MS B7
Rutile-basic electrode for root passes
Description & applications
Special rutile-basic coated electrode to weld in all positions. This electrode is especially designed for welding root passes. Good operability, easy striking, strong arc with low spatters, good penetration and easy slag removal. Supports high current.
Main applications: Used in metal constructions, for piping systems, tanks, locksmithing, craft works.
| Construction steels for general use : | ||
|
NF A 35-501 |
: |
A33.A34-2. E24-2,3. E28-2,3. E30-2,3.A50-2 |
|
DIN 17100 |
: |
St33-1. St37-2,3. St44-2,3*, St50-2 |
|
ASTM |
: |
A283grB, C, D. A570gr30, 33, 40 |
|
Tube steels |
|
|
|
DIN 17172, 17175, 1629 |
: |
StE210-7; 240-7; 290-7: 320-7; St35: St35-4,8; St45; St45-4,8 |
|
API SPEC 5LX |
: |
X42,X46,X52 |
| Ship steels |
|
Qualiteit A and B |
| Steels for Boiler and Pressure Vessels: | ||
|
NF A 36-205 |
: |
A37CP, A42CP, A48CP |
|
DIN 17155 |
: |
HI, HII, HIII, 17Mn4 |
|
ASTM |
: |
A414grC, D, E, F. A442gr55, 60.A514grC, D, E, F |
Classification
| AWS A5.1 | EN ISO 2560 | DIN 1913 |
|---|---|---|
| E 6013 | E 43 4 RR 22 | E 43 43 RR(B) 7 |
Typical weld metal composition (%)
| C | Mn | Si | S | P |
|---|---|---|---|---|
| <0.1 | 0.6 | 0.3 | <0.025 | <0.025 |
All weld metal mechanical properties
| Rm (MPa) | Rp0.2 (MPa) | A5 (%) | Av - ISO - V |
|---|---|---|---|
| 450-510 | >430 | >20 | + 20°C >100 ; 0°C > 85; - 20°C > 50 |
Packaging data
| Dimension | 2.5x350 | 3.2x350 | 4.0x350 | 5.0x450 |
|---|---|---|---|---|
| Electr. / packet | 262 | 154 | 102 | 49 |
| Electr. / carton | 1048 | 616 | 408 | 196 |
| Kg 1000 electr. | 19 | 33 | 48 | 105 |
| Packets / carton | 4 | 4 | 4 | 4 |
| Kg / packet | 5 | 5 | 5 | 6.5 |
| Kg / carton | 20 | 20 | 20 | 26 |
Amperes
| A | 70-90 | 100-140 | 140-180 | 200-260 |
|---|
Welding Instructions
= - ~ 40V
