plate

    shipbuilding steel plate suppliers,we supply A,B,D,E,AH32,DH32,EH32,FH32,AH36,DH36,EH36,FH36,AH40,DH40,EH40,FH40 with ABS,DNV,GL ....

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  • Boiler pressure vessel steel

    Boiler pressure vessel steel

    Boiler and pressure vessel grade steel comes in a variety of grades and thicknesses, and are designed to withstand the immense internal ......

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  • Alloy steel Plate

    Alloy steel Plate...

    Alloy steel is steel that is alloyed with a variety of elements in total amounts between 1.0% and 50% by weight to improve its mechanical properties. ...

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  • Q345B steel plate

    Q345B steel plate

    Steel grade Q345B is the most common used as high strength low alloy structural steel in industry area. ...

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  • Q235B steel plate

    Q235B steel plate

    Q235 steel is Chinese structural steel, Q235A Q235B Q235C Q235D material density: 7.85 g/cm3, properties, specification, composition .. ..

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x70 steel chemistry

  • API 5L X70 steel plate BEBON INTERNATIONAL

    API 5L X70 steel plate/pipes, API 5L X70 steel plate/pipes, under API 5L standard, we can regard X70 steel plate/pipes as large diameter pipes.X70 steel plate/pipes is one mainly of Steel for large diameter pipes,API X70 steel with the demands in mechanical properties of the pipes followed the API specification for grade X70 (YS is 485MPa, TS is from 600 750 MPa).It is well known that a low Read More

  • API 5L Pipe X42 X70 chemical composition_CHN Steel pipe

    API 5L Pipe X42 X70 chemical composition ,Chemical composition C 0.17, Si 0.40, Mn 1.20, P 0.02, S 0.01, Cr 0.05, Nb 0.05, Ti 0.04 Regards Read More

  • Products · About Us
  • API 5L X GradesX52 X56 X60 X65 X70 Welded & Seamless

    Grades covered by this specification are A25, A, B and "X" Grades X42, X46, X52, X56, X60, X65, X70, and X80. The two digit number following the "X" indicates the Minimum Yield Strength (in 000's psi) of pipe produced to this grade.Read More

  • Specified Minimum Yield Strength an overview

    Steel may be grouped according to strength level and welding characteristics as follows Group I designates mild steels with specified minimum yield strengths of 40 ksi (280 MPa) or less. The carbon equivalent is generally 0.40% or less, and these steels may be welded by any of the welding processes as described in AWS D1.1.Read More

  • What are the chemical composition and mechanical

    API 5L X70 Pipe is also known as L485 pipe. It is a carbon steel pipe available in PSL1 and PSL2. The API 5L X70 PSL2 pipes are used in oil and gas transportation as they required high pressure pipelines. Below is the chemical Composition of API 5Read More

  • API 5L X80 steel plate steel plates BEBON INTERNATIONAL

    BEBON steel can supply API 5L X70,API 5L X65,API 5L X60,API 5L X52,please contact us if you need. Bebon International is a professional API 5L X80 steel exporter and a steel Stockist in china. We keep more than 1000 tons API 5L X80 steel in stock every month. If you want to get the API 5L X80 steel price, please do not hesitate to contact us Read More

  • Company Mannesmann Grossrohr GmbH

    Technology leader As the first manufacturer to use HTS technology and by continuously fine tuning this process ever since, we are defining the limits of what is feasible in the production of helically welded large diameter pipe.. Long standing experience For over 55 years now we have served customers around the globe in such industries as gas and oil pipeline construction, energy storage and Read More

  • PAPER OPEN ACCESS Mechanical Characterization of

    The SEM micrograph of X70 steel revealed the presence of polygonal ferrite/pearlite banding (pancake type), an occurrence in hot rolled, low alloy steels and a ferritic grain size. The presence of a small volumetric fraction of bainite / degenerated pearlite and the absence of Read More

  • API 5L X70 Pipe, API 5L X70 PSL1 / PSL2 Neelcon Steel

    API 5L X70 Pipe Stockist, API 5L X70 Erw Pipe , API 5L X70 Seamless Pipe Suppliers, API 5L X70 Psl2 What is X70 Pipe? API X70 steel pipe is a carbon based steel pipe which contains alloying compounds. Besides carbon, the API 5L X70 material include silicon, manganese, phosphorus, sulphur and niobium. The percentage of manganese and Silicon are higher in the alloy used to make API 5L X70 Read More

  • API 5L X70 Seamless Line Pipe X70 Grade Steel Pipe

    Aesteiron Steel presence:. Aesteiron has sales Representative & Stockyard in Netherlands, Venezuela, South Africa, Indonesia, USA, UAE & Australia, in our UAE stockyard we have ready stock of API 5L X70 Pipe,x52 pipe, x42 pipe, x70 pipe, x65 pipe, x60 pipe, x56 pipe, x80 pipe, psl2 pipe, ERW Steel Pipe, LSAW Steel Pipe, Seamless Steel Pipe, P22 Pipe, sa213 t11, S/A 53, API 5L Line Pipe & A 106 Read More

