2-26
Description
GTAW rod with high silicon content. The welding rod is suited for joints in boiler and vessel
fabrication as well as in structural steel engineering.
It can be used in sour gas applications (HIC-Test acc. NACE TM-02-84). Test values for SSCtest
are available too.
Approvals and Certificates
TÜV-D (09717.), TÜV-A (521), LTSS, SEPROZ, CE
Base Materials
steels up to a yield strength of 420 N/mm2 (60 ksi)
S235J2G3-S355J2G3, E360, P235T1-P355T1, P235G1TH, L210, L290MB, P255G1TH,
P235GH, P265GH, P295GH, P310GH, P255NH, S235JRS1-S235J4S, S355G1S-S355G3S,
S255N-S385N, P255NH-P385NH, GE200-GE260
ASTM A27 a. A36 Gr. all; A214; A 242 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; 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 Gr. 50; API 5 L Gr. B, X42 - X56
Operating Data
shielding gases: Argon ø mm
rod marking: 1.6
front: W3Si1 2.0
back: ER70S-6 2.4
Mechanical Properties of All-weld Metal
(*) u s
Yield strength Re N/mm2 (MPa): 430 (≥ 420) 400
Tensile strength Rm N/mm2 (MPa): 540 (500 - 640) 510
Elongation A (L0 = 5d0) %: 27 (≥ 320) 28
Impact work ISO-V KV J + 20 °C: 160 (≥ 100) 180
- 40 °C: 70 110
- 50 °C: (≥ 347)
(*) u untreated, as-welded – shielding gas Argon
s stress relieved, 620 °C/2 h – shielding gas 100 % Argon
Typical Composition of Welding Rod
C Si Mn
Wt-% 0.08 0.9 1.45
EN ISO 636-A:2008: W 42 5 W3Si1
EN ISO 636-B:2008: W 49A 5U W6
AWS A5.18-05: ER70S-6
AWS A5.18M-05: ER48S-6
W.No: 1.5125
BÖHLER EMK 6
GTAW rod, mild steel
Mild Steel Filler Metals – GTAW Rods
www.boehler-welding.com