HYUNDAI WELDING

Business Introduction

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Flux Cored Wire

SC-70A

Mild Steel & 490MPa High Tensile Steel SC-70A

Type
Industry Shipbuilding, bridg construction machinery, and vehicles
JIS
EN ISO 17632-A-T 42 3 M C1 1 H5, T 46 3 M M21 1 H5
ISO 17632-A-T 42 2
KS
AWS A5.18 E70C-3C/-6M
  • Caution ① Although there are some differences depending on steel species, plate thickness and restraint force, in general, if the thick plate and restraint force are large, proper preheating (50-150℃) is required to prevent cracks and defects.
    ② In single or multy layer welding, be careful as high current and high-speed welding may cause hot cracks in the first layer bead.
    ③ Use 100% CO2 or Ar+20~25% CO2 for protective gas.
  • Purpose Shipbuilding, bridg construction machinery, and vehicles welding
  • Attribute ① It is a 50kg grade metal core wire that uses 100% CO2 or Ar+20~25% CO2 shielding gas, has excellent weld-ability, and has a wide range of current that can be welded.

SC-420MC

Mild Steel & 490MPa High Tensile Steel SC-420MC

Type Rutile
Industry Shipbuilding
JIS
EN ISO 17632-A-T46 3 P C1 1 H5/ ISO 17632-A-T46 3 P M21 1 H5
KS
AWS A5.20 E71T-1C/-9C H4
A5.20 E71T-1M/-9M H8
D1.8 is available upon request
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.
  • Purpose ① Shipbuilding
    ② Structural fabrication
    ③ General fabrication
    ④ Offshore structure .
  • Attribute ① Low spatter and excellent performance

    ② Good arc performance and fast freezing slag

    ③ Use 100% CO2 gas or Ar-CO2 mixture(Dual gas)

    ④ Better performance in V-up position

    ⑤ Good low Hydrogen level(H5)

    ⑥ Meets AWS D1.8 seismic lot waiver requirements

SF-71R

Mild Steel & 490MPa High Tensile Steel SF-71R

Type Rutile
Industry Shipbuilding
JIS
EN ISO 17632-A-T42 2 P C1 1 H5
KS
AWS A5.20 E71T-1C H4
  • Caution .
  • Purpose ① Pipe line
    ② Offshore structure
    ③ Pressure vessel
  • Attribute ① Good impact value at low temperature (As Welded and PHWT)

SC-EG2 Cored

Mild Steel & 490MPa High Tensile Steel SC-EG2 Cored

Type Metal-Cored
Industry
JIS Z3319 YFEG-22C
EN
KS
AWS A5.26 EG70T-2C
  • Caution ① Use 100% CO₂ gas.
  • Purpose ① Shipbuilding
    ② Storage tank
  • Attribute ① Electro gas arc welding process
    ② High deposition(Vertical up butt welding)

Supercored 70SB

Mild Steel & 490MPa High Tensile Steel Supercored 70SB

Type Basic
Industry
JIS Z3313 T49 3 T5-1 C A-U H5
EN ISO 17632-A-T42 3 B C1 2
KS D7104 YFW-C502B
AWS A5.20 E71T-5C
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.

    ③ Use 100% CO₂ gas.
  • Purpose ① Shipbuilding

    ② Structural fabrication

    ③ Heavy equipment
  • Attribute ① Good crack resistance

    ② Good impact value at low temperature

Supercored 70B

Mild Steel & 490MPa High Tensile Steel Supercored 70B

Type Basic
Industry Structural fabrication
JIS Z3313 T49 4 T5-1 M A-U H5
EN ISO 17632-A-T42 4 B M21 3 H5
KS D7104 YFW-A502B
AWS A5.20 E71T-5M-J
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② Use Ar + 20-25% CO₂ mixed gas.
  • Purpose ① Shipbuilding

    ② Structural fabrication
  • Attribute ① Good crack resistance

    ② Good impact value at low temperature

    ③ Good anti-porosity

Supercored 70NS

Mild Steel & 490MPa High Tensile Steel Supercored 70NS

Type
Industry Heavy Equipment, Shipbuilding, Offshore Structure, Structural fabricat
JIS Z3313 T49 3 T15-0 M A H5
EN ISO 17632-A-T42 3 M M21 3 H5
KS D7104 YFW-A50DM
AWS A5.18 E70C-6M
D1.8 is available upon request
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② Use Ar + 20-25% CO₂ mixed gas.
  • Purpose ① Machinery

    ② Structural fabrication

    ③ Automotive or robotic welding. • Shipbuilding
  • Attribute ① Designed for welding with Ar + CO2 shielding gas

    ② High deposition rates, stable arc, travel speed

    ③ Low spatter

    ④ Good anti-porosity

    ⑤ Meets AWS D1.8 seismic lot waiver requirements

SC-70T Cored

Mild Steel & 490MPa High Tensile Steel SC-70T Cored

Type Metal-Cored
Industry Structural fabrication, Pipe&Pipeline
JIS Z3313 T49 2 T15-1 C A Ι | Z3313 T49 3 T15-1 M A
EN ISO 17632-A-T42 2 M C1 1|ISO 17632-A-T46 2 M M21 1
KS D7104 YFW-C50DM/ A50DM
AWS A5.18 E70C-3C/-6M
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.


