AWS E7018/ JIS D5016

Descripción del producto

High Tensile Steels Welding

• GL - *8 is an iron powder low hydrogen type covered electrode with excellent usability in all position welding.
• GL- *8 is suitable for high tensile strength carbon and alloyed steel in ships, bridges, building, and pressure vessels. 
• It's easy-slag-removable, few blowhole, smoke and spatter. Its weld bead is smooth, shinny; the arc is soft, the re-striking is good and penetration is shallow...especially having perfect result with AC current.
• 2. Typical chemical composition of (deposited) all-weld-metal (%):

•  

  C	Mn	Si	P	S
  0.*2 max	1.0 ~1.*0	0.*0 ~ 0.*0	0.**8 max	0.**8 max

  3. Typical mechanical properties of all-weld-metal:

  Tensile Strength  (MPa)	Yield Strength  (MPa)	Elongation (%)	Impact Value ( J) **9oC ( J )
  **0min	**0min	*2min	*0min

  4. Size available, recommended currents (AC&DC):

  Size ( mm )		Ø3.2	Ø4.0	Ø5.0
  Lengthi    ( mm )		**0	**0	**0
  Welding Current Range (Ampe)	F	**0 –**0	**0–**0	**0 –**0
  	V & OH	*0 –**0	**0 – **0	**0 – **0

  5. Usage introduction:

  Dry the electrodes at ******0^oC for ****0 minutes before use.
• Adopt the backstep method or strike the arc on a small steel plate prepared for this particular purpose to prevent blowhole at the arc starting.
• Keep the arc as short as possible