For manufacturing apparatus, tanks, pipelines; applicable within temperature limits of up to 600°C and pressure ratings of PN = 10, 16, 25, 40, 63, 100, 160 kgf/cm². Construction, weight, and dimensions according to GOST 12821-80, GOST 12820-80. Material options: steel 20, 10G2, 16GS, 09G2S, 15Kh5M, 12Kh18N10T, 08Kh18N10T, HN32T.
