Description
1. Material data
Name of parts and assembly units - circle / forging
Material brand - 09G2S GOST 19281
Designation of a standard or technical conditions - GOST 2560, GOST 8479 gr. IV
Party number and swimming trunks * - 9768
Certificate number - 317/27072018
Manufacturer - MECHEL
2. Chemical properties
The name of the material - 09G2S GOST 19281
C - 0.09
Si - 0,58
Mn - 1.39
Cr - 0.14
Ni - 0.13
Cu - 0,22
S - 0.020
P - 0.013
Al - 0.022
V - 0,001
Ti - 0.032
3. Mechanical properties
Strength MPa (kgf / mm2) - 445
The yield strength of MPa (kgf / mm2) - 310
Relative elongation% - 36
Relative narrowing% -
Hardness НВ - 145
Impact strength KCU (j / cm2)
20 degrees C -
-60 degrees C - 124
4. Heat treatment data
Drawing designation - GOST 22792-83
Brand based material - 09G2S GOST 19281
Type of heat treatment * - tempering with tempering
Heat treatment temperature. C * - 930 degrees C / 660 degrees C
Duration of exposure, h * - According to technology
Cooling method * - oil
The number of heat treatments and the total duration of exposure ** - According to technology
Designation and date of the heat treatment document - №317 dated 07.27.2018
5. Results of hydraulic (pneumatic) tests
On the basis of the satisfactory results of the ultrasound control and clause 4.45.2 of GOST 55599-2013, the hydraulic test was not carried out. 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. Ultrasonic flaw detection according to GOST 24507 after final heat treatment - no defects.
6.3. Color flaw detection - according to GOST 18442, sensitivity class III-satisfactory.
6.4. The control of the macrostructure of the source material is satisfactory (No. 237081 is not defective).
6.5. 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 22792-83, GOST 55599-2013, subject to the consumer’s 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.





