Stick electrodes MTC MT-RR B 7
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Stick Electrodes MTC MT-RR B 7
Thick rutile-basic coated stick electrode especially suitable for welding pipe root passes. Weld metal for operating temperatures from -20°C to +450°C.
| EN ISO 2560-A | E 38 2 RB 12 |
| AWS/ASME SFA-5.1 | E 60 13 |
Important base materials for stick electrodes MT-RR B 7:
S 185, S 235JRG2, S235S, 235J2G3, P265S, P235TR1, P235TR2, 265TR1, P265TR2, L210GA, P235GH, 195GH, L245MB, C21, L245NB, L245GA, P275N
P245GH, GS 38, P265GH, C22.3, GS45, P215NL, P255QL, P265NL, P250GH, C22.8, S275JR, P275SL S275J2G3, S275NL, GP240GH
Mechanical properties of the weld metal (typical values)
Heat treatment of unwelded weld metal Test temperature [°C] +20°C 0°C -20°C (typical values) 0.2% yield strength Rp0.2 MPa >380 Tensile strength Rm MPa 470-600 Elongation at break A5 [%] >20 Impact energy AV [J] >47
Special notes:
Preferably for root welding. Easy slag removal. Good welding behavior in vertical-up welds, no tendency to stick. For cover passes we recommend MT- RR 6.
Approval of MT-RR B 7:
TÜV, DB, CE
Welding positions according to DIN EN ISO 6947:
PA, PB, PC, PD, PE, PF
Current type/polarity
= -/ ~
Technical Data
Technical Data
Product details
Product details
Choose welding technology based on material, process, performance, and location. For questions regarding accessories, wear parts, or alternatives, we are happy to help.
Notes & Application
Notes & Application
Before use, observe the operating instructions, protective measures, and manufacturer's specifications. Use suitable consumables and regularly check wear parts.
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