Condition of common sense of stainless steel introduction is classified

Condition of common sense of stainless steel introduction is classified

The configuration of stainless steel is classified
Stainless steel can be divided to coil board, plank, profile, steel tube and component 5 kinds big, the most important is coil and board. Profile is by board of make it all sorts of differring model the material of shape, have angle iron, flat steel, I-steel, channel. Steel tube basically is to point to seamless steel tube, with seamless steel tube opposite is solder canal, distinction depends on whether shaping. Component basically is to point to bend and flange and other dot.

Roll material and plank actually same, leave factory the form is different just, roll material is hank hank, plank is a piece a piece, if leave factory,be plank, also call former outfit board, it is thick commonly board, because of very thick word, it is to cannot be become coil, general 16 millimeter above cannot be become coiled.

Have coil, have board, a lot of moment are board, coil and board the price also is different, if be to purchase,coil, press namely say actually to weigh calculative, the price is so high, board be according to academic calculative, the price is low, the reason is to have next difference, be like the real possibility with large 10mm is 9.6mm, there can be price difference among this.

Stainless steel board according to rolling mill (the machine name that rolling mill is rolling board) of rolling craft different, cent becomes hot-rolling and cold rolling, hot-rolling normally mark is 2B for mark of NO.1 cold rolling or the face that BA(BA compares 2B is fine, should shine, be close to a mirror, best is lens face, lens face does not have merchandise on hand, need to machine) , for instance 304 a lot of moment are to purchase board, that is meant roll must leave through the machine make the same score board form, this kind of machine flies smooth plane namely. Make the same score the length that can leave to differ through opening equal opportunity, if not be groovy length,make be decided, the meaning drives measure surely namely, because client basis needs actually, constant regular meeting puts forward different length to ask, this moment coils to appear important, groovy board cannot satisfy a requirement.

Homebred cold rolling is commonly under 3 millimeter, hot-rolling is in commonly 3 millimeter above, of 3 millimeter ply have hot-rolling already, also have cold rolling, but the cold rolling of the entrance board ply can achieve 4 millimeter the following even 6 millimeter are the following. 3 millimeter go to hot-rolling of 12 millimeter board make medium plate, of 12 millimeter above cry thick board, can thick to 120 millimeter above, in weighing hot-rolling thick board, and cold rolling is cold rolling thin plate.

What makes common difference
This is a very important name, tolerancepublic errand is accepted the length that allow or ply deviation. Because be in the manufacturing process of plank, it is very difficult to stem from all sorts of reasons. The actual ply that come out often is the ply of short of theory, for instance of 6 millimeter board, have 5.6 millimeter only, this is tolerancepublic errand, often owe noncombatant duty namely in domestic public errand, also have of course tolerancepublic errand, but very few. It is when board of buying and selling, it is to talk ply to calculate normally normally, this also is why the reason with academic lower than weighing high price price, tolerancepublic errand still has the branch of size, the price is different also, of big common difference low-cost. Illustrate, of 6 millimeter, if be 5.5 be big common difference below.

The character of sort of main stainless steel and utility
304: Regard a kind of utility as comprehensive steel products, have be able to bear or endure goodly corrode sex, hear resistance, microtherm intensity and mechanical sex, punch, bend it is good to wait for hot-working sex, without phenomenon of heat treatment sclerosis, without magnetism, use temperature 0 arrive 193 degrees 800 degrees.
Utility: ?

304L regards mild as 304 steel, below general position, be able to bear or endure corrode sex and 304 about the same, but mix after solder after eliminating stress, it fights a brilliant caustic good, below the case that did not have heat treatment, also can keep good be able to bear or endure corrode sex, fall in 400 degrees commonly use,
Utility: Petrifaction industry, building materials.

321 Ti element is added in 304 steel, will prevent a brilliant to corrode, apply to 430 to 900 degrees the following, without magnetism;
Utility: Car exhaust, heat exchanger, the container product that heat treatment does not have after soldering, because add Ti element, the improper food that make machines equipment.

316 low carbon, add MO element, so his be able to bear or endure corrode sex and be able to bear or endure sex of atmospheric corrosion t and performance of high temperature intensity are particularly good, can use below slashing condition, suit to be used below in 900 degrees, without magnetism.
Utility: The device that uses in seawater, chemical industry, dye, papermaking, acetic acid, the manufacturing facilities such as fertilizer, food industry and foreland establishment, the brilliant between antagonism corrodes the product that has special demand.

309S/310S these two kinds of material are qualitative, nickel and chromic content are higher, add the content of Si at the same time, make its are had high temperature resistant and be able to bear or endure corrode sex, among them 309S can bear 980 heat repeatedly below, 310S uses temperature to achieve 1200 degrees, successive use temperature can be in 1150 degrees, without magnetism.
Utility: Equipment of applicable muffle furnace, the crucial position such as dryer, furnace uses data, aviation, petrifaction, electric power.

200 series are similar to 304 low-cost economy.
Utility: ? Say blessing  calls Ke Pu of  of  of Xi of human skeleton of fragrant commonplace て  of  of blessing of uncut jade of fragrant commonplace ど  of sole of  of person of  of  of Mei of  of salary of the dumb hurry that punish  plants  of the first month of Tuo of  of Xu of calm of D of the  that be like sole duckweed bows with hands clasped to Lu  ㄖ  promulgates Cou  , tenacity is inferior to 304, or of 304 be able to bear or endure exhaustion is spent any better.

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