E 7018–H8
AWS/ASME SFA – 5.1 :E 51 54 B 10
DIN 1913 :E 42 4 B 42 H 10
ISO 2560 :Aplication / Propertis:
Electrode for producing crack – free and tough welding joint, Weld metal recovery is approx. 115% . Smooth and clean welds blending into base metal without undercut . Good gap bridging properties . Welds are X-ray quality . Suitable for depositing layers on steeld haing higher carbon content (up to 0.4)
| C | Mn | Si | S | P |
|---|---|---|---|---|
| 0.08 | 1.3 | 0.65 | <0.02 | <0.02 |
(Single values are typical values)
| Tensile Strength ( N/mm 2 ) | Yield Strength ( N/mm 2 ) | Elongation A5 (%) | Impact energy (J) ISO - V 30°C- |
|---|---|---|---|
| 500 – 610 | > 420 | > 22 | 80 |
| Welding Parameters | ||
|---|---|---|
| Diamter(mm) | Length(mm) | Amprage(A) |
| 2.5 | 350 | 65 – 90 |
| 3.25 | 450 | 100 – 140 |
| 4.0 | 450 | 140 – 190 |
| 5.0 | 450 | 190 – 250 |
| 6.0 | 450 | 260 – 340 |
| DIN Standard | St 37-2 to St 60-2; St 37-3 to St 52-3; St 37.0 to ST 52.0; St 37.4 to ST 52.4; StE 210.7 to StE 360.7; StE 210.7 TM to StE 360.7 TM; St 35.8 to St 45.8; HI; HII; 17mn 4; GL-A 36 to GL-E 36; StE 255 to StE 355; WStE 255 to WStE 355; TStE 255 to TStE 355; TT ST 35 N; GS-38; GS-52 |
| EN Standard | S235JR to E335; S235J2G3 to S355J2G3; P235T1 to P355T1; P235T2; P355T2; L210 to L360NB; L290MB to L360MB; P235G1TH; P255G1TH; P235GH; P265GH; P295GH; S355G1S to S355G3S; S255N to S355N; P255NH to P355NH; S255NL to S355NL. |
| ASTM Standard | A27 a.A36 Gr. all; A214; A242 Gr. 1-5; A266 Gr. 1, 2, 4; A283 Gr. A, B, C, D; A285 Gr.A, B, C; A299 Gr.A, B; A328; A366; A515 Gr.60, 65, 70; A516 Gr.55; A570 Gr.30, 33, 36, 40, 45; A572 Gr. 42, 50; A606 Gr. all; A607 Gr.45; A656 Gr.50, 60; A668 Gr.A, B; A907 Gr.30, 33, 36, 40; A841; A851 Gr.1, 2; A935 Gr.45; A936 Gr.50. |
| APl 5 L Gr. B, X42-X56 |
requred at 300 c to 350c for 2hrs
