MS 21S
Very thick-coated rutile electrode
Product description
Very thick-coated electrode specially designed for flat and fillet welding where a very attractive bead appearance is required.
Angled concave cord, very smooth fusion and self-releasing slag. Withstands overcurrent, frequent use in finishing pass.
Product application instructions
General-purpose structural steels:
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
Steel tubes :
DIN 17172, 17175, 1629 : StE 210-7 ; 240-7 ; 290-7 ; 320-7 ; St35 ; St35-4, 8 ; St45 ; St45-4, 8
API SPEC 5L : X42, X46, X52
Naval sheet metal : Quality A and B
Steels for boilers and pressure vessels:
NF A 36-205 : A37CP, A42CP, A48CP
DIN 17155 : HI, HII, HIII, 17Mn 4
ASTM: A414grC, D, E, F. A442gr55, 60. A514grC, D, E, F. A515gr55, 60, 65, 70. A285grC
Classification
| NFA 81-309 | AWS A 5.1 | BS 639 | EN ISO 2560 | DIN 1913 |
|---|---|---|---|---|
| E 513/2 RR 22 | E 6013 | E 5132 RR 22 | E 513 RR 22 | E 5132 RR 6 |
Chemical analysis (%)
| C | Mn | If | S | P |
|---|---|---|---|---|
| <0.1 | 0.6 | 0.45 | <0.025 | <0.025 |
Mechanical characteristics
| Rm (MPa) | Rp0.2 (MPa) | A5 (%) | Av - ISO - V |
|---|---|---|---|
| 500-580 | >400 | >22 | + 20°C >64 ; 0°C > 47; - 20°C > 28 |
Why choose this basic electrode?
Vacuum-packed 5 or 6Kg electrode for welding highly stressed steel assemblies (carbon and carbon manganese) (tensile strength up to 510 MPa).
It features excellent mechanical properties, particularly at low temperatures.
