Quality Certifications & International Accreditations of World Steel Group

World Steel Group (WS) is one of the leading corporations in steel structures and pre-engineered steel buildings in Vietnam and Southeast Asia, trusted by both domestic and international clients. A key factor behind WS’s strong reputation lies in its comprehensive system of international certifications and accreditations, which demonstrate the company’s technical capability, quality management systems, and manufacturing–construction capacity in compliance with global standards.

1. IAS AC472 Certification – “The Passport” to the U.S. Market

What is AC472?

IAS AC472 is a quality accreditation program specifically for steel structure manufacturers, issued by the International Accreditation Service (IAS)—one of the world’s most reputable accreditation bodies. The program comprehensively evaluates quality management systems covering design, fabrication, inspection, and acceptance of steel structural products.

Functions of AC472

The AC472 certification evaluates the entire technical and quality management process, including:

• Compliance with international technical standards such as AISC and AISI in design and fabrication
• Verification of raw materials, material certificates, and traceability systems
• Assessment of manufacturing processes, equipment calibration, welding control, measurement, and testing
• Verification of engineering competence, welder qualifications, and quality management systems

AC472 is widely recognized as a mandatory “passport” for exporting steel structures—especially pre-engineered steel buildings—into the United States market.

Advantages & Strengths of AC472

World Steel Group is proud to be the first company in Vietnam and Asia to obtain the IAS AC472 certification, marking a major milestone in entering the U.S. market and affirming its global competitiveness.

Key benefits include:

• Comprehensive compliance with the highest international technical and design standards
• Faster approval and permitting processes in the U.S.
• Enhanced durability, safety, and operational efficiency of steel structures
• Reduced insurance and maintenance costs for projects using AC472-certified products
• Increased commercial value of projects backed by internationally recognized quality assurance

Maintaining AC472 requires semi-annual audits, ensuring continuous improvement of WS’s systems and processes.

2. ISO 9001:2015 – Comprehensive Quality Management System

Function of ISO 9001

ISO 9001 is the most widely adopted international standard for Quality Management Systems (QMS). Aiming to ensure consistent product quality and customer satisfaction while meeting regulatory requirements.

This standard:

• Establishes consistent processes for documentation, production, procurement, and customer service
• Promotes continuous improvement and error reduction
• Enhances internal management efficiency and accountability

Advantages & Strengths

With ISO 9001, WS ensures:

• Consistent quality across all production batches
• Stronger trust from domestic and international clients
• Greater competitiveness in bidding for large-scale projects

3. ISO 14001:2015 – Environmental Management System

Function of ISO 14001

ISO 14001 focuses on environmental management, helping organizations control and reduce environmental impacts from production activities.

The standard supports:

• Identification and mitigation of environmental impacts such as emissions, wastewater, and solid waste
• Compliance with environmental regulations across different markets
• More efficient use of resources and reduced operating costs

Advantages & Strengths

ISO 14001 demonstrates WS’s strong commitment to sustainable development, minimizes environmental compliance risks, and enhances brand value—especially for environmentally conscious clients.

4. ISO 45001:2018 – Occupational Health & Safety Management

Function of ISO 45001

ISO 45001 is an international standard for occupational health and safety (OH&S), aimed at preventing workplace accidents and protecting employee well-being.

It enables organizations to:

• Identify and control workplace hazards
• Implement safety programs, training, and incident reporting systems
• Reduce operational disruptions caused by labor incidents

Advantages & Strengths

ISO 45001 helps WS foster a “safety-first” culture, reduce injury-related costs, boost employee morale, and attract skilled professionals who value a safe working environment.

5. ISO 3834-2:2021 – Specialized Welding Quality Management

Function of ISO 3834-2

ISO 3834-2 is an international standard dedicated to quality management in welding processes, covering material selection, welding procedures, welder qualifications, inspection, and documentation.

Welding is considered a “special process” in steel structures, directly affecting structural integrity and safety.

Advantages & Strengths

ISO 3834-2 enables WS to:

• Ensure high reliability and quality of welded joints, minimize defects and post-installation failures
• Reduce rework and third-party inspection costs
• Access markets with stringent welding quality requirements

6. EN 1090 – European Standard for Steel Structures

Function of EN 1090

EN 1090 is a mandatory standard for steel and aluminum structures exported to the European Union (EU). It emphasizes production control systems and conformity assessment through design evaluation, material testing, and process control.

Advantages & Strengths

• Access to the EU market with its stringent safety and quality regulations
• Enhanced cooperation opportunities with European and global partners

7. AS/NZS 5131 – Australia & New Zealand Standard

Function of AS/NZS 5131

AS/NZS 5131 governs the fabrication, erection, and quality control of steel structures in Australia and New Zealand. It applies a risk-based quality management approach to ensure the highest technical standards.

Advantages & Strengths

• Strengthens WS’s competitiveness in fast-growing markets such as Australia and New Zealand
• Provides clear and reliable quality assurance evidence for contractors and project owners