FLANGES GOST 33259-15 Type 11
Type 11 (Butt Welding Steel Flange)
Standard: GOST 33259-15
Material: Carbon steel, Stainless steel.
Nominal Bore (DN): 10 - 4000 mm.
Nominal Pressure (PN): 1 - 250 MPa.
Temperature Range: -70°C - +300°C.
Working Medium: Gases, liquids, chemically aggressive media, high temperatures, and pressures.
Type 11 (Butt Welding Steel Flange) corresponds to the flange previously manufactured under GOST 12821-80. It is produced in the nominal diameter range of DN 10 to DN 4000 and nominal pressure range from PN 1 to PN 250.
Materials:
- Carbon Steel: Steel 20, 09G2S.
- Stainless Steel: 12X18H10T, 08X18H10T, 13XFA, 15X5M, 10X17H13M2T, 06XH28MDT.
- Other Steels: A105, A181, A182, A350, AISI 304, AISI 304L, AISI 316, AISI 316L, AISI 316Ti, AISI 321, etc.