shielded metal-arc welding การใช้

• Welding and allied processes - recommendations for joint preparation - manual metal - arc welding , gas - shielded metal - arc welding , gas welding , tig welding and beam welding of steels
• Welding and allied processes - recommendations for joint preparation - part 1 : manual metal - arc welding , gas - shielded metal - arc welding , gas welding , tig welding and beam welding of steels