Why stainless steel tank also with magnetic

High pressed galvanized drinking water storage tank
Category: stainless steel water tank
In our daily life experience, we often think that the magnet is not adsorbed stainless steel water tank, as long as the stainless steel water tank can be magnet adsorption is poor quality stainless steel, so to identify the stainless steel tank is good or bad. In fact, this is not true, this is a very one-sided, unrealistic way to identify the wrong.
There are many types of stainless steel pipes, such as austenitic type: such as 304,321,316,310; martensite or ferrite type: such as 430,420,410;
1.22mm*1.22mm galvanized water tank panel
Austenitic type is non-magnetic or weak magnetic, martensite or ferrite is magnetic. The same time as
Austenite is non-magnetic or weak magnetic, and martensite or ferrite is magnetic, due to smelting component segregation or improper heat treatment, will result in austenitic 304 stainless steel tube in a small amount of martensite or ferrite The In this way, 304 stainless steel tube will be with a weak magnetic. The same time as
In addition, 304 stainless steel tube after cold processing, the structure will be transformed into martensite, cold forming deformation of the greater the greater the transformation of martensite, steel, the greater the magnetic. As a batch of steel, production Φ76 tube, no obvious magnetic induction, production Φ9.5 tube. Due to Ling bending deformation of the larger magnetic sense is obvious, the production side of the rectangular tube deformation than the tube, especially the corner part of the deformation is more intense magnetic more obvious. The same time as
In particular, it is due to the above reasons caused by the 304 stainless steel tube magnetic, and other materials of stainless steel tube, such as 430, carbon steel is not the same level of magnetic, that is, 304 steel magnetic always shows the weak magnetic The The same time as
1m*1m FRP/GRP Panel for SMC water tank
That is, if the stainless steel tube with weak magnetic or completely without magnetic, should be judged as 3-4 or 316 material; if the magnetic properties of carbon steel, showing strong magnetic, because it is not determined to 304 material.
As the stainless steel tank can not distinguish the naked eye, so the best way is to identify the professional identification agencies!
For more information, please visit our website: www.grp-watertank.com, or contact us with E-mail, our E-mail address is rask@coolingtowerfiller.com, you can also chat us straightly on whatsapp: 008618330029204, you can also call our boss straightly: 008615930159213

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