Cross (cross) 10 st.12H18N10T GOST 13968

1. Material data Name of parts and assembly units - forging Material brand - 12H18N10T GOST 5632 Nominal outer diameter and pipe wall thickness. mm - 40 The designation of the standard or technical specifications - ST TsKBA 010-04 gr. IV, GOST 5632-72, TU 14-1-1530-75 2. Chemical properties The name of the material - 12Х18Н10Т 1404-520 C - 0.041 Si - 0.39 Mn - 0.95 Cr - 17,21 Ni - 9.07 Cu - 0,26 S - 0,002 P - 0.035 Ti - 0,22 W - 0.069 V - 0.05 3. Mechanical properties Strength MPa (kgf / mm2) - 530 The yield strength of MPa (kgf / mm2) - 205 Elongation% - 40 Relative constriction% - 73 Hardness HB - Impact strength KCU, J / cm2 (kgf · m / cm2) +20 degrees C - -196 degrees C - 262/280 4. Heat treatment data Brand based material - 08H18N10T Type of heat treatment * - hardening Heat treatment temperature. 0С * - 1050-1100 degrees. С Duration of exposure, h * - According to technology Cooling method * - air The number of heat treatments and the total duration of exposure ** - According to technology 5. Results of hydraulic (pneumatic) tests Based on the satisfactory results of the ultrasound control of the hydraulic test was not conducted. No defects detected 6. Other test results 6.1. Determination of metal contamination by non-metallic inclusions - according to GOST 1778, the method W (variants Ш1, Ш3) is satisfactory 6.2. The control for susceptibility to intergranular corrosion according to GOST 6032-2003 (determination of propensity against ICC using the AMU-8h method) is not detected (not inclined). 6.3. Ultrasonic flaw detection according to ST TsKBA 010-2004, GOST 24507 after final heat treatment - there are no defects. 6.4. Color flaw detection - according to GOST 18442, sensitivity class III-satisfactory. 6.5. The control of the macrostructure of the source material is satisfactory (No. 237081 is not defective). 6.6. Spectral analysis of finished parts to determine the main alloying elements is satisfactory. 7. Manufacturer's Warranty 7.1. The manufacturer guarantees that the product complies with the requirements of the Technical Regulations of the Customs Union TR TS 032/2013 “On safety of equipment operating under excessive pressure” (TS N RU-RU.AV24.V.05256 RU Series No. 0528728, 0349254 from 03.10.2017, TS N RU D-RU.AV24.V.01800 of 10/13/2015, TS N RU D-RU.AV24.V.01788 of 10/01/2015), GOST 13968 when the consumer observes operation, transportation and storage. The warranty period is set at 20 months from the date of commissioning, but not more than 24 months from the date of shipment from the manufacturer.