Type | Diameter (Ø ) [mm] | Grades of steel | Norms of completion |
Finned* | 12, 14, 16, 18, 18,2, 20, 21,7 | 34GS, AP600, AP-700, AP770, 22G2AV, ATLAS-III, 18G2A | According to PN-82/H-93215, PN-84/H84027/08, ZN-95/AP1÷6 |
Smooth* | 10, 12, 14, 16, 18, 20, 22 | S235JR, S355J2, C-15, C-45, C-55, 40H, 41Cr4, St4S, 18G2A, 45, 55, ST44,2 |
According to PN-EN-10060 Grades of steel and conditions of delivery: - PN-EN10025-2;2007, - PN-EN-10083-1+A1, - PN-EN-10083-2+A1, - PN-EN-100155, - PN-EN-10089, - PN-74/H-84032 Quality class of surface according to PN-EN-10221;1998, PN-EN-10277-1 |
18,3, 20 | 34GS, AP600 | ||
24, 25, 26, 27, 28, 30, 32 | S235JR, S355J2, C-45, 40H/41Cr4, C-22, RPSt37,2, St44,2, 18G2A, C-35E, S355J0, 18G2A, 45, 55, 50S2, 50HS |
* not designated for construction purposes