TESDA Manual Metal Arc Welding (MMAW) NC IV Course

The Manual Metal Arc Welding (MMAW) NC IV Qualification by TESDA equips individuals with the skills needed to weld austenitic stainless steel components following specific guidelines. This qualification involves mastering competencies required to work on plates and pipes based on drawings, welding procedure specifications, or verbal instructions using the MMAW process. MMAW, or Shielded Metal Arc Welding (SMAW), is a technique for joining metals efficiently and accurately.

Also read: TESDA Shielded Metal Arc Welding (SMAW) NC IV Course

Through the MMAW NC IV program, participants learn the intricacies of welding austenitic stainless steel, a key material in various industries. By attaining this qualification, individuals enhance their capabilities to produce high-quality welds in line with industry standards. Mastering the MMAW process not only expands one’s welding expertise but also opens doors to opportunities in the field of metalworking and fabrication.

Manual Metal Arc Welding (MMAW) NC IV

What is Manual Metal Arc Welding (MMAW) NC IV?

Manual Metal Arc Welding (MMAW) NC IV is a TESDA qualification covering skills to weld austenitic stainless steel using specified drawings, welding procedures, or oral instructions with the MMAW process.

An individual who attains this Qualification is considered capable of serving as a:

  • Carbon Steel Plate/ Pipe Welder (MMAW)
  • Austenitic Stainless Steel Plate/ Pipe Welder (MMAW)


Here are some benefits of taking Manual Metal Arc Welding (MMAW) NC IV by TESDA:

  1. Skill Development: This course will help you develop the specialized skills required for Manual Metal Arc Welding, enhancing your practical abilities and understanding of the MMAW process.
  2. Certification: As a TESDA qualification, completion of the course provides you with a recognized certification that can boost your career prospects in industries such as construction, automotive, and shipbuilding.
  3. Hands-On Experience: The MMAW NC IV course offers practical training, giving you the opportunity to gain hands-on experience and apply theoretical knowledge to real-world situations.
  4. Safety Training: Welding can be dangerous without the proper safety measures. This course will equip you with essential safety protocols, reducing the risk of workplace accidents and injuries.
  1. Career Advancement: Gain advanced skills and certification to unlock better job prospects, higher positions, and potentially increased pay in your field. It may even pave the way for entrepreneurship in welding.

Units of Competency

This qualification consists of the following units of competency:


  • Utilize specialized communication skills
  • Develop and lead teams
  • Perform higher-order thinking processes and apply techniques in the workplace
  • Contribute to the practice of social justice in the workplace
  • Manage innovative work instructions
  • Manage and evaluate usage of information
  • Lead in improvement of Occupational Safety and Health (OSH) programs, policies and procedures
  • Lead towards improvement of environment work programs, policies and procedures
  • Sustain entrepreneurial skills


  • Interpret Drawings and Sketches
  • Perform Basic Workshop Measurements & Computations
  • Contribute to Quality System
  • Use Hand Tools
  • Prepare Materials and Consumables


  • Set up Welding Equipment
  • Prepare / Fit up Welding Joints
  • Weld Austenitic Stainless Steel Plates and Pipes using MMAW

Sample of Certificate of Completion


Training Duration

  • Basic: 47 hours
  • Common: 40 hours
  • Core: 56 hours
  • Supervised Industry Learning (SIL): 80 hours

Total: 223 hours


Trainees or students wishing to enroll in this program must possess the following qualifications:

  • Ability to perform basic mathematical computations
  • Completed training in Manual Metal Arc Welding (MMAW) NC III or MMAW NC III holder
  • Good communication skills
  • Physically fit (including differently-abled individuals)


To enroll in the course of your choice, you need to fulfill certain requirements. These include:

  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

Note: Specific requirements may vary by school. It’s recommended to contact the school for accurate information on required documents.

Trainer’s Qualifications

  • Minimum 2 years of welding job/industry/teaching experience with at least 24 hours of Supervisory Course training
  • Physically fit (including differently-abled individuals)
  • Holder of National TVET Trainer Certificate Level I in Manual Metal Arc Welding (MMAW) NC IV

These qualifications are essential for a welding trainer to effectively educate students on welding. However, they go beyond technical expertise.

Video: How to Enroll in TESDA: Step-By-Step Guide

If you are interested in learning new skills and improving your employability, enrolling in a course at TESDA is a great option. In this video, you will learn the step-by-step guide on how to enroll in TESDA.


The Manual Metal Arc Welding (MMAW) NC IV Qualification by TESDA equips individuals with skills to weld austenitic stainless steel components. Participants master competencies for working on plates and pipes using the MMAW process. This program enhances welding expertise in various industries, offering hands-on experience and safety training. Completion leads to certification, skill development, and career advancement opportunities. Units of competency cover basic, common, and core skills, with a total training duration of 223 hours. Requirements include basic math skills, communication ability, and completion of MMAW NC III.

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