Dây hàn hồ quang chìm H08A-VD

Liên hệ

  • Used for submerged arc welding (SAW)
  • Suitable for the manufacture of beam frame, arm crane, etc.
  • Under the load up to 490 Mpa
  • Intensively penetrated and smooth welded joints
  • High welding capacity

Applied standards

  • ASME/AWS A5.17 EL12
  • ASME/AWS A5.17 EL8

Characteristics – applications

  • H08A – VDis the submerged arc welding wire. Copper plating or no copper plating. Used for semi-automatic or automatic welding machines. The welded joints are intensively penetrated and smooth.
  • Suitable for welding low-carbon steel under the load up to 490 Mpa such as the manufacture of beam frame, arm crane, etc. Appropriate for welding straight lines, circles, etc.
  • Suitable for welding with VD-431or equivalent
  • Welding capacity higher than other methods of welding

Chemical composition (%):

C Mn Si P S
Required 0.04~0.14 0.25~0.6 ≤ 0.03 ≤ 0.03 ≤0.03
Obtained 0.07 0.45 0.028 0.018 0.013

Mechanical property of weld metal when welding with VD-431:

Yield strength
Tensile strength
Impact value
Obtained 400 490 26 00C: 80

Instructions for use:

  • Clean oil, grease and dust before welding
  • Process welding edges as regulated
  • Select appropriate welding current and voltage to avoid possible defects
  • If the solder is wet, dry it before welding.

Size, specification and used current:

Diameter Ø 1.6 Ø 2.0 Ø 2.4 Ø 3.2 Ø 4.0
Welding current (A) 200~300 300~350 350~400 420~460 480~520
Welding voltage (V) 24~28 27~30
Specification (kg) Coil 25 25 25 25 25
Basket 250[300] 250[300]

The product is packed with 25kg/coil (copper plating or no copper plating), with or without iron-made lots and diameter sizes.