Opis
OK 67.70 is a stainless steel electrode with increased alloying components, intended for executing buffering layers when welding plated acid-resistant steels and stainless steels with other steel types. OK 67.70 electrode has excellent welding properties for both AC and DC welding. It can be used in all positions except vertical downwards. Welded material GX10CrNiMoNb18-12, S235-S355 and other. Covering: acidic-rutile
Chemical composition [%] | Mechanical properties | Welding positions | Welding current | Authorizations | Dimensions [ø mm] | |||||
---|---|---|---|---|---|---|---|---|---|---|
C < 0,03 Si = 0,80 Mn = 0,80 Cr = 23,00 Ni = 13,00 Mo = 2,70 Cu < 0,30 |
Re [MPa] = 510 Rm [MPa] = 610 A5 = 32% KV[J] = 45 (-80°C) |
= ± | ~ | DNV, DB | 2,0 | 2,5 | 3,2 | ||||
4,0 | 5,0 | 6,0 |