AWS: SFA 5.5 E8018-B8
EN ISO CODE: 3580-A E CrMo9 B 4 2
Cromotherme-9 is a low hydrogen electrode yielding 9Cr - 1Mo deposit having excellent creep strength up to 600°C and resistance to oxidizing atmospheres up to 700°C. Ideal for combating mineral oil attack at elevated temperatures. Applications include welding of 7 to 10Cr - 1Mo steels.
Element | C | Mn | Si | P | S | Cr | Ni | Mo | V | Nb | Cu |
Percent | 0.075 | 0.70 | 0.40 | 0.016 | 0.010 | 8.60 | 0.10 | 1.00 | 0.02 | 0.004 | 0.02 |
PWHT | UTS | YS | Elongation | CVN Impact Strength (J) |
(MPa) | (MPa) | (L= 5d)% | at Minus 20°C | |
740°C for 1 Hr | 620 | 518 | 25 | - |
760°C for 2 Hrs | 610 | 510 | 26 | 110 |
Size (mm) | 6.3x450 | 5x450 | 4x350 | 3.15x350 | 2.5x350 |
Current Range (Amps) | 280-350 | 180-240 | 140-180 | 100-130 | 70-100 |
Qty. (Pcs./Carton) | 25 | 35 | 55 | 75 | 125 |
Electrodes for Creep Resisting Steels