8/4/2019 Pages from hyundai welding handbook (2006)

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GMAW SOLID WIRE & STAINLESS MIG WIRE GMAW SOLID WIRE & STAINLESS MIG WIRE

SM-80G SM-308AWS A5.28 / ASME SFA5.28 ER80S-G

JIS Z3312 YGW21

AWS A5.9 / ASME SFA5.9 ER308

JIS Z3321 Y308

Applications

Butt and fillet welding of steel structures and using 550N/ or 600N/ tensile steels such asconstruction machinery, buildings and pressure vessels.

Characteristics on Usage

SM-80G is a solid wire for flat and horizontal fillet welding position. As the deposition rate isvery high, highly efficient welding can be performed. As the wire contains special elements, itsbead appearance is excellent.

Notes on Usage

Use welding grade CO. Flow quantity of shielding gas should be 25/min. approximately. Use wind screen against wind. Keep distance between tip and base metal of 6~15mm for less than 250A, and 15~25mm

for more than 250A of welding current.

DC+ CO

Welding Position Current Shielding Gas

Typical Chemical Composition of All-Weld Metal (%)

C Si Mn P S Mo

0.08 0.50 1.35 0.012 0.010 0.28

Y.S T.S EL. Temp. CVN-Impact ValueN/(lbs/in2) N/(lbs/in2) (%) () J (ftlbs)

580 (84,200) 660 (95,800) 24 -20 (-4) 120 (88)

Typical Mechanical Properties of All-Weld Metal

Sizes Available and Recommended Currents (Amp.)

Dia. (mm) 1.2 1.4 1.6(in) .045 .052 1/16

Ball Pac

Spool(kg) 15 20(lbs) 33 44

ABS

Approval Packing (Including Ball Pac)

Size mm(in)

F & HF

1.2 (.045) 1.4 (.052) 1.6 (1/16)

200~350 280~500 300~550

1G 2F

Applications

Characteristics on Usage

MIG welding of 18%Cr-8%Ni steel for chemical industries such as oil, medical, fertilizer andtextile industries and for nuclear reactors.

Typical Chemical Composition of All-Weld Metal (%)

Though SM-308 is austenitic type stainless steel wire, the weld metal contains ferrite andresistance to crack is extremely good. The usability, such as arc stability and assimilability of

welds to base metal is extremely good. Resistance to corrosion and the mechanical propertiesof the weld metal are good.

C Si Mn Ni Cr

0.04 0.41 1.65 9.8 19.9

T.S EL. CVN-Impact Value FerriteN/(lbs/in) (%) 0C(32) -20 (-4) Quantity(FN)

590 (85,600) 40 100(74) 50(37) 7~10

Typical Mechanical Properties of All-Weld Metal

SizeA V

Speed Gas FlowRemarks

mm(in) (cm/min.) (/min.)

1.2 (.045) 260 27 30 25 Shielding gas

1.6 (1/16) 300 29 34 25 100%Ar or Ar+2%O

Typical Welding Conditions (DC+)

100 Ar or Ar+2%