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SM-70S
SOLID WIRE
AWS A5.1 8 / ASME SFA5.1 8 ER70S-3
JIS Z3312 YGW16
l Applications
Butt and fillet welding of vehicles, buildings, ships, machinery, etc.
l Characteristics on Usage
SM-70S is a solid wire designed for all position welding and high speed welding of steel sheets can be performed easily by short-circuiting welding.
Arc is stable and spatter loss is low.
l Notes on Usage
a) Use welding grade CO2/Argon+15~25% CO2.
b) Flow quantity of shielding gas should be 25L /min. approximately.
c) Use wind screen against wind.
d) Keep distance between tip and base metal 6~15mm for less than 250A, and 15~25mm for more than 250A of welding current.
l Welding Position Current Shielding Gas
DC+ CO2/Ar+ CO2
l Typical Chemical Composition of All-Weld Metal (%)
|
C |
Si |
Mn |
P |
S |
|
0.08 |
0.40 |
0.85 |
0.014 |
0.014 |
l Typical Mechanical Properties of All-Weld Metal
|
Y.S N/mm2 (lbs/in2) |
T.S N/mm2 (lbs/in2) |
EL. (%) |
Temp. ℃(℉) |
CVN-Impact Value J (ft·lbs) |
|
440 (63,900) |
560 (81,300) |
28 |
-20 (-4) |
80(59) |
l Approval
ABS, LR, CWB
l Packing (Including Ball Pac)
|
Dia.(mm) (in) |
0.9 |
1.2 |
1.4 |
1.6 |
Spool(kg) |
15 |
20 |
|
0.035 |
0.045 |
0.052 |
1/16 |
(lbs) |
33 |
44 |
|
|
Ball Pac |
|
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l Sizes Available and Recommended Currents (Amp.)
|
Size mm (in) |
0.9 (0.035) |
1.2(0.045) |
1.6 (1/16) |
|
F&HF |
50~200 |
80~350 |
170~390 |
|
V-up,OH |
50~140 |
50~160 |
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