12KH18N10T-1.4878 pipe, wire, circle
Austenitic steel, heat-resistant and corrosion-resistant. Doped 17−19% Cr, 9−11% Ni, 2% Mn. Applied energy engineering at t° ≤ 600 °C. for Example, heat exchanger valve fuel water-cooled reactors, turbine blades, parts of compressors and pumps. Welded reactors of this alloy to work in dilute solutions of acetic, nitric, phosphoric acids, salt and alkaline solutions. Details working under load, can withstand temperatures from -196°C to +600°C and in aggressive media up to +350°C. Substitutes — brand 08KH22N6T, 08KH17T, 08KH18G8N2T, 10KH14G14N4T, 12H17G9AN4, 15KH25T, 12X18H9T.
Rolled steel 12X18H10T, including the fittings is produced according to the following Standards: 5949−75; 2590−88; 2879−88; 2591−88. Thick sheet — 7350−77. A thin sheet — 5582−75. Tape — 4986−79. Band — 4405−75 and State standard 103−76. Forgings and forged billets — 1133−71 and 25 054−81. Pipe — 9940−81 and 9941−81. Wire — 18 143−72. Ground rod and silver — 955−77 14 and 18 907−73. Calibrated rod — 7417−75; 8559−75 and 8560−78.
The percentage 12X18H10T (GOST 5632−72)
Hot deformation occurs in the temperature range from 1200 °C to 850 °C. the Semi-finished products of thickness up to 350 mm cooled in air. Weldability — without restrictions. Welding methods: SMAW (electrodes CT-26), ESW and the CCC. Desired final heat treatment. Machinability — Kv TV. SPL =0.85 and Kv b. St = 0.35 in the quenched state in HB 169 and σin = 610 MPa. Corrosion properties similar to steel 12X18H9T
|Sidewise||Temperature°C||Group resistance or score|
For heat resistance close to steel 12X18H9T
|GOST||Assortment||Thickness, mm||σ0.2 MPa||σin MPa||δ5,%||ψ,%|
|5949−75||The rod is tempered at a temperature of 1020 °C with cooling air, oil or water.||60||196||540||40||55|
|18 907−73||Polished rod treated to a given strength Rod full hard||≤5||_ -||590−830 930||20 —||_ -|
|7350−77 5582−75||The sheet hot rolled and cold rolled; quenched from 1000−1080 °C in water or air quenched from 1050−1080°C in water or air full hard||More 4 ≤3,9||216 205 —||530 530 880−1080||38 40 10||_ — -|
|25 054−81||Forged hardened at t° up to 1100 °C with cooling by air or water.||≤ 1000||196||510||35||40|
|18 143−72||Wire: heat-treated||1−6||-||540−880||20||-|
|9940−81||Seamless pipe gorazadevac-mirovina without heat treatment||3,5−32||-||529||40||-|
Mechanical properties are dependent on t° heat
|tCOI°C||σ0.2 MPa||σin MPa||ψ,%||δ5,%||KCU j/cm2|
Note. Quenched from 1050−1100 °C in air.
σin the Limit of short-term strength, [MPa]
δ5, the elongation at break, [ % ]
ψ is the Relative narrowing [ % ]
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OOO «Electrocentury-steel» implements a wide range of stainless steel. Our offices are located in Russia and Ukraine. You can make a purchase without leaving the office, through the Internet website of the Company. Processing complete each stage of production allows to fulfill individual orders, if the underlying performance of products you are not satisfied. We provide high quality custom orders for non-standard settings, deadlines minimum. When wholesale purchases discounts are available.