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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 downside to consider when buying. Is the high cost of such pipes.
|Common grades of stainless seamless pipe|
|Category alloy||high-temperature corrosion-resistant||high alloy high-temperature||ordinary corrosion-resistant||corrosion-resistant austenitic|
|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||≤0.7||≤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|
|UD. weight of steel in g/cm3]||7,9||7,95||7,9||7,96|
|Weldability||without restrictions.||without restrictions||limited weldable|
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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.