GOST 33259 12X18H10T Flanges Manufacturer
GOST 33259-2015. Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements.
Stainless steel 12X18H10T or 12Kh18N10T is a corrosion-resistant chromium-nickel steel that combines high performance characteristics, affordability, and ease of processing.12X18H10T known as equivalent grade as AISI 321 under ASTM material ,It is a titanium stabilized chromium nickel austenitic stainless steel with corrosion resistance similar to 304/304L.
12X18H10T (AISI 321) is a titanium-stabilized austenitic stainless steel renowned for its resistance to intergranular corrosion after exposure to temperatures in the 400–850 °C range.
| Grade : | 12KH18N10T ( 12X18H10T ) ( Х18Н10Т ) |
| Substitute: | 08Х18Г8Н2Т, 10Х14Г14Н4Т, 12Х17Г9АН4, 08Х22Н6Т, 08Х17Т, 15Х25Т, 12Х18Н9Т |
| Classification : | Сryogenic structural steel |
| Equivalent grades: | SS321,AISI 321 |
12KH18N10T ( 12Х18Н10Т ) Chemical composition Gost 5632
| C | Si | Mn | Ni | S | P | Cr | Cu | – |
| max 0.12 | max 0.8 | max 2 | 9 – 11 | max 0.02 | max 0.035 | 17 – 19 | max 0.3 | (5 С – 0.8) Ti, остальное Fe |
Equivalent grade of 12Х18Н10Т
| EU EN | USA – | Japan JIS | France AFNOR | England BS | Italy UNI | Sweden SS | Russia GOST | Inter ISO |
| X8CrNiTi18-10 (1.4878) | 321HS32109 | SUS321H | Z6CNT18-10 | 321S12321S51 | X8CrNiTi18-11 | 2337 | 12KH18N10T | X7CrNiTi18-10 |
GOST 33259 12Х18Н10Т Flanges specification
Flange type:
- Plate/Flat-Face (Type 01)
- Weld-Neck & Butt-Weld (Type 11)
- Blind, Spectacle-Blind, Spade & Spacer
- PN 6–250 classes;
- Size:DN 10–2000
Benefit of our GOST 33259 12Х18Н10Т Flanges
High-Temperature Stability :Resists intergranular corrosion in 400–850 °C service.
Excellent Corrosion Resistance:Outstanding in oxidizing and mildly reducing environments.
Weldability:Titanium locks up carbon, minimizing sensitization and preserving toughness.
