SS201 J4 Ss Tube Steel Seamless Pipe 1.1mm Astm A312 3 Inch Stainless Steel Pipe

201/ J5 J4 Round Pipe Welded Tube Haribrushed BA 2B Finish China Factory​

Uses of various types of steel:

(201/J1) J1 material in the market for the circulation of the most widely used material, half of the users will be used in stainless steel door stamping, stainless steel products welding, shallow tensile products, round, elbow, crushing edge and so on are no problem, but not all steel mills are divided into J series, such as the joint production area is not points, 201#LH on behalf of the ordinary 201, In fact, similar to J1 products, L1 represents high nickel high nickel, ordinary 201 is about 1 nickel, then L1 is 2-3 nickel, the difference is high nickel copper, rust resistance, and tensile performance is good, but the price difference is thousands of miles, than 201#J1 material is more than 2000 yuan a ton more expensive.