Stainless 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, the most typical grade of stainless-steel with 18% chromium, is immune to approximately 870 °C (1,600 °F). Other gases, similar to sulfur dioxide, hydrogen sulfide, carbon monoxide, chlorine, additionally assault chrome steel. Resistance to other gases relies on the type of gas, the temperature, and the alloying content of the chrome steel. SAE 440 and SAE 420 stainless steels, known also by the name “Cutlery Stainless Steel”, are high carbon steels alloyed with chromium. They have very good corrosion resistance compared to different cutlery steels, but their corrosion resistance is inferior to 316 stainless.

Surgical slicing devices are sometimes created from 440 or 420 stainless as a result of its excessive hardness coupled with acceptable corrosion resistance. This type of chrome steel may be slightly magnetic.

Precipitation Hardening Stainless Steels

The magnet test is NOT a correct approach to verify chrome steel. Stainless metal is graded by the components and percentages. The nickel content material determines the grade of stainless.

• The magnet check is NOT a correct approach to confirm chrome steel.
• After a 500 ton press squeezes the nickel it adjustments the distribution of the nickel.
• The nickel content material determines the grade of stainless.
• Stainless steel is graded by the ingredients and percentages.

Brand��Chanson,TISCO,BAOSTEEL,POSCO,JISCO,LISCO

Our stainless production range

Unlike carbon steel, stainless steels do not endure uniform corrosion when uncovered to moist environments. Unprotected carbon steel rusts readily when uncovered to a mix of air and moisture. The resulting iron oxide floor layer is porous and fragile. In addition, as iron oxide occupies a bigger quantity than the unique metal, this layer expands and tends to flake and fall away, exposing the underlying metal to additional assault.

Stainless steels have a long historical past of software in touch with water because of their wonderful corrosion resistance. Applications embrace a range of circumstances together with plumbing, potable water and wastewater treatment, desalination, and brine remedy. Types 304 and 316 stainless steels are standard materials of development in contact with water. However, with increasing chloride contents, greater alloyed stainless steels such as Type 2205 and tremendous austenitic and super duplex stainless steels are used. The minimal 10.5% chromium in stainless steels offers resistance to roughly 700 °C (1,300 °F), whereas sixteen% chromium offers resistance up to roughly 1,200 °C (2,200 °F).

In the early 1800s, James Stodart, Michael Faraday, and Robert Mallet observed the resistance of chromium-iron alloys (“chromium steels”) to oxidizing brokers. Robert Bunsen found chromium’s resistance to sturdy acids. The corrosion resistance of iron-chromium alloys might have been first acknowledged in 1821 by Pierre Berthier, who noted their resistance against attack by some acids and suggested their use in cutlery. An improve of chromium content material improves the corrosion resistance of chrome steel.

The chromium content should be 18% or more to be 304 stainless. After a 500 ton press squeezes the nickel it adjustments the distribution of the nickel. The same is true the place the die cuts the stainless growing the likelihood that rust will finally happen there. All stainless steel is magnetic except austenitic stainless-steel which is actually 300 series stainless such as 304 and 316. However, 300 series stainless is non-magnetic only after it’s freshly shaped.

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