Common sense of stainless steel introduction needs notice

Stainless steel is one kind can revolt cankerous tall alloy steel. Have beautiful appearance, do not need to pass plating color or the appearance such as paint to handle, so a lot of machinery plants are indicate from is stainless steel, often do not make any paint processing.

Where is the simple and easy classification that what stainless steel has?

Stainless steel can be divided easy to read and understandly for 200 series, 300 series and 400 series 3 kinds big, among them 300 series are the most commonly used, 200 series and the substitute that 400 series are 300 series on certain Cheng, and severity will tell 400 series not to make stainless steel, make do not become rusty iron, as a result of inside do not contain nickel element, use magnet to be able to be attracted so. And 200 series and 300 series have nickel, do not have magnetism so, suck iron to be not sucked.

304 it is the sort that sees at most in 300 series, change from the quote of 304 normally so can the quoted price that differentiate gives all stainless steel goes situation. 200 series contain nickel little, 400 series do not contain nickel, 300 series contain nickel most, suffer nickel price to affect so the biggest is 300 series.

What does the appearance classification of stainless steel have?

Stainless steel can be divided to coil board, plank, profile, steel tube and component 5 kinds big, the mainest is coil and board. Profile is namely by board of make it all sorts of differring model the data 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 namely, distinction depends on shaping. Component basically is to point to bend and flange and other dot.

Roll on material and plank practice identical, leave factory way is not same stopped, roll material is hank hank namely, plank is a piece a piece, if leave factory,be plank namely, also call former outfit board, it is thick normally board, as a result of very thick word, it is to cannot be become coil, normally 16 millimeter above cannot be become coiled.

Have coil, have board, a lot of moment are board, coil and board quote also is not identical, if be to buy,coil, weigh heavy business accounting by practice namely, quoted price is so high, board be business accounting of according to theory, quoted price is low, the reason is to have next difference, be like the practice with thick 10mm may be 9.6mm, this center can have price difference.

Homebred cold rolling is normally under 3 millimeter, hot-rolling is in normally 3 millimeter above, of 3 millimeter ply have hot-rolling already, also have cold rolling, can be of the entrance ply of cold rolling board can achieve 4 millimeter the following and 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 namely.

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