Circle, pipe, wire 08H17Т (Aisi430Ti), 08H17, TP430
|Grade||analogue||W. Nr.||Aisi Uns||En||Order|
|08Х17Т||~~ EI645||1.4510||430Ti||X6CrTi17||Buy from stock, view availability|
Alloy stainless steel 08KH17T (PT 645) is designed for the manufacture of products that operate in oxidizing environments of chemical synthesis. The alloy is also used where there is a risk of pitting corrosion, in atmospheric moisture, sea water and also in the manufacture of heat exchangers and welded structures, not exposed to shock loads and is operated at a temperature not below -20°C, production equipment, soap-making, brewing, food industry and light industry. It is used as a cladding layer in the production of two-layer hot rolled stainless steel sheets.
Norms of production for steel 08KH17T.
«The technical conditions. With special. finish is round, the surface quality of steel.» According to GOST 14955−77
«Assortment. Rolled steel round bars hot rolled.» According to GOST 2590−2006
«Assortment. Rolled steel square bars hot rolled.» According to GOST 2591−2006
«The technical conditions. High precision shaped steel profiles.» 14−11−245−88
«The grade. Round, square steel forged «. According to GOST 1133−71
«Assortment. Forged, hot-rolled strips of tool steel.» According to GOST 4405−75
«Assortment. Calibrated round steel.» According to GOST 7417−75
«Assortment. Calibrated square steel.» According to GOST 8559−75
«Assortment. Steel mill products hot-rolled strip.». According to GOST 103−2006
«Tekhnich. conditions. Grooved, steel bars, corrosion resistant, heat resistant, heat resistant. «According to GOST 5949−75
» Assortment. Hexagonal bars are grooved.» According to GOST 8560−78
«Forged steel square and round.» According to GOST 1133−71
«Brand. Heat-resistant, heat-resistant steel, corrosion-resistant, high-alloy». According to GOST 5632−72
«Assortment. Hot rolled bars, steel hex. «According to GOST 2879−2006
-Air temperature intensive scaling is +900 °C.
— ferritic corrosion resistant alloy, heat-resistant to temperatures of +850 °C.
Steel grade 08KH17T used as a substitute for such steel grades as: 12CR18NI10TI 12X18H9T, with the same goals as mark steel 12X17, including for welded structures.
Percentage composition of steel 08KH17T (GOST 5632−72)
Strength 08KH17T depending on the temperature
|t°test °C||d5,%||Heat treatment||sB MPa||d||d10||y ,%|
The mechanical characteristics of the alloy 08KH17T (20°C)
|Condition of supply||Section||tисп.,°C||tотпуск,°C||St|S0,2, MPa||sB MPa||d5,%||d4||d||d10||y ,%||KCU, kJ/m2||HB||HRC||HRB||HV||HSh|
|Billet parts for pipe fittings on the basis of ST CKBA 016−2005. Cooling air, t° 770−780 °C annealing, cooling air, t°780 °C||≤60||≥245||≥392||≥20||≥50||≥294||126−197|
|Billet parts for pipe fittings on the basis of ST CKBA 016−2005. Cooling air, t°. 770−780°C annealing, cooling air, 780−810 °C annealing with the oven, (excerpt.20 h),||≤60||≥157||≥392||≥25||≥55||≥49||126−197|
|cold-rolled (0,7−3,9 mm) hot rolled size (1.5−3.9 mm) rolled sheet on the basis of GOST 5582−75. Vacation annealing t°. 750−780 °C||≥490||≥20|
|sheet hot-rolled steel (4.0 to 25.0 mm) cold-rolled (4,0−5,0 mm) on the basis of GOST 7350−77. Vacation annealing t°. 765−780 °C, cooling air, oven.||≥440||≥18|
|Forged, hot rolled black bars, on the basis of GOST 5949−75. Cooling water, air, t°765−785 °C annealing||Sample||≥245||≥390||≥20||≥50|
|hot-deformed seamless tubes in the delivery condition on the basis of GOST 9940−81||Sample||≤441||≥17|
|Vacation, annealing t°. 745−785 °C (section — thickness. wall). In the delivery condition of the pipe.||3,5−32,0||≤441||≥17|
|Any other additional information.|
|The level of mechanical properties for forged, hot rolled long products set by agreement with the consumer and the manufacturer on the basis of GOST 5949−75.|
The physical characteristics 08KH17T
|t° of test in °C||700||400||300||200||100||20||0|
|The modulus of elasticity is in the process of shear-torsion (G, GPA)|
|normal elasticity modulus (E, GPA)||206||206|
|Density (r, kg/m3)||7700||7700|
|The specific resistivity (R, Nom · m)||462||462|
|Thermal conductivity coefficient (l, W/(m · °C))||25||25|
|The specific heat capacity (j/(kg · °C))||462|
|Linear expansion coefficient (a, 10−61/°C)||12,1||11,9||11,9||11,6||11,4||11,2||10,8|
Technological properties of grade 08KH17T
|The tendency to temper brittleness||08KH17T has at the temperature.+475 °C inclination and long exposures to the fragility of the holiday.|
|Features of heat treatment||Products welded 08KH17T should be subjected to at 720−780 °C annealing for 2 hours, air cool. Details relating to the ferritic class should be subjected to heating up to. 760−780 °C, air cooling and aging for the calculation is 1 mm, the maximum thickness of alloy 30 min + 1 min to reach the maximum ductility, as well as to eliminate the tendency to MKK. the release of products carried out at 450−555°C is not acceptable — it will lead to fragility.»|
|Weldability||For automatic arc welding under flux ANF-14, an-26 used wire SV-05Х25Н12ТЮ and 08Х20Н9Г7Т. Limited-weldable steel. Mechanical satisfactory quality is produced during welding products, with negligible thickness up to 3 mm.|
|The temperature of forging||Air cooling in the section of not higher than 350 mm. the Beginning — 1220 °C — 900 °C.|
|Cross sample. Sheet 8 mm.||≥6||≥7||≥156|
|Able supply temperature||-40||-20||+20|
|The longitudinal sample. Sheet 8 mm.||≥6||≥9||≥177|
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