201 stainless steel grade J1 J2 J3 J4 J5
201 stainless steel have J1 J2 J3 J4 J5 grades.
The main reason is that their chemical composition is different. Moreover, the key is the content of carbon, chromium, and copper.
Meanwhile, there is no big difference between the composition of nickel and chromium in the J series.
However, the difference between their carbon content and copper content is the most obvious:
Copper: J4 > J1 > J3> J2>J5
Carbon: J5 > J2 >J3> J1>J4
Hardness: J5, J2 > J3>J1>J4
The order of prices from high to low is:J4>J1>J3>J2>J5.
J4:
It is the higher-end of the J series, suitable for deep drawing products with small Angle type, deep drawing and salt spray test products will mostly choose it.For example, sink, kitchenware, bathroom products, kettle, vacuum cup, door hinge, pot, etc.
J1:
The carbon is slightly higher than J4 and the copper is lower than J4. The processing performance is not as good as J4, suitable for light drawing, deep drawing products of large Angle type, such as decorative board, bathroom products, sink, product pipes, etc.
J3:
Suitable for decorative pipes.Simple processing in decorative board can be ok, add a little more difficult is not good.Feedback indicates that the shear plate is bent, and there is an inner seam after it is broken (do a good job of black titanium, color plate series, sand plate, it is broken, and there is an inner seam after it is broken).The sink material has tried bending, 90° is OK, but it will not ok if it continues.
J2, J5:
About decorative pipe: simple decorative pipe is still good, because the hardness is high (above 96°) polished more beautiful, but square pipe or in the bend (90°) is prone to burst.
About plate: due to high hardness, the surface is more beautiful, surface treatment such as grinding, polishing, plating color is OK.But the biggest problem is the bending problem, bending is easy to break, gouging groove easy to burst.The ductility is not good. Please write a website post about the difference of 201 stainless steel grade J1 J2 J3 J4 J5
