Description
BRAND : AUTOTHERME GRADE-M
AWS: SFA 5.23 EB3
EN ISO CODE: 24598-A SCrMo2
Copper coated 2.25Cr-1.0Mo solid wire for submerged arc welding. These wires are suitable for welding of Creep resistance and similar composition high strength steels.
Autotherme grade-M filler wire suitable for welding of similar grade creep steels. The weld metal possesses good high t temperature properties. It deposits notch free weld deposit with excellent mechanical properties especially suitable for welding of pipes and tubes of matching compositions in power plants, Refineries, Petrochemicals, Fertilizer etc. Suitable for welding of ASTM steels : Grade F22(class 1&3) of SA-182 & SA 336, Grade T4, T22 of SA-199, Grade T22 of SA213, grade WC9 of SA-217, Grade P22 of SA-335, Grade FP22 Of SA-369, Grade22, 22L of SA-387, Grade CP22 of SA-426, Grade 22 of SA-541, Class 1 of A,B types of SA-542, etc
| Element | C | Mn | Si | S | P | Cr | Mo | Cu |
| Range | 0.05-0.15 | 0.40-0.80 | 0.05-0.30 | 0.025 Max | 0.025 Max | 2.25-3.00 | 0.90-1.10 | 0.35 Max |
| Typical | 0.100 | 0.60 | 0.13 | 0.007 | 0.010 | 2.50 | 0.98 | 0.12 |
| WITH SAW FLUX | C | Mn | Si | S | P | Cr | Mo | Cu |
| MAXFLUX SAF-13 | 0.07 | 0.71 | 0.32 | 0.010 | 0.022 | 2.21 | 1.10 | 0.13 |
| WITH SAW FLUX | UTS | 0.2%YS | %EI | CVN Impact (Joules) |
| (MPa) | (MPa) | (L=4d) | -29°C | |
| MAXFLUX SAF-13 (PWHT :690°C/1HR) | 650 | 570 | 22 | 70 |
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