Weld-Testing Services

Comprehensive Weld Testing & Qualification Services

Subodh Material Technologists Pvt. Ltd. provides comprehensive weld testing services to evaluate the mechanical integrity, metallurgical quality, and performance of welded joints. Our NABL accredited laboratory supports welding procedure qualification, welder qualification, production weld validation, failure investigations, and third-party quality assurance for a wide range of ferrous and non-ferrous materials.

Our testing capabilities comply with internationally recognized standards including ASME, AWS, ISO, ASTM, API, EN, BS, and customer-specific specifications, ensuring reliable and technically accurate results for critical engineering applications.

Our Weld Testing Capabilities

Mechanical Testing of Welded Joints

• Tensile Testing (Transverse & All-Weld Metal)

• Elevated Temperature Tensile Testing

• Guided Bend Tests

  • Face Bend

  • Root Bend

  • Side Bend

• Nick Break Test

• Fillet Weld Break Test

• Shear Testing

• Peel Testing

• Impact Testing (Charpy V-Notch)

• Hardness Survey

  • Weld Metal

  • Heat Affected Zone (HAZ)

  • Base Metal

• Macro Examination

• Micro Examination

Fracture & Structural Integrity Testing

• CTOD Testing

• Fracture Toughness (KIC & JIC)

• Fatigue Testing

• Crack Growth Rate Testing

• Low Cycle Fatigue (LCF)

• High Cycle Fatigue (HCF)

Metallurgical Examination

Our metallurgical experts perform detailed examination of welded joints to assess:

• Weld penetration

• Fusion characteristics

• HAZ evaluation

• Grain structure

• Weld defects

• Inclusion assessment

• Porosity evaluation

• Crack examination

• Ferrite measurement (where applicable)

• Weld procedure validation

Corrosion Evaluation of Welded Components

For welds operating in corrosive environments, we provide:

• Sulphide Stress Cracking (SSC)

• Hydrogen Induced Cracking (HIC)

• Stress Corrosion Cracking (SCC)

• Autoclave Corrosion Testing

• Electrochemical Corrosion Testing

• Salt Spray Testing

• Modified Salt Spray Testing

Standards We Support

Our laboratory performs weld testing in accordance with customer requirements and international codes including:

• ASME Section IX

• ASME Section II

• AWS D1.1

• AWS D1.5

• AWS B4.0

• ISO 15614 Series

• ISO 9606 Series

• ISO 5173

• ISO 4136

• ISO 9015

• ISO 17639

• ASTM E8/E8M

• ASTM E23

• ASTM E384

• ASTM E18

• ASTM E92

• ASTM E1820

• ASTM E399

• API 1104

• EN and BS specifications

• Customer-specific qualification procedures

Applications

Our weld testing services are extensively used by:

• Oil & Gas

• Petrochemical Plants

• Refineries

• Power Generation

• Nuclear Industry

• Offshore Structures

• Pressure Vessel Manufacturers

• Pipeline Projects

• Structural Steel Fabricators

• Heavy Engineering

• Aerospace

• Defence

• Shipbuilding

• Railway Manufacturing

Why Choose Subodh Material Technologists?

• NABL Accredited Laboratory (ISO/IEC 17025)

• Experienced Metallurgical Engineers

• Advanced Mechanical & Metallurgical Testing Facilities

• State-of-the-art Servo Hydraulic Testing Systems

• Comprehensive Weld Qualification Support

• Fast Turnaround Time

• Technically Accurate and Traceable Reports

• Support for National and International Codes & Standards

Whether you require Welding Procedure Qualification Record (PQR) testing, Welder Performance Qualification (WPQ), production weld validation, or failure analysis, Subodh Material Technologists delivers precise, reliable, and standards-compliant testing solutions for critical welded components.