About our products: China united iron and steel limited is a company specialized in mild steel plate, Stainless steel plates, Stainless welded pipe, and seamless stainless pipes. Our supply capacity per year is about 8,900,000 tons stainless plate/coil according to ASTM A240, ASME SA240, JIS, AISI, EN, AND Other special requirements from our customer.
Grade 904l Stainless State Plate Vs Grade 304l Stainless Steel Plate
It helps that they make all their components in-house, most other manufacturers need to get instances made by outside suppliers. These drawbacks stop different manufacturers (up to now) from benefiting from this higher quality metal, and remains as an exclusive Rolex perk. Heavily welded sections in Grade 304 for maximum corrosion resistance could require submit-weld annealing.
What Is 904l Stainless Steel?
- Grade 904L stainless steels supply good oxidation resistance.
- A grade 904L stainless steel is an austenitic stainless non-stabilized steel with very low carbon content.
- The alloy is chrome steel added with copper to improve its resistance against strong reducing acids just like the sulphuric acid.
- However, the structural stability of this grade collapses at high temperatures, particularly above 400°C.
As a outcome, 304L chrome steel is a sought after stainless-steel materials for use in extremely corrosive conditions. Weld annealing is important in applications the place stress hundreds are excessive.
Stainless Steel – Grade 904l (Uns N
Higher corrosion resistance is required, along with a better strength than 904L. 904L steel is costlier and far more difficult to machine due to it’s hardness. Rolex needed to replace most of their steel manufacturing line and tools to have the ability to handle the change.