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x52 line pipe

BLOG_POSTED_BY Darrell Darrell     Jun 23    
At the beginning of this century, the development of the stainless x52 line pipe steel plate for the development of modern industry and science and technology progress laid the important material technology base. Stainless steel plate steel kind of many, different performance, it gradually formed in the process of developing a few broad categories. According to the organizational structure is divided into austenitic stainless steel, martensite stainless steel plate (including precipitation hardening stainless steel plate), ferritic stainless steel plate, and two phase austenite and ferrite stainless steel plate and so on four categories? According to some characteristics of the main chemical composition of steel sheet or plate element to classification, divided into chromium stainless steel, chromium nickel stainless steel plate, nickel chromium molybdenum stainless steel plate, and low carbon stainless steel plate, high molybdenum stainless steel plate, high purity stainless steel plate, etc. According to the performance characteristics of the steel plate and USES classification, divided into nitric acid stainless steel plate, stainless steel plate, sulfate resistance to pitting corrosion of stainless steel plate and stress corrosion of stainless steel plate, high strength stainless steel plate, etc. According to the functions and characteristics of the steel plate, classification, divided into low temperature stainless steel plate, non-magnetic stainless steel plate, free cutting stainless steel plate, the superplasticity of stainless steel plate, etc. Now common classification method is according to the structure characteristics of steel plate and steel chemical composition and method of the combination of classification. Generally divided into martensite stainless steel plate, ferritic stainless steel plate, austenitic stainless steel, duplex stainless steel plate and precipitation hardening stainless steel plate or divided into two major categories of nickel chromium stainless steel plate and stainless steel plate. Quite useful typical use: the pulp and paper used heat exchanger equipment, mechanical equipment, dyeing equipment, film processing equipment, pipelines, coastal areas wait outside the building.
Stainless steel plate surface is smooth, high plasticity, toughness and mechanical strength, acid and alkali corrosion of gas, solution, and other media. It is a kind of alloy steel is not easy to rust, but not absolutely not rust.
Corrosion resistance
Stainless steel plate with unstable nickel-chromium alloy 304 x56 line pipe similar ability to resist the general corrosion. In long time heating in the temperature range of chromium carbide degree may affect alloys 321 and 347 in harsh corrosive medium. Mainly used for high temperature applications, high temperature applications require materials have strong sensitization resistance, in order to prevent intergranular corrosion at low temperature.
High temperature oxidation resistance
Stainless steel plate has high temperature oxidation resistance, however, oxidation rate would be exposed to the environment and the influence of natural factors such as product form.
Physical properties of
Total heat transfer coefficient of metal besides x60 line pipe depends on the thermal conductivity of the metal, also depends on other factors. In most cases, the coefficient of heat transfer membrane layer, scale, and the surface condition of the metal. To maintain a clean and tidy surface of stainless steel, so its heat transfer is better than other higher thermal conductivity of metal. Liaocheng suntory provides eight stainless steel, stainless steel plate technology standard stainless steel corrosion resistance, bending properties and weld toughness and good performance of stamping and welding parts of the processing of high strength stainless steel plate and its manufacturing method. Specifically to contain C: less than 0.02%, N: less than 0.02%, Cr: more than 11% less than 17%, proper content of Si, Mn, P, S, Al, Ni, and meet the 12 Cr Mo Si acuities were 17, 1.5 1 or less Ni 30 or less (C, N) 0.5 0.5 (Mn Cu) 4 or less, Cr, Ni Cu) 3.3 Mo acuity 16.0, 0.006 C or less N the stainless steel plate of 0.030 or less heating to 850 ~ 1250 ℃, and then to the cooling speed of more than 1 ℃ / S cooling heat treatment. So I can be inclusive of our 12% volume fraction on the horse's body organization, more than 730 mpa, high strength, corrosion resistance and bending performance, excellent welding haz toughness of high strength stainless steel plate. Recycling containing Mo, B, etc., can significantly improve the welding parts stamping processing performance.
Add oxygen gas flame can't stainless steel stainless steel plate is not easy to be oxidized.