    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.



    ③ Use 100% CO₂ gas or Ar + 20-25% CO₂ mixed gas.
  • Purpose ① Shipbuilding



    ② Machinery



    ③ Structural fabrication
  • Attribute ① Good weldability in thin plate and root pass welding



    ② High productivity and automatic applications



    ③ Minimum amount of slag & spatter



    ④ Use 100% CO2 gas or Ar-CO2 mixture(Dual gas)



    ⑤ All position welding ⑥ Good anti-porosity

Supercored 70MXH

Mild Steel & 490MPa High Tensile Steel Supercored 70MXH

Type Semi-Metal
Industry
JIS Z3313 T49 2 T1-0 C A-U H5
EN ISO 17632-A-T 42 2 R C 3 H5
KS D7104 YFW-C50DM
AWS A5.20 E70T-1C/-9C
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② Use 100% CO₂ gas.
  • Purpose ① Shipbuilding

    ② Structural fabrication

    ③ General fabrication

    ④ Heavy equipment

    ⑤ Offshore structure
  • Attribute ① Designed for welding with 100% CO2 shielding gas

    ② High speed single or twin tandem welding

    ③ Low hydrogen level (H5)

    ④ Good anti-porosity to zinc primer

SC-70H Cored

Mild Steel & 490MPa High Tensile Steel SC-70H Cored

Type Semi-Metal
Industry
JIS Z3313 T49 3 T1-0 C A H10
EN ISO 17632-A-T 42 2 R C 3
KS D7104 YFW-C502M
AWS A5.20 E70T-1C/-9C
D1.8 is available upon request
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② Use 100% CO₂ gas.
  • Purpose ① Shipbuilding

    ② Structural fabrication

    ③ Machinery

    ④ Heavy equipment

    ⑤ Transportation equipment
  • Attribute ①High deposition in the flat and horizontal positions

    ② Designed for welding with 100% CO2 shielding gas

    ③ Low spatter and soft arc ④ Good anti-porosity

    ④ Meets AWS D1.8 seismic lot waiver requirements

SF-70MX

Mild Steel & 490MPa High Tensile Steel SF-70MX

Type Semi-Metal
Industry
JIS Z3313 T49J 0 T1-0 C A-U H10
EN ISO 17632-A-T 42 0 R C 3
KS D7104 YFW-C50DM
AWS A5.20 E70T-1C
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② Use 100% CO₂ gas.
  • Purpose ① Shipbuilding

    ② Structural fabrication

    ③ General fabrication

    ④ Transportation equipment
  • Attribute ① Designed for welding with 100% CO2 shielding gas

    ② Good high deposition rate

    ③ Good penetration and good arc stability

    ④ Low spatter and soft arc

    ⑤ Good anti-porosity

SF-71MC

Mild Steel & 490MPa High Tensile Steel SF-71MC

Type Rutile
Industry Shipbuilding, Pipe & Pipeline
JIS
EN ISO 17632-A-T46 3 P M21 1 H10|ISO 17632-A-T46 2 P C1 1 H10
KS
AWS A5.20 E71T-1C/-1M-9C/-9M/-12C/-12M
D1.8 is available upon request
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.
  • Purpose ① Shipbuilding

    ② Structural fabrication

    ③ General fabrication

    ④ Pipe line

    ⑤ Offshore structure
  • Attribute ① Low spatter and excellent performance

    ② Good arc performance and fast freezing slag

    ③ Use 100% CO2 gas or Ar-CO2 mixture(Dual gas)

    ④ Better performance in V-up position

    ⑤ Meets AWS D1.8 seismic lot waiver requirements

SC-71LHM Cored

Mild Steel & 490MPa High Tensile Steel SC-71LHM Cored

Type Rutile
Industry Shipbuilding
JIS Z3313 T49 3 T1-1 M A-U H5
EN ISO 17632-A-T46 3 P M21 1 H5
KS
AWS A5.20 E71T-1M/-9M
D1.8 is available upon request
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.

    ③ Use Ar + 20% CO₂ mixed gas.
  • Purpose ① Shipbuilding

    ② Steel industry

    ③ General fabrication
  • Attribute ① Designed for welding with 75~80% Argon/ balance CO2 shielding gas

    ② Good arc performance and fast freezing slag

    ③ Low hydrogen level(H5) and good crack resistance

    ④ Meets AWS D1.8 seismic lot waiver requirements

Supercored 71MAG

Mild Steel & 490MPa High Tensile Steel Supercored 71MAG

Type Rutile
Industry Shipbuilding
JIS Z3313 T49 3 T1-1 M A-U
EN ISO 17632-A-T46 3 P M21 1
KS
AWS A5.20 E71T-1M/-9M
D1.8 is available upon request
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.

