Description
Square 400, Article 12X18N10T, TU 24.20.40-004-91184922-2017.
1. Material data
Name of parts and assembly units - Procurement / forging
Material brand - 12H18N10T GOST 5632
Nominal outer diameter and pipe wall thickness. mm - 850x700x2500
The designation of the standard or technical specifications - ST TsKBA 010-04 gr. IV, GOST 5632-72
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) - 510
The yield strength of MPa (kgf / mm2) - 196
Elongation% - 40
Relative narrowing% - 55
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 - 12X18H10T
Type of heat treatment * - hardening
Heat treatment temperature. 0С * - 105-110 degrees. С
Cooling method * - air
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
1. Determination of metal contamination by non-metallic inclusions - according to GOST 1778, method W (variants Ш1, Ш3) - satisfactory
2. Control of the propensity for intergranular corrosion according to GOST 6032-2003 (determination of propensity against ICC using the AMU method for 8 hours) is not detected (not inclined).
3. Ultrasonic flaw detection according to ST TsKBA 010-2004, GOST 24507 after final heat treatment - there are no defects.
4. Color flaw detection - according to GOST 18442, sensitivity class III-satisfactory.
5. Control of the macrostructure of the source material is satisfactory (No. 237081 is not defective).
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 D-RU.AV24.V.01800 of October 13, 2015, TS N RU D-RU .АВ24. В.01788 dated 10/01/2015) if 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.





