What Does IBR Approval Mean for Boiler Plates?
IBR stands for Indian Boiler Regulations, a legal framework that governs the design, material, manufacturing, and inspection of boilers and boiler components in India. For a pressure vessel plate like ASTM A516 Gr 70 to be used in steam boilers in India, IBR approval is mandatory.
Is A516 Grade 70 IBR Approved?
Yes, ASTM A516 Grade 70 plates are IBR approved — provided they:
- Comply with mechanical and chemical standards
- Are manufactured by an IBR-recognized mill
- Are inspected and certified by a competent authority
- Carry an IBR Form III or Form IIIA along with the Mill Test Certificate
When Is A516 Gr 70 Required for IBR Use?
- In steam boilers, economizers, and superheaters
- For pressure vessels operating under Indian law
- In boiler replacement and maintenance projects requiring Form-III
IBR Plate Certification Process for A516
- Plate must be tested for tensile, yield, elongation, impact
- UT (Ultrasonic Testing) is done as per ASME SA20 / EN 10160
- An IBR inspector witnesses tests and issues Form III
- Markings include: IBR Stamp, Heat No, Size, Grade, Mill Name
IBR Compliance for Export and Domestic Supply
- India: Supplied with Form III for boiler registration
- Export: Supplied with EN 10204 3.1/3.2 + CE Mark
- NACE + HIC versions available for oil & gas environments
Why Choose Hindustan Steel Corporation?
- 100% genuine IBR plates with traceable heat numbers
- Form III issued by IBR inspectors in our approved stockyard
- Ready stock of A516 Gr 70 in IBR + Non-IBR grades
- Project experience with BHEL, L&T, ISGEC, Thermax
Related Certified Boiler Grades
- A516 Gr 60 / 70 (IBR Certified)
- SA387 Gr 11 / 22 (with HIC)
- EN 10028 P265GH / P355NH (EN Standard)
- DSQ Plates (IS 8917:1978)
How to Identify IBR Certified A516 Plates?
Check for:
- Mill name and IBR Marking on plate
- Heat No matching MTC and IBR Form
- Authorized IBR Stamp + Inspector Signature
- Compliance to ASME SA516 / ASME SA20
Can We Get Cut-to-Size A516 Plates With IBR?
Yes. We supply cut-to-size IBR plates with:
- Edges: Mill, Sheared, or Bevelled
- Form-III covering the full plate
- Traceability ensured through our quality control team
IBR Form Types Explained
- Form III: For original manufacture
- Form IIIA: For parts/cut pieces sent with test records
- Form IIIC: For components not requiring full Form III
FAQs for Is A516 Gr 70 IBR Approved?
Is A516 Gr 70 approved by IBR in India?
Yes, when supplied by an IBR-recognized mill and certified with Form III.
Can IBR certification be issued for cut-size plates?
Yes, if the inspector verifies the original MTC and issues Form IIIA.
What thicknesses of A516 Gr 70 are IBR certified?
Commonly 6 mm to 150 mm. Beyond 150 mm requires special approval.
Is A516 Gr 70 accepted by Indian boiler authorities?
Yes, it is widely used in power plants, refineries, and IBR-registered boilers.
Can A516 Gr 70 IBR plates be exported?
Yes, they can be supplied with IBR, EN 10204, CE, and project documents.