Seamless thermoformed tubes made of corrosion-resistant stainless steel 20Х23Н18 according to GOST 9

Size Ø 83х8 mm, L = 7000 mm, quality 20Х23Н18 according to GOST 5632-2014 German standard / designation: 1.4845 CrNi25-20 X12CrNi25-21 X15CrNiSi25-20 X16CrNi25-20 X8CrNi25-21 X8CrNiSi25-21 Operating pressure - 0.9 MPa (9 kgf / cm2); - design pressure - 1,16 MPa (11,6 kgf / cm2); - test pressure during production (hydr-e) - 1,30 MPa (13 kgf / cm 2); - Operating temperature, input / output - 500ºC / 770ºC; - The estimated temperature of the wall is 1020 ºС; - working medium - nitrous gas; - Hazard class 3 - prescribed life of the pipe - according to GOST 5632-2014; - working environment - explosive, flammable; С Si Mn Ni Cr P S Ti Al to 0.2 to 1 to 2 22 - 25 17 - 20 - to 0.035 - - Brand of steel -20Х23Н18 Timing resistor - 500 МПА Relative stretch - 50% Density - 7540 kg / m3