E 7018–H4R
AWS/ASME SFA – 5.1 :E 51 54 B 5
DIN 1913 :E 42 4 B 42 H 5
EN 499 :E 425 B 42 H 5
ISO 2560 :Application/properties:
Basic electrode that uses nano technology in a humid environment with 80% humidity, the electrode coating is resistant to moisture absorption for 9 hours. This electrode is suitable for producing crack-free and tough welding joints; weld metal recovery is approx 115%.
Weld metal analysis in % (typical values):
| C | Mn | Si | S | P |
|---|---|---|---|---|
| 0.07 | 1.4 | 0.55 | < 0.02 | < 0.02 |
Mechanical Properties of all-weld metal:
(single values are typical values)
| Tensile Strength (N/mm²) | Yield Strength (N/mm²) | Elongation A5 (%) | Impact Energy (J) ISO-V | |
|---|---|---|---|---|
| +20°C | -30°C | |||
| 500 - 640 | > 420 | > 22 | > 160 | 90 |
| Welding Parameters | ||
|---|---|---|
| Diameter (mm) | Length (mm) | Amperage (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 |
Materials:
| 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; 17Mn4; 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; A 242 Gr. 1-5; A 266 Gr. 1, 2, 4; A283 Gr. A, B, C, D; A285 Gr. A, B, C; A 299 Gr. A, B; A328; A366; A515 Gr. 60, 65, 70; A516 Gr. 55; A570 Gr. 30, 33, 36, 40, 45; A 572 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 API 5 L Gr. B, X42 – X56;Gr. 50 | |
Remarks:
