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Heat-resistant pipe X15CrNiSi25-20, aisi 314


Grade analogue W. Nr. Aisi Uns En Order
20Х25Н20С2 EI283 1.4841 314 X15CrNiSi25-20 Buy from stock, view availability
~20Х25Н20С2 EI283 ~1.4841 ~314 X15CrNiSi25-21 Buy from stock, view availability


Heat-resistant steel of grade X15CrNiSi25−20 relates to high-alloyed alloys on iron basis. It is smelted in induction furnace. It consists of chrome — 24−27%, nickel -18−21%, molybdenum and copper — 0.3%, manganese — 1.5%, carbon, vanadium, tungsten, titanium — 0,2%, silicon — 2−3%, additives of sulfur and phosphorus — hundredths of percent.

Percentage composition according to GOST 5632−72. Iron is a basis.

Fe C Si Mo V Cr Cu Mn Ni Ti W S P
Basis ≤ 0,2 2 — 3 ≤ 0,3 ≤ 0,2 24 — 27 ≤ 0,3 ≤ 1,5 18 — 21 ≤ 0,2 ≤ 0,2 0,020 0,035

Alloying increases workable properties of steel: heat resistance, capability to resist aggressive environments. Jumping up temperature of semi-fabricates constitutes 1170 °C at the beginning and 850 °C at the end. Termohardening is performed in air at a temperature of 1050−1150°C.


Heat-resistant pipe X15CrNiSi25−20, aisi 314 is resistant to corrosion in air and hot gas environments. Such a tube, alloyed with chrome, nickel, silicon, molybdenum, vanadium, tungsten, can withstand contact with aggressive environment for a long time because while heating alloying additives form protective oxide films that prevent corrosion. Heat-resistant steel X15CrNiSi25−20, aisi 314 is fairly malleable. This allows making the most complicated constructions out of it. This metal has an attractive appearance and does not require a painting.


It is used in a manufacture of travelling kiln grids, slot furnace rollers. They serve for fast firing of ceramic tiles, for flat household ceramics and other ceramic products. Heat-resistant X15CrNiSi25−20, aisi 314 pipe is utilized in parts of burner devices. It is also used in a manufacture of electric thermal transducer casings because it does not contaminate thermocouple electrodes and guarantees a reliable protection to thermocouple while working in conditions of aggressive environment. Such tube can withstand a temperature of 1000 °C under load for a long time. It also possesses high resistance to creep flow under load. It is used for furnaces of steam and gas turbines, jet engines, nuclear reactors, nuclear power units as a means of bearing material.


«Auremo» heat-resistant X15CrNiSi25−20 tube supplier offers to buy products by wholesale. A wide range of grades is presented in stock. The products comply with GOST and International Standards of quality. Heat-resistant X15CrNiSi25−20, aisi 314 tube is always in stock. We are waiting for your orders. Buy heat-resistant X15CrNiSi25−20 tube right now! Heat-resistant X15CrNiSi25−20 tube price is privileged for wholesale buyers.

Buy at a bargain price

«Auremo» heat-resistant X15CrNiSi25−20 tube supplier sells high-alloyed stainless alloys. We offer to buy heat-resistant X15CrNiSi25−20 tube directly from stocks of Ukraine and Russia. A delivery can be implemented in any region. Heat-resistant X15CrNiSi25−20 tube is always in stock. We offer the best heat-resistant X15CrNiSi25−20 tube price from supplier. Buy heat-resistant X15CrNiSi25−20 tube right now! All products are certificated. Our certificate contains information about manufacturing plant, alloy grade, mechanical properties, chemical composition, and results of additional test. If you make bulk purchases, you will be given special discounts.