    ③ Use Ar + 20-25% CO₂ mixed gas.
  • Purpose ① Shipbuilding

    ② Civil construction

    ③ General fabrication
  • Attribute ① Designed for welding with 75~80% Argon/ balance CO2 shielding gas

    ② Good arc performance and bead appearance

    ③ Low spatter

    ④ Meets AWS D1.8 seismic lot waiver requirements

SC-71HJ

Mild Steel & 490MPa High Tensile Steel SC-71HJ

Type Rutile
Industry Shipbuilding
JIS Z3313 T49 4 T1-1 C A
EN ISO 17632-A-T42 4 P C1 1
KS D7104 YFW-C504R
AWS A5.20 E71T-1C/-9C-J
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.

    ③ Use 100% CO₂ gas.
  • Purpose ① Shipbuilding

    ② Offshore Structure

    ③ Structural fabrication

    ④ Pressure vessels
  • Attribute ① Designed for welding with 100% CO2 shielding gas

    ② Good bead appearance

    ③ Smooth and stable arc with a fast freezing slag

    ④ Good performance in all position

Supercored 71H

Mild Steel & 490MPa High Tensile Steel Supercored 71H

Type Rutile
Industry Shipbuilding
JIS Z3313 T49 4 T1-1 C A
EN ISO 17632-A-T42 4 P C1 1
KS D7104 YFW-C502R
AWS A5.20 E71T-1C/-9C-J
D1.8 is available upon request
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.

    ③ Use 100% CO₂ gas.
  • Purpose ① Shipbuilding

    ② Offshore Structure

    ③ Structural fabrication

    ④ Pressure vessels
  • Attribute ① Low temperature service steel

    ② Designed for welding with 100% CO2 shielding gas

    ③ Smooth and stable arc with a fast freezing slag

    ④ Meets AWS D1.8 seismic lot waiver requirements

SC-71LH

Mild Steel & 490MPa High Tensile Steel SC-71LH

Type Rutile
Industry Shipbuilding
JIS Z3313 T49 3 T1-1 C A
EN ISO 17632-A-T42 2 P C1 1 H5
KS D7104 YFW-C502R
AWS A5.20 E71T-1C/-9C
D1.8 is available upon request
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.

    ③ Use 100% CO₂ gas.
  • Purpose ① Shipbuilding

    ② General fabrication

    ③ Structural fabrication

    ④ Steel industry
  • Attribute ① Designed for welding with 100% CO2 shielding gas

    ② Good low Hydrogen level(H5) and crack resistance

    ③ Smooth and stable arc with a fast freezing slag

    ④ Meets AWS D1.8 seismic lot waiver requirements

Supercored 71

Mild Steel & 490MPa High Tensile Steel Supercored 71

Type Rutile
Industry Shipbuilding
JIS Z3313 T49 2 T1-1 C A
EN ISO 17632-A-T42 2 P C1 1
KS D7104 YFW-C502R
AWS A5.20 E71T-1C
D1.8 is available upon request
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.

    ③ Use 100% CO₂ gas.
  • Purpose ① Shipbuilding

    ② General fabrication

    ③ Structural fabrication

    ④ Steel industry
  • Attribute ① Designed for welding with 100% CO2 shielding gas

    ② Good performance and low spatter

    ③ Smooth and stable arc with a fast freezing slag

    ④ Meets AWS D1.8 seismic lot waiver requirements

SF-71LF

Mild Steel & 490MPa High Tensile Steel SF-71LF

Type Rutile
Industry Shipbuilding
JIS Z3313 T49J 0 T1-1 C A-U
EN
KS D7104 YFW-C50DR
AWS A5.20 E71T-1C
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.

    ③ Use 100% CO₂ gas.
  • Purpose ① Shipbuilding

    ② General fabrication

    ③ Structural fabrication

    ④ Pressure vessels
  • Attribute ① Designed for welding with 100% CO2 shielding gas

    ② Low fume

    ③ Smooth and stable arc with a fast freezing slag

SF-71

Mild Steel & 490MPa High Tensile Steel SF-71

Type Rutile
Industry Shipbuilding
JIS Z3313 T49J 0 T1-1 C A-U
EN ISO 17632-A-T42 0 P C1 1
KS D7104 YFW-C50DR
AWS A5.20 E71T-1C
  • Caution ① For preheating guidelines, please refer to your local standards and codes relative to your best practices.

    ② High-voltage or high-speed for one-side welding might cause hot cracking on the root bead.

    ③ Use 100% CO₂ gas.
  • Purpose ① Shipbuilding

    ② General fabrication

    ③ Structural fabrication

    ④ Pressure vessels
  • Attribute ① Designed for welding with 100% CO2 shielding gas

    ② Good performance and low spatter

    ③ Smooth and stable arc with a fast freezing slag
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