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General characteristics

Seamless steel pipes are in demand in all industries, especially in defence. It is from this type of semi-manufactured gun barrels. Steel pipes produced by forging, rolling, drawing or extrusion have no welds along its entire length. The presence of the seam does not exclude the possibility of leaks, no matter how high-quality would not be welding work, but this is unacceptable if the tubes intended for the circulation of aggressive chemical liquids.

Stainless steel thick-walled and thin-walled tubes are equally popular in the industry. The difference is with and metal structures. For example, the use of thin-walled tubes ensures ease of construction, so it is widely used in architecture and in design. Besides advantages, these pipes have perhaps the only disadvantage to consider when buying. Is the high cost of such pipes.


Various grades of stainless steel pipes are used in different industries in different ways: Seamless steel pipe 12X18H10T is the most popular. It has the reliability, durability, aesthetics and versatility, and has excellent protective and anticorrosive properties.

Percentage composition GOST 5632−72.

Alloy C Ti Cu Ni Cr Mn P S Si Fe
12X18H9T ≤0,12 ≤0,8 ≤0.3 mm 8−9,5 17−19 ≤0,2 ≤0,035 ≤0,02 ≤0,8 basis

The use of seamless steel pipes 12X18H10T guarantees the absence of leaks of chemicals and hazardous liquids and water in industrial facilities and consumer communications. In the composition of the alloy consists of 12KH18N10T chromium, titanium and Nickel. The very same product is available in two types: seamless and welded. Because of its durability, aesthetics, durability and resistance to environmental influences scope of application of such pipes is extensive. Having long term of operation, tubes of this grade of steel has found its place in the petrochemical and chemical industry, metallurgy and shipbuilding.


06HN28MDT most demanded in chemical equipment, working in an acid environment. For example, in sulfuric acid and in petrochemical production and columns synthesis.


Such a tube is characterized by durability, resistance to any aggressive environments, abrasion, heat and corrosion resistance. For the manufacture of these pipes is used of the austenitic steel, alloy chromium, titanium, Nickel and molybdenum. Stainless steel pipe of this brand have easy weldability require preheating and heat treatment of the weld. Has found its application in chemical and food industry, are indispensable in medicine, petrochemical, metallurgy, shipbuilding. Retain their quality for a long time, requires expensive repairs, can withstand temperatures up to 600 degrees Celsius.


It is a high alloy austenitic steel pipes, which have a special resistance and heat resistance (up to 1100 degrees C). This kind of semi-finished products used in the manufacture of parts for boilers, combustors, steam generators and heat exchangers fragments of rebar.


High anti-corrosion properties allowed the pipes of this brand find use in most industries, particularly in food, chemical and transport. Stainless steel 20H23N18 IN does not change the chemical composition of flowing water and streams in other environments. The resistance to weathering and aesthetic appeal is allowed to use this brand in construction and architecture.

Common grades of stainless seamless pipe

GOST 12KH18N10T 10X17H13M2T 20H23N18 06HN28MDT
UNS 321 316Ti 310S 904L
Classification of alloy corrosion-resistant high-temperature Steel high alloy high-temperature Steel corrosion-resistant ordinary corrosion-resistant
Chemical composition, %
Fe basis   basis 37 — 46.5
C ≤ 0.08 ≤ 0.1 ≤ 0.2 ≤ 0.06
Si ≤ 0.8 0.8 ≤ 1 ≤ 0.8
Mn ≤ 2 2 ≤ 2 ≤ 0.8
Ni 9 — 11 12−14 17−20 26 — 29
Cr 17 — 19 16−18 22−25 22 — 25
Ti (5* 0.7) (5* 0.7) - 0.5 — 0.9
Cu ≤ 0.3 ≤ 0.3 - 2.5 — 3.5
More - Mo = 2 — 3 - Mo = 2.5 — 3
Physical properties at 20 ° C
Hardness [MPa] HB 10−1 179     200
Material density, [kg/m3] 7900 7950 7900 7960
Weldability without restrictions. Without restrictions limited weldable


Our website offers a wide range of stainless steel. High quality of products and lack of intermediaries determine the most favorable conditions for purchase of pipes from stainless steel alloys for every application. Delivery in the shortest possible time in any region of the country and abroad, compliance with regulatory documentation already gained the trust of regular customers. Thanks to an acceptable cost and wide model range, stainless steel pipe enjoyed continued popularity in all spheres of production.