Difference Between Hot And Cold Rolled Steel

We have thousands tons stock of stainless steel sheet and coil with various size and grade,mainly include austenitic stainless steel, martens stainless steel (including precipitation hardened stainless steel sheet & coil), ferritic stainless steel, and duplex stainless steel.

Characteristics of Stainless Steel Sheet and Plate:
High corrosion resistance
High strength
High toughness and impact resistance
Temperature resistance
High workability, including machining, stamping, fabricating and welding
Smooth surface finish that can be easily clean

Our stainless production range

astm 410 chrome steel

We produce ASTM/ASME Grade 304, Grade 304L,304h, 316, 316L, 316H, 316TI, 321, 321H, 309S, 309H, 310S, 310H, 410S, 2205, 904L, 2507, 254, gh3030, 625, 253MA, S30815, 317L, Type 317, 316lN, 8020, 800, 800H, C276, S32304 and others special requirement stainless steel grade.

Type 304 alloys are all modifications of the 18% chromium, 8% nickel austenitic alloy. Applications for this group of alloys are various and all possess somewhat comparable characteristics in resistance to oxidation, corrosion, and sturdiness. All present ease of fabrication and cleansing, prevention of product contamination and over a variety of finishes and appearances.

• It also performs nicely in metallic-to-metallic put on in nominally inert atmospheres.
• The elevated temperature put on resistance of Nitronic 60 is excellent despite its comparatively low hardness when compared with cobalt and nickel-base put on alloys.
• It resists put on, tearing or freeze up of each the first and contact materials over a variety of service temperatures.
• Due to its grain structure, the galling resistance of Nitronic 60 is superior to that of any other chrome steel.

Application:kitchware,door,decoration,elevator,water tank,etc

In addition, as iron oxide occupies a bigger volume than the unique steel, this layer expands and tends to flake and fall away, exposing the underlying steel to additional assault. This passive film prevents additional corrosion by blocking oxygen diffusion to the steel floor and thus prevents corrosion from spreading into the majority of the metal. This movie is self-repairing, even when scratched or briefly disturbed by an upset condition in the setting that exceeds the inherent corrosion resistance of that grade. Ferritic stainless steels possess a ferrite microstructure like carbon steel, which is a physique-centered cubic crystal construction, and include between 10.5% and 27% chromium with little or no or no nickel.

The subject of chloride induced corrosion of austenitic stainless steels could be very advanced and depends on many things corresponding to focus, temperature, pH, and so forth. Sanmac® 2205 is a 22% Cr duplex chrome steel with improved machinability as normal. As a duplex stainless-steel, it combines the desirable facet of properties of each austenitic and ferritic grades. The excessive chromium, molybdenum and nitrogen contents results in a Pitting Resistance Equivalent variety of 33-34, offering pitting and crevice corrosion resistance superior to Alloy 316L in nearly all corrosive media.

This microstructure is present at all temperatures because of the chromium addition, so they aren’t hardenable by heat treatment. They can’t be strengthened by cold work to the identical diploma as austenitic stainless steels. Type 304, with its chromium-nickel content material and low carbon, is the most versatile and widely used of the austenitic stainless steels.

Due to its grain construction, the galling resistance of Nitronic 60 is superior to that of any other stainless steel. It resists put on, tearing or freeze up of each the primary and contact supplies over a variety of service temperatures. The elevated temperature put on resistance of Nitronic 60 is great regardless of its comparatively low hardness in comparison with cobalt and nickel-base wear alloys. It also performs properly in metal-to-steel wear in nominally inert atmospheres.

The alloy has higher uniform corrosion resistance than sort 304 in most media. The chloride pitting resistance is superior to kind 316, with room temperature yield energy practically twice that of 304 and 316.

astm a312 304

The usually really helpful most chloride level for 304 chrome steel is only 200 ppm . The low free chlorine levels of typical potable water systems is not going to have an effect on austenitic stainless steels. However, free chlorine concentrations of as little as 25 ppm can have a detrimental effect on them.