AVP Business solution logo
BIS-ISI-CERTIFICATE

IS 814 : 2004

Covered electrodes for manual metal arc welding of carbon and carbon manganese steel

Covered electrodes for manual metal arc welding of carbon and carbon manganese steel
Contact Us

1. Summary about Covered Electrodes for Manual Metal Arc Welding of Carbon and Carbon Manganese Steel

Covered electrodes are welding consumables used in manual metal arc welding to join carbon and carbon-manganese steels. The flux coating stabilizes the arc and protects the molten weld pool.


2. Why BIS Certificate is Mandatory for Covered Electrodes

BIS certification is mandatory because electrode quality directly affects weld integrity and structural safety. Substandard electrodes can cause weld defects and failures.


3. What is BIS Certified for Covered Electrodes

BIS certification verifies compliance with Indian Standards covering chemical composition, mechanical properties of weld metal, and performance characteristics.


Tests required for Covered Electrodes for Manual Metal Arc Welding

TitleMandatory/Optional
Core Wirefor electrodes

Optional

Parent metalfor test pieces

Optional

Coating ingredients

Optional

Dimensions

TitleMandatory/Optional
Diameter

Required

Length

Required

Bare length of electrodes

Required

Concentricityof flux covering withcore wire

Required

Coating ratio

Required

Initial Tests

TitleMandatory/Optional
All weld metal mechanical tests for tensile and Impact

Optional

Butt weld bend tests-do-
Running performance test-do-
Increased metal recovery tests (for electrodes claiming recovery 110% and above)-do-
Diffusible hydrogen estimation test (for hydrogen controlled electrodes)-do-
Radiographic quality test (for radiographic quality electrodes)-do-

Periodic check test

TitleMandatory/Optional
All weld metal mechanical tests for tensile and impact

Optional

Running Performance test-do-
Quality control test

Required


4. Benefits of BIS Certification for Covered Electrodes

  • Ensures consistent weld strength
  • Mandatory for structural and industrial welding
  • Reduces weld defects and failures
  • Improves acceptance in regulated projects
  • Enhances manufacturer credibility

Our offices