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.

This martensite transformation causes the 300-sequence to be magnetic when cold shaped. Another popular high-performing alloy, grade 304 stainless steel is a sturdy material in terms of tensile energy, durability, corrosion, and oxidation resistance. The melting point of stainless steel 304 is reached at temperatures ranging between 2,550 °F – 2,650 °F (1399 °C – 1454 °C). However, the closer grade 304 stainless-steel reaches its melting level, the extra tensile energy it loses. Although ASTM grade CF8M and AISI 316 are both austenitic stainless steels, AISI 316 is nonmagnetic because it’s primarily austenite.

Heat Resistance

The identical grades uncovered to stronger bases similar to sodium hydroxide at high concentrations and excessive temperatures will probably expertise some etching and cracking. Increasing chromium and nickel contents present elevated resistance.

Austenitic steels comprise about 12–27 % chromium and 7–30 % nickel. They are non-magnetic, and cannot be hardened by heat treatment. They are usually delivered within the solution-annealed state, which has required speedy cooling from a temperature of about 1050–1100 °C.

• The minimal 10.5% chromium in stainless steels supplies resistance to approximately seven hundred °C (1,300 °F), whereas 16% chromium supplies resistance as much as roughly 1,200 °C (2,200 °F).
• Resistance to different gases relies on the kind of gasoline, the temperature, and the alloying content material of the stainless-steel.
• Other gases, corresponding to sulfur dioxide, hydrogen sulfide, carbon monoxide, chlorine, additionally attack chrome steel.
• Type 304, the most common grade of stainless steel with 18% chromium, is resistant to roughly 870 °C (1,600 °F).

Length: 2000mm, 2438mm,2500mm,3000mm,6000mm,or required

Our stainless production range

Materials which might be often vulnerable to SCC in chloride environments are austenitic stainless steels containing chromium and nickel and a variety of aluminum alloys. The susceptibility to SCC will increase with increasing temperature, and for numerous alloys/setting combos, a protected temperature may be indicated, beneath which the susceptibility to SCC is negligible. In the offshore industry, stainless steel tubes are blasted – cleaned with a fine non-metallic abrasive – after which an epoxy coating is applied. This is carried out to minimize the tendency of SCC, particularly on insulated stainless steels with an operating temperature of 60°C or higher.

Chromium carbides precipitate at the grain boundaries and deplete the adjoining matrix of the chromium content material wanted to keep up corrosion resistance. The steels turn out to be prone to intergranular corrosion, which in combination with tensile stresses can be thought-about a kind of SCC. Ferritic stainless steels possess a ferrite microstructure like carbon metal, which is a physique-centered cubic crystal structure, and include between 10.5% and 27% chromium with little or no or no nickel.

At elevated temperatures, all metals react with sizzling gases. The most common high-temperature gaseous mixture is air, of which oxygen is essentially the most reactive component. To keep away from corrosion in air, carbon steel is limited to roughly 480 °C (900 °F). Oxidation resistance in stainless steels increases with additions of chromium, silicon, and aluminium.

My guess is that the aspect panels of your stainless-steel kitchen appliances are probably made from cold-rolled 300 collection stainless-steel – probably sort 301 or 302. These alloys have very related chemical composition (18 Cr and 8 Ni) and corrosion resistance to type 304, which was mentioned above. These are all nominally austenitic alloys (nonmagnetic), however some of the austenite transforms to martensite (magnetic) when the fabric is deformed, as in chilly rolling.

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