STAINLESS STEEL 304 pipe materail

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Stainless Steel Pipe


304 321 316 310


In bundle



Comparison of standardized steels


Steel no. k.h.s DIN


Steel name

SAE gradeUNS
1.4408G-X 6 CrNiMo 18-10316


Stainless steel’s resistance to corrosion and staining, low maintenance and familiar lustre make it an ideal material for many applications. There are over 150 grades of stainless steel, of which fifteen are most commonly used. The alloy is milled into coils, sheets, plates, bars, wire, and tubing to be used in cookware, cutlery, household hardware, surgical instruments, major appliances, industrial equipment (for example, in sugar refineries) and as an automotive and aerospace structural alloy and construction material in large buildings. Storage tanks and tankers used to transport orange juice and other food are often made of stainless steel, because of its corrosion resistance. This also influences its use in commercial kitchens and food processing plants, as it can be steam-cleaned and sterilized and does not need paint or other surface finishes.

Stainless steel is used for jewelry and watches with 316L being the type commonly used for such applications. It can be re-finished by any jeweler and will not oxidize or turn black.

Some firearms incorporate stainless steel components as an alternative to blued or parkerized steel. Some handgun models, such as the Smith & Wesson Model 60 and the Colt M1911 pistol, can be made entirely from stainless steel. This gives a high-luster finish similar in appearance to nickel plating. Unlike plating, the finish is not subject to flaking, peeling, wear-off from rubbing (as when repeatedly removed from a holster), or rust when scratched.

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Q:304L stainless steel pipe can withstand 0.1MPA?
If you want to know how much pressure the steel pipe is under, you need to know the type of the stainless steel pipe.Pressure calculation formula of stainless steel management: pressure MPA=, tensile strength X40%X2X, wall thickness / outer diameterBut from my experience, generally speaking, stainless steel tubes can withstand 0. 1MPA. Unless it is used very thin stainless steel tube wall decoration.
Q:Can stainless steel pipes spray black paint
Can. The surface roughening with a thick gauze, do not use ordinary paint intensity difference. With resin paint, paint can be
Q:What's the difference between stainless steel 304 and stainless steel 202?
Different chemical composition. 304 of the nickel is much higher than 202.
Q:What's the easiest way to distinguish between stainless steel 202 and 304?
They all belong to the austenitic stainless steel, 202 with Mn and N to replace part of nickel, so as to obtain the mechanical properties and good corrosion resistance, is a new type of stainless steel nickel, his strength at room temperature is higher than 304, there are no good oxidation resistance and magnetic strength in medium temperature below 800 degrees. Potions don't fly
Q:Stainless steel pipe welding interface leakage, how can we not leak?
The gap between the group and the WPS should be corresponding, and the gap is too big or too small, which will lead to welding defects;
Q:Stainless steel pipe 301 material and 304 material what is the difference?
301 stainless steel shows obvious work hardening during deformation and is used in various occasions requiring higher strength. 301, compared with 304 steel material, C content is much, Cr and Ni content is little, cold processing tensile strength and hardness increased, without magnetism, but after cold processing has magnetism.
Q:The difference between galvanized steel pipe and stainless steel pipe
Cast iron pipes (Cast, Iron, Pipe), cast cast pipe. Cast iron pipes are used for water supply, drainage and gas transmission lines. They include cast iron pipes and pipe fittings. Labor intensity is small. According to the casting method, it is divided into continuous cast iron pipe and centrifugal cast iron pipe, in which the centrifugal cast iron pipe is divided into sand mould and metal type two kinds. Divided into gray cast iron pipe and nodular cast iron pipe according to different material. According to the interface form, it is divided into flexible interface, flange interface, self anchored interface, rigid interface and so on. Among them, the flexible iron pipes rubber sealing ring; flange interface cast iron pipe flange fixed in the rubber pad, the flange gasket sealing; rigid interface cast iron pipe socket is large, straight pipe is inserted, sealed with cement, this technology has been basically eliminated
Q:What are the connecting methods of stainless steel pipes for indoor water pipes?
Card type features: easy to install, connecting the external pipe, the internal rubber ring is evenly compressed into hexagonal. Scope of application: cold water system, pipe direct drinking water system, and more suitable for pipe installation. The utility model has the advantages that the connection is simple and convenient, the working hours are short, and the cost is moderate. Drawback is the single application, the maintenance of trouble, both the pipe sealing ring in aging and need to be replaced more trouble, because the connection was stuck, replacement is the need to both ends of the pipe to replace the sawing.
Q:Are stainless steel pipelines buried in need of corrosion protection?
The factors of the material itself: stainless steel pipe structure exists because of the equipment, or the existence of cracks of metal or non-metal deposits on the surface, in the sediment and the stainless steel tube surface in the formation of cracks, corrosion, will give priority to produce punctate and ulcer like damage in the crevice, which is crevice corrosion.
Q:What are the differences in the properties of hot-rolled and cold-rolled stainless steel tubes?
From the current market, cold working processing method has been basically eliminated the hot working mode, this is caused by defects in thermal processing of stainless steel pipe: thermal processing of stainless steel tube, as in the case of heating, a molding, molding the mechanical properties of the stainless steel tube is relatively poor, so the tube doing mechanical processing will often cannot meet the needs of mechanical and physical properties.

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