  • Self Assembly and Anticorrosive Property of N Alkyl 4 [2

    Dec 29, 2014 · A new type of self assembly inhibitors, N alkyl 4 [2 (methoxycarbonyl)vinyl]pyridinium bromide surfactants (designated as PPA n, n = 8, 10, 12, and 14), has been synthesized and characterized by various spectrum methodologies. The anticorrosive performance of PPA n on X70 steel in 5 M HCl was evaluated via weight loss and electrochemical methods as well as theoretical calculation.Read More

  • Anodic Dissolution of API X70 Pipeline Steel in Arabian

    The anodic dissolution of API X70 pipeline steel in Arabian Gulf seawater (AGSW) was investigated using open circuit potential (OCP), electrochemical impedance spectroscopy (EIS), cyclic potentiodynamic polarization (CPP), and current time measurements. The electrochemical experiments revealed that the X70 pipeline steel suffers both general and pitting corrosion in the AGSW solution.Read More

  • Microstructure and Properties of Low Manganese API X70

    Abstract. The microstructure and properties of a low manganese (0.91.0%Mn) X70 pipeline steel for sour service application was investigated. The microstructure of thermomechanically processed X70 pipeline steel primarily consisted of acicular ferrite (AF) together with small fraction of polygonal ferrite(PF), degenerated pearlite (DP) and martensite/austenite (M/A) constituent.Read More

  • Mechanical and Metallurgical Properties of Grade X70 Steel

    Until recently X70 steel has been the generalized grade for linepipe steel. However, there is a need to use higher grade steels such as X80 or X100 for high transmission efficiency and lower Read More

  • Anodic dissolution of API X70 pipeline steel in Arabian

    Jan 01, 2014 · Free Online LibraryAnodic dissolution of API X70 pipeline steel in Arabian Gulf seawater after different exposure intervals.(Research Article, Report) by "Journal of Chemistry"; Dissolution (Chemistry) Models Pipe lines Chemical properties Identification and classification Pipelines Sea water Seawater SteelRead More

  • Development of API X70 Grade Hot Rolled (HR) Coils for

    In this paper, efforts made at BSL, SAIL towards developmental of API X70 grade HR coils intended for SW pipes, have been presented. Two trial heats with Nb Cr V and Nb Cr V Mo based chemistry aiming (a) ferrite pearlite and (b) ferrite pearlite bainite microstructures respectively were made and cast into 1400 x 210 mm slabs. These trial slabs were processed under suitably designed process Read More

  • Electrochemical Behavior of API X70 Steel in Hydrogen

    Abstract. As an attempt to contribute to the understanding of the corrosion process of steel by hydrogen sulfide (H 2 S), the corrosion behavior of an X70 pipeline steel immersed in several H 2 S containing solutions is analyzed in this work. Linear polarization resistance (LPR) and electrochemical impedance spectroscopy (EIS) techniques were used in order to characterize the corrosion Read More

  • API 5L pipe specifications American Piping Products

    API 5L seamless & welded pipe American Piping Products stocks API 5L pipe in grades B and X42 X120. Scope. ANSI / API 5L specifies the manufacture of two product levels (PSL1 and PSL2) of seamless and welded steel pipe for the use of a pipeline in Read More

  • API 5L X70 welding filler metal Welding, Bonding

    Aug 12, 2006 · I would not use 70 tensile strength filler metal as X70 has a minimum tensile strenth of 82 ksi. You might achieve that based on what brand/type of consumable you use, but not probable. It just means it ia 80 minimum tensile strength, and of any chemistry. It could be a 12 Cr creep resistant electrode for all the 8018 G classification tells Read More

  • Mechanisms of Ti and B on improving weld metal toughness

    Three types of welding consumables are evaluated on submerged arc welds of X70 steel, among which the Ti B Mo rich electrode produces the best toughness properties. In the weld from Ti B Mo rich electrode, significant amount of C, B and Ti is segregated along the prior austenite grain boundary (PAGB) while B is depleted adjacent to PAGB.Read More

  • Development of API X70 Grade Hot Rolled (HR) Coils

    Development of API X70 Grade Hot Rolled (HR) Coils for Spiral Welded (SW) Pipes . S. K. Shukla. 1,* ferrite pearlite microstructure having NbV Cr based steel chemistry, where the required tensile properties need to be Development of API X70 Grade Hot Rolled (HR) Coils for Spiral Read More

  • An Investigation on Microstructural Evolution of X70 Steel

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  • Effect of Chemistry on the Fracture Toughness of Low

    While chemistry is a factor, welding parameters can also be influential and affect the HAZ toughness. The present work compares the effect of C, Cr, and Mo on the girth weld HAZ fracture toughness of X70 in identical welds.Read More

  • In situ polymerization on X70 steel surface and corrosion

    The results indicated that the double polymer film formed on the X70 steel surface was exhibited an inhibition efficiency of 98.86% for X70 steel in 5 M HCl at 90°C for 24 hours immersion. Biography Xiaohui Jiang has completed her PhD from Southwest Petroleum University, China.Read More

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