NABCB Accredited Inspection Bodies
INSTITUTE OF WELDING AND TESTING TECHNOLOGY (OPC) PRIVATE LIMITED
Address 303/304/305, New Laxmi Industrial Estate, Penkar Pada, Near Mira Road [E], Thane – 401107, India
Contact Person Mr. Satish P Sawant
Designation Director
Tel +91 9892263850
Fax
Email ID satish.sawant53@gmail.com
Website www.weldingtesting.org
Accreditation Cert. No.. IB 184
Valid From 11 Aug 2026
Valid Upto 10 Aug 2029
Accreditation Standard
Type of Inspection Body Type A
 
Scopes of Accreditation
IAF Scope /
Field of Inspection and
Specific Item(s) 		Stage and Range of
Inspection(s) 		Inspection Requirement(s)
Standards / Regulations / Methods / Procedures
Number identification with
year of publication 		Title
IAF Scope 17
Basic metals
and fabricated metal products
Manufacturing of other fabricated metal products
Boiler & pressure vessel Stagewise & Final Inspection, Vendor Inspection, Inspection of Lot ASME Boiler & pressure vessel Sec VIII- Division 01- 2025 Rules for construction of pressure vessel
ASME -Section IX - 2025 Qualification standard for welding, brazing and fusing procedures, blazers and welding, brazing and fusing operators.
ASME- Section V-2025 Non-destructive examination
IBR 1950 - 2025 Indian Boiler Regulations
Fabricated items, structures & pipes API 650-2025 14th edition Welded Tanks for Oil Storage
Heat Exchanger API 1104 - 2021-22nd edition Welding pipes & related facilities
Transformer tanks AWS D1.1./D.1.1 M-2025 Structural Welding Code-Steel
Tanks & oil storage AWS D.1.2 / D.1.2 M-2014 Structural Welding code for Aluminum
Automotive components AWS D.1.6 / D.1.6 M-2017 Structural welding code for stainless steel
Railway components AWS D.1.6 / D.1.6 M-2017 Structural welding code for stainless steel
ISO 15609:2019 Specification and qualification of welding procedures for metallic materials – Welding procedure specification
ISO 15614-1:2024 Specification and qualification of welding procedures for metallic materials – Welding specific test (steel & its alloys)
ISO 15614-2: 2025 Specification and qualification of welding procedures for metallic materials – Welding specific test (Aluminum & its alloys)
ISO 15614-12:2021 Specification and qualification of welding procedures for metallic materials – Welding specific test – Spot, steam & projection
ISO 9606-1:2017 Qualification of testing welders- Fusion welding (Steel)
ISO 9606-2:2021 Qualification of testing welders- Fusion welding (Aluminum)
EN 15085:20123 Railway applications- Welding of railway vehicles and components
Ferro alloys and steel- Plates, coils, etc. IS 2062-2011 (R-2021) Hot Rolled Medium & High Tensile Structural Steel
Non ferrous AISI 201 & 202,AISI 301-347,AISI 403-440
Base metals (1000-7000 series)
Cu, CuSi, CuSn, CuNi, CuAl 		Stainless steel
Specification for design & manufacture of water-tube steam generating plant
Aluminum & its alloys
Copper & its alloys
 
The following offices of INSTITUTE OF WELDING AND TESTING TECHNOLOGY (OPC) PRIVATE LIMITED are included under accreditation

Location

Address

Key activities performed

Thane (Main Office)


303/304/305, New Laxmi Industrial Estate, Penkar Pada, Near Mira Road [E], Thane – 401107, India

Top Management functions, Quality Management System functions, administration & accounts, other key activities.


Inspection contract review, Inspection planning & execution, Inspection personnel authorization & assignment, Issue of inspection reports / certificates.
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