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  X12Cr MoS17 DIN     X12Cr Ni17 7 DIN    X12Cr Ni188 DIN    X12CrS13 DIN      X15 ASTM     X20Cr13 DIN    X20Cr Ni17-2 DIN    X30Cr13 DIN     X65Cr Mo14 DIN    X90Cr MoV18 DIN
  X105Cr Mo17 DIN     XM7 ASTM    XM7 CNS     XM15J1 CNS      XM27 ASTM     XM27 CNS     Y1Cr13 GB    Y1Cr17 GB    Y1Cr18 Ni9Se GB   Y3Cr13 GB

 00Cr12 GB     00Cr17Ni 13Mo2N     00Cr17Ni 14Mo2   00Cr18  Ni10N    00Cr18Ni 14Mo2Cu2    00Cr19 Ni10-GB    00Cr19Ni 13Mo3   00Cr26Ni 5CrMo2   00Cr27Mo GB   00Cr30 Mo2 GB
 0Cr13-GB        0Cr17Ni 4Cu4Nb GB    0Cr17 Ni7A1 GB      0Cr17Ni-12Mo2N-GB    0Cr18Ni-9Cu3-GB      0Cr18Ni9 GB     0Cr18Ni-11Nb GB    0Cr18 Ni11Ti GB      0Cr18Ni12 Mo2Cu2-GB

Stainless steel is a type of alloy steel that resists corrosion due to its chromium content of 12% or more. In the presence of oxygen, chromium oxide is formed, which creates an inert film on the steel surface that protects the entire product from adverse effects. The modern market can offer different grades of stainless steel for use in a wide variety of industries.

Types of steel of the 300 series
In terms of its chemical composition, chrome-nickel stainless steel of this group is austenitic, austenitic-ferritic and austenitic-martensitic, depending on the percentage of carbon, nickel, chromium and titanium. It is the most versatile stainless steel, the properties of which provide it with a consistently high demand in the market.

AISI 304 (08Х18Н10)
Demanded in all branches of industry, this stainless steel, however, has gained fame "food". Its chemical composition and properties make it the most suitable for use in the food industry. It is easy to weld and exhibits high corrosion resistance in aggressive environments. It is also often chosen for the chemical, pharmaceutical, petroleum and textile industries.

AISI 316 (10Х17Н13М2)
316 stainless steel is obtained by adding molybdenum to 304 stainless steel, which further increases corrosion resistance and the ability to retain properties in aggressive acidic environments, as well as at high temperatures. This stainless steel is more expensive than 304 and is used in the chemical, oil and gas and shipbuilding industries.

AISI 316T (10Х17Н13М2Т)
This grade of stainless steel contains a small amount of titanium, which increases the strength of the material, making it resistant to high temperatures, as well as to chlorine ions. It is used in welded structures, for the manufacture of gas turbine blades, in the food and chemical industries. Affordable price and high technical characteristics make this stainless steel very popular.

AISI 321 (12-08Х18Н10Т)
Stainless steel, the characteristics of which are due to the high titanium content. Easily weldable, resistant to temperatures up to 800 o C. Widely in demand for the manufacture of seamless pipes, as well as pipe fittings - flanges, tees, bends and transitions.

Types of steel 400 series
This series has a narrower range than the 300. It includes stainless steel with a high chromium content - it contains almost no other alloying elements, which has a positive effect on its cost. The low carbon content makes these stainless steel ductile and weldable.

AISI 430 (12Х17)
It is stainless steel with a high percentage of chromium and a low percentage of carbon. This ratio contributes to high strength and ductility at the same time. AISI 430 bends well, welded, stamped. Retains its properties in corrosive and sulfur-containing environments, resistant to sudden changes in temperature. It is used in the oil and gas industry, as well as a decorative material for finishing buildings and premises.

Types of steel 200 series
So far, we can only talk about one steel grade in this series, but it is successfully catching up with its competitors in the 300 and 400 series.

AISI 201 
AISI 201 stainless steel is much cheaper than other series of stainless steel similar in properties. In it, expensive nickel is partially replaced by manganese and nitrogen. Beneficially balanced chemical composition makes the characteristics of AISI 201 stainless steel not inferior to AISI 304 and AISI 321. It has found its application in medical and food.

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