STAINLESS STEEL LARGE DIAMETER PIPE

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PRODUCT NAME:  STAINLESS STEEL LARGE DIAMETER PIPE  

NameSTAINLESS STEEL LARGE DIAMETER PIPE
StandardASTM, GB, JIS, DIN, EN, AISI
Material GradeTP304 TP304L TP316 TP316L TP347 TP347H TP321 TP321H TP310 TP310S
TP410 TP410S TP403
S31803/S32205 S32750 S32760
Outer DiameterWelded Pipe: single slit(Φ8mm-Φ630mm); girth(Φ630mm-Φ3000mm),
ThicknessWelded Pipe: single slit(0.5mm-25mm); girth(3mm-30mm)
LengthCommonly 5.8 Meters or 6.0 Meters,  or as customers' request
ToleranceAccording to the Standard, +/-10% Commonly.
Surface180#, 320#, 400# Satin / Hairline, Bright Anneal, Pickle,400#, 500#, 600# or 800# Mirror finish
ApplicationPetrochemical industry, chemical fertilizer industry, oil refining industry, oil and gas industry, light industry and food industry, pulp and paper industry, energy and environmental industries.
TestFlaring test, Flattening test, Bending Test, Hydraulic Test, Eddy Current test

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Q:Ask experts, 304 stainless steel pipe why rust?
Stainless steel is not easy to rust and has a lot to do with the composition of stainless steel. In addition to iron, stainless steel contains chromium, nickel, aluminum, silicon and so on. General stainless steel chromium content is generally not less than 12%, high even up to 18%. Steel added elements such as chromium, can change the performance of the steel, such as the molecular structure of steel more uniform on the surface of the steel is more easily to form a layer of dense oxide protective film, thereby greatly improving the ability of corrosion-resistant stainless steel. Therefore, stainless steel can resist fire, water, acid, alkali and various solutions to its corrosion, not rust. The scientists found that the internal structure of the steel is more uniform, various components more closely linked to the corrosion of the more difficult the invasion, also attached to the surface with a layer of oxide film, like iron and steel to wear armor, was not naturally easy to rust.
Q:Stainless steel pipes can not be less than the amount of chromium
General stainless steel chromium content is generally not less than 12%, high even up to 18%. Steel added elements such as chromium, can change the performance of the steel, such as the molecular structure of steel more uniform on the surface of the steel is more easily to form a layer of dense oxide protective film, thereby greatly improving the ability of corrosion-resistant stainless steel. Therefore, stainless steel can resist fire, water, acid, alkali and various solutions to its corrosion, not rust. The scientists found that the internal structure of the steel is more uniform, various components more closely linked to the corrosion of the more difficult the invasion, also attached to the surface with a layer of oxide film, like iron and steel to wear armor, was not naturally easy to rust. Why is stainless steel rust? When the stainless steel tube surface appear brown rust (point) when people are surprised: stainless steel does not rust, rust is stainless steel, steel may be a problem. In fact, this is a lack of understanding of stainless steel one-sided misconceptions. Stainless steel will rust under certain conditions. Stainless steel has the ability to resist atmospheric oxidation - that is, stainless steel, and also has the ability to corrode in medium containing acids, alkalis, and salts - that is, corrosion resistance. But its corrosion resistance is changed with the chemical composition, the mutual state, the condition of use and the type of environmental medium.
Q:304 stainless steel seamless tube weight how to calculate?
304 stainless steel is a common stainless steel material, the density of 7.93 g/cm3, the industry is also called 18/8 stainless steel. High temperature resistance of 800 degrees, with good processability, high toughness characteristics, widely used in industry and furniture decoration industry and food and medical industry.
Q:What does "stainless steel pipe" DN mean?
Nominal diameter is the size of all piping accessories in the piping system. The nominal diameter is a convenient round integer for reference and is not strictly related to the processing size. The nominal diameter follows the letter "DN" followed by a number sign.
Q:What brand of stainless steel pipe cutting machine is good?
Cut stainless steel tube, choose what brand is good, not the most important, first of all depends on what method to cut the best, the current cutting methods are saw blade, saw blade, laser, plasma, turning tools and so on.
Q:SA-179 what kind of material is steel pipe?
SA179 corresponds to China's material is GB8163 10# seamless steel pipe.
Q:Mirror stainless steel tube 60*60 how much is one meter?
Stainless steel tube square weight formula: (pipe circumference / 3.14- actual thickness) * actual thickness *0.02491* length, 0.02491 of which is converted by the stainless steel density of a constant.
Q:Why can't stainless steel tubes be cut with acetylene?
Is mainly from Huoxian, heating flame is mainly open before cutting and cutting plate preheating on the auxiliary heating.Stainless steel, chromium containing at least 13% or more, it hinders the exothermic oxidation and melting phenomenon, which is higher than that of iron chromium to 316 degrees, 1855 degrees, so can not use stainless steel oxygen - acetylene flame cutting.
Q:Where is the difference between seamless steel pipe or welded pipe?
Seamless steel tube is formed during rolling. Welded steel pipes need to be welded after coiling, and spiral welding and direct welding are generally used. Seamless performance is better, of course, the price is higher.
Q:Disadvantages of stainless steel tubes
Stainless steel composite pipe and aluminum plastic composite pipe in the structure of almost, to some extent, the performance is also relatively close. Similarly, due to the strength of the steel, the construction process is still a problem.

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