quality hot rolled astm a479 316l stainless steel bar

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Q:What's the difference between stainless steel 304 and stainless steel 202?
202 stainless steel is one of the 200 series stainless steel, the national standard model is 1Cr18Mn8Ni5N. 200 series stainless steel is low nickel, high manganese stainless steel, nickel content, manganese content of about 8%, is a nickel type stainless steel.
Q:Under what circumstances can the stainless steel pipe be welded by argon arc, and under what conditions can the arc welding be used?
Arc welding is the most widely used welding method in industrial production, it is to use the principle of arc discharge (commonly known as arc combustion) the heat generated by the electrode and the work piece and the formation of weld in melting each other after condensation, so as to obtain the solid joint welding process. The scope of application of electric arc welding is very extensive, such as bucket teeth of excavator, loader, bulldozer blade blade plate, screw conveyor, crusher, mixer blade, rail, forging, gear wheel flange, all kinds of mold, slag crusher, ball mill, machine tool equipment etc..
Q:Stainless steel pipe is mainly used in what areas?
Stainless steel pipe is a kind of hollow long strip round steel, mainly used in petroleum, chemical, medical, food, light industry, machinery, instrument and other industrial pipeline and mechanical structure parts. In addition, the bending and torsional strength of the same weight is lighter, so it is also widely used in the manufacture of mechanical parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.
Q:About stainless steel welding deformation
In fact, the deformation of stainless steel and carbon steel caused little difference, but the deformation is greater than carbon steel, the treatment method is the same.(1) using smaller welding rod and smaller current.(2) correcting welding sequence;(3) before welding, clamp the weldment to avoid warping.(4) avoid excessive cooling or preheating of base metal.(5) the welding penetration is low.(6) reduce weld gap and reduce slotting degree.(7) pay attention to the welding size, not to make the welding bead too big.(8) pay attention to the fixed measures to prevent deformation.
Q:Stainless steel why are rust?
In polluted air (such as atmosphere containing large amounts of sulfides, oxides of carbon and nitrogen oxides), condensate is formed when sulfuric acid, nitric acid, and acetic acid are subjected to condensation, resulting in chemical corrosion.
Q:Where is the difference between seamless steel pipe or welded pipe?
The steel tube is a hollow steel strip, used as pipe conveying fluid, such as oil, gas, water, gas, steam, in addition, the bending and torsional strength of the same, the weight is light, so it is widely used in the manufacture of machinery parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.
Q:Where is the difference between seamles steel pipe and welded pipe?
1., the appearance of seamless steel pipe and welded pipe difference in the welded pipe wall welded tendons, and seamless No.2. seamless pipe pressure is higher, welded pipe is generally in 10 or so MPa, now welded pipe to do seamless processing.3. seamless steel tube is formed in the rolling process. 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:Stainless steel pipe welding interface leakage, how can we not leak?
Protection gas flow, current and voltage should be chosen according to process;
Q:Why does the 304 stainless steel pipe leak?
Chloride poisoning. Why chlorine is found in tap water is not explained here.
Q:Stainless steel tube, also known as why tube
It can be divided into round tube and special-shaped tube according to the cross sectional shapeThe special-shaped tube has a rectangular tube, a rhombus tube, an elliptical tube, six square tubes, eight square tubes, various cross section asymmetric pipes, etc.

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