NT® Strip-powder combinations for wear-resistant weld surfacing
| Brand NT® | Strip alloy type AWS |
Material no. | Powder | Standard analysis % 1) | Hardness of the cladding HRC on steel with | Application | ||||||
| C | Cr | Mo | W | Sonst. | C = 0,16% | C = 0,45% | ||||||
| S 1 - BS | EL12 | 1.0320 | NT® Flux 800 | Strip 1st pass subsequent passes | s o. 0,28 0,28 |
1,5 1,5 |
- - |
- - - |
- - - |
- 25-30 30-35 |
- 30-35 30-35 |
Weld surfacing of turbine rotors, roller-table rolls, etc. |
| CMW - BS | H 12 | 1.2606 | NT® Flux 4 CR1 | Strip 1st pass subsequent passes | 0,27 0,23 0,23 |
6,6 4,5 6,0 |
1,6 1,3 1,5 |
1,7 1,3 1,5 |
- - - |
- 45-52 46-54 |
- - - |
Weld surfacing of blast furnace cone stoppers and track rollers |
| 410 - BS | 410 | 1.4000 | NT® Flux 4 NiMo | Strip 1st pass subsequent passes | 0,06 0,05 0,03 |
12,5 10,0 12,3 |
- 0,4 0,5 |
- - - |
- Ni 2,5 Ni 3,5 |
- 36-42 36-42 |
- - - |
Weld surfacing of continuous casting rollers |
| A 50 - BS | 420 | 1.4034 | NT® Flux 4 CR1 | Strip 1st pass subsequent passes | 0,43 0,35 0,35 |
13,5 13,5 14,0 |
- - - |
- - - |
- - - |
- 52-61 52-61 |
- 52-61 52-61 |
Weld-resistant claddings |
| 430 - BS | 430 | 1.4016 | NT® Flux 4 CR1 | Strip 1st pass subsequent passes | 0,08 0,06 0,05 |
16,5 12,5 14,5 |
- - - |
- - - |
- - - |
- 35-48 20-30 |
- 43-51 2) 23-33 |
Hard facing of tube bottoms with 13%-Cr-steel (AISI 410), Sealing surface cladding on valves |
| 4115 - BS | 434 | 1.4115 | NT® Flux 41 BF45 | Strip 1st pass subsequent passes | 0,22 0,20 0,20 |
17,5 13,5 14,0 |
1,1 0,8 1,0 |
- - - |
- - - |
- 49-57 42-50 |
- 49-57 42-50 |
Sealing surface cladding on valves and fittings. |
1) The values from the standard analysis on the weld metal from the first pass are referred to the cladding of a planar plate of unalloyed steel with 0.2 %°C.
2) Hardness after tempering for 1 h at 650 °C: 230-280 HB.
Forms as delivered: Standard dimensions 60 x 0.5 mm; other strip widths available on request.
Coil dimensions of welding strip: inner diameter of coil: 305 mm; coil weight: 25-50 kg