309L
High mechanical properties and very good weldability due to a increased silicon content, suitable for operating temperatures up to 300°C. Flux FL 838 of fused flux FL 880
Not required
Buffer layers before hard facing, dissimilar joints between ferritic and austenitic steels and or difficult to weld steels.
Buffer layers before hard facing, dissimilar joints between ferritic and austenitic steels and or difficult to weld steels.
High mechanical properties and very good weldability due to a increased silicon content, suitable for operating temperatures up to 300°C. Flux FL 838 of fused flux FL 880
ISO 15608: 8.1 Austenitic ≤ 19 % Cr , TÜV 1000: Gr. 21-30, 23% Cr, 12%Ni Type
1.2780, 1.4541, 1.4550, 1.4710, 1.4712, 1.4713, 1.4724, 1.4729, 1.4740, 1.4741, 1.4742, 1.4746, 1.4762, 1.4745, 1.4825, 1.4826, 1.4828, 1.4832, 1.4878,
X15CrNiSi20 12, G-X 40 CrNiSi20 9,
AISI 446, AISI442, AISI309,
UNS S30900, S44200, S44600
| Heat Treatment |
RP0,2 (MPa) |
Rm (MPa) |
A5 (%) |
Impact Energy (J) ISO-V | Hardness |
|---|---|---|---|---|---|
| RT | |||||
| As Welded | 370 | 570 | 33 | 100 | HRc |