OK 55.00

OK 55.00 is a reliable, high-quality LMA electrode particularly suitable for welding high-strength low-alloy steels. It offers excellent low-temperature impact strength and high resistance to hot cracking.

Key Features

• Tested according to NACE TM0177 and TM0284
• Extremely low diffusible hydrogen (< 3 ml/100g)
• Low moisture pick-up ensures consistent batch-to-batch quality
• Delivers good penetration and X-ray quality welds
• Easy to use for welders of all skill levels

Specifications

• Classification: SFA/AWS A5.1 E7018-1H4 R
• Alloy Type: Carbon Manganese
• Coating Type: Basic
• Welding Current: AC, DC+
• Min AC OCV: 65 V
• Tensile Strength: 590 MPa
• Yield Strength: 500 MPa

Applications

• High-strength low-alloy steels
• Shipbuilding steels (Grades A, D, E)
• Positional welding in challenging conditions
• High humidity or extreme temperature worksites