奧地利伯樂BOHLER EML 5、ER70S-3碳鋼焊絲

B?HLER EML 5 TIG rod
Classifications unalloyed
EN ISO 636-A: AWS A5.18:
W 46 5 W2Si ER70S-3
Characteristics and field of use
Copper coated welding rod for welding unalloyed and low-alloy steels. The TIG rod is suitable for
thin-walled plates and thin-walled tubes as well as for root welds. The relatively low Si content makes
the welding rod particularly suitable for welding joints that will later be enamelled or galvanised. The
TIG rods are particularly recommended for root welds (approved down to -50°C).
B?HLER EML 5 is also suitable for use in acid gas (HIC test according to NACE TM-02-84).
Marks (rods0nly)
front: W3Si1
back: ER70S-3
Base materials
Steels up to a yield strength of 460 MPa (67 ksi)
S235JR-S355JR， S235JO-S355JO， S235J2-S355J2， S275N-S460N， S275M-S460M，
S275NL-S460NL， S275ML-S460ML， P235GH-P355GH， P275NL1-P460NL1， P275NL2-
P460NL2， P215NL， P265NL， P355N， P460N， P285NH-P460NH， P195TR1-P265TR1，
P195TR2-P265TR2， P195GH-P265GH， L245NB-L415NB， L245MB-L415MB， GE200-GE240
ASTM A 106 Gr. A， B， C A 181 Gr. 60， 70 A 283 Gr. A， C A 285 Gr. A， B， C A 350 Gr. LF1，
LF2 A 414 Gr. A， B， C， D， E， F， G A 501 Gr. B A 513 Gr. 1018 A 516 Gr. 55， 60， 65， 70
A 572 Gr. 42， 50， 55， 60， 65 A 573 Gr. 58， 65， 70 A 588 Gr. A， B A 633 Gr. A， C， D， E
A 662 Gr. A， B， C A 707 Gr. L1， L2， L3 A 711 Gr. 1013 A 841 Gr. A， B， C API 5 L Gr. B， X42，
X52， X56， X60
Typical composition of welding rod (Wt-%)
C Si Mn
0.01 0.6 1.2
Mechanical properties of all-weld metal
Heat Treatment Yield strength
0.2% Tensile strength Elongation
(L0=5d0)
Impact values
in J CVN
MPa MPa % +20°C: -20°C: -50°C:
untreated 520 620 26 220 200 90
stress relieved* 480 580 28 200 210
* 600°C/2 h – shielding gas 100% Argon
Operating data
Polarity = -
Dimensions (mm)
1.6 2.0 2.4 3.0
Approvals and certificates
TüV (1096.)， DB (42.014.02)， Statoil， CE