TESDA Gas Welding NC I Course

The Gas Welding NC I is a specialized program offered by TESDA that equips learners with the competencies necessary to perform gas welding on carbon steel plate and tube components. This program is designed to enable learners to read layout, blueprints, diagrams, work orders, welding procedures, and oral instructions, and use gas welding equipment to execute the welding process.

Also read: TESDA Gas Metal Arc Welding NC I Course

By the end of the program, learners will have acquired both theoretical and practical knowledge in fundamental skills such as safety, proper use of materials and equipment, and welding techniques. This program is suitable for both beginners and experienced welders who want to advance their skills and knowledge in the discipline. TESDA’s Gas Welding NC I program provides learners with a solid foundation for their welding careers and prepares them to become competent and skilled gas welders.

What is Gas Welding NC I?

This course aims to enrich the knowledge, skills, and attitudes of trainees in Gas Welding, aligning with industry standards. It encompasses vital competencies, including proficiently executing Gas Welding techniques on Carbon Steel Plates and Pipes.

An individual who has attained this Qualification possesses the necessary skills and knowledge to:

  • Gas (Oxy-Acetylene) Welder

Benefits of Gas Welding NC I

  1. Gain Fundamental Skills: The Gas Welding NC I Course by TESDA equips you with the basic skills needed for gas welding techniques.
  2. Industry-Recognized Certification: Successful completion of the course leads to a TESDA certification, which is widely recognized in the industry.
  3. Enhanced Employability: Having a TESDA certification in gas welding can improve your chances of getting hired or promoted in welding-related jobs.
  4. Practical Hands-On Training: The course offers practical training sessions that allow you to apply your skills directly in a real-world welding environment.
  5. Safety Awareness: Learn about safety protocols and best practices in gas welding to ensure a secure working environment.
  6. Cost-Effective: Gas welding is a cost-effective welding method that can save you money on materials and equipment.
  7. Versatility: Gas welding skills can be applied to various industries such as construction, automotive, and manufacturing.
  8. Creative Potential: Gas welding allows for artistic expression and creativity through metal fabrication and sculpture.
  9. Self-Employment Opportunities: With gas welding skills, you can start your own welding business or offer welding services on a freelance basis.
  10. Personal Satisfaction: Mastering gas welding techniques can provide a sense of accomplishment and personal satisfaction in mastering a valuable trade.

What are the Essential Skills that need to Be Learned?

This qualification consists of a set of Units of Competency, which are as follows:


  • Receive and Respond to Workplace Communication
  • Work with Others
  • Demonstrate Work Values
  • Practice Basic Housekeeping Procedures


  • Apply Safety Practices
  • Interpret Drawings and Sketches
  • Perform Industry Calculations
  • Contribute to Quality System
  • Use Hand Tools
  • Prepare Weld Materials
  • Set Up Welding Equipment
  • Fit up Weld Materials
  • Repair Welds


  • Perform Gas Welding in Carbon Steel Plates and Tubes

Sample of Certificate of Completion


Training Duration

  • Basic: 28 hours
  • Common: 56 hours
  • Core: 72 hours

Total: 156 hours

Also read: TESDA Flux-Cored Arc Welding NC I Course


To enroll in this course, prospective trainees or students are required to meet the following qualifications:

  1. Proficient in both oral and written communication
  2. Physically and mentally fit
  3. Capable of performing fundamental mathematical computations


To enroll in this course, you will need the following documents:

  1. PSA Birth Certificate
  2. High School or College Diploma
  3. Certified True Copy of Official Transcript of Records or Form 137
  4. Certificate of Good Moral Character or GMRC
  5. 1 x 1 and/or 2 x 2 pictures

To obtain further details, please reach out to the enrollment site that aligns with your requirements. Kindly note that the criteria may vary.

Instructor Credentials

The trainer qualifications for this Gas Welding NC I require the following:

  • Must hold GAS WELDING NC I
  • Completed Training Methodology I (TM I) training
  • Must be a civil service eligible (for a government position) or hold an appropriate professional license issued by the Professional Regulatory Commission. (Only when mandated by the hiring institution)
  • Must be physically and mentally fit
  • Requires minimum 2 years of job/industry experience

These requirements ensure that the instructor is fully prepared to teach and guide students in the Gas Welding NC I course.


The Gas Welding NC I is a specialized program offered by TESDA that equips learners with the competencies necessary to perform gas welding on carbon steel plate and tube components. This comprehensive program covers theoretical knowledge and practical skills in gas welding techniques, safety practices, and the proper use of materials and equipment. It is suitable for both beginners and experienced welders looking to advance their skills and knowledge. By completing this program, learners will gain a solid foundation for a successful welding career and become competent gas welders.

Contact Information

Technical Education and Skills Development Authority (TESDA)
Office Address: BLDG 8, TESDA Gate 2, TESDA Complex, East Service Rd., South Superhighway, Taguig, Metro Manila.
Email Address: contactcenter@tesda.gov.ph
Telephone Number: 8887-7777
SMS Hotline: 0917-479-4370 (text only)
Website: https://www.tesda.gov.ph/
Facebook Page: https://www.facebook.com/TESDAOfficial

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