Leading Supplier, Stockist and Exporter of Sheets, Plates and Coils
BB Infras is a trusted supplier, stockist and exporter of steel flat products — sheets, plates and coils — used in pressure vessel fabrication, structural construction, shipbuilding, automotive and general engineering. We supply hot-rolled, cold-rolled, pickled & oiled, and coated flat products from major Indian and international mills.
Our flat product range includes Mild Steel (MS) plates and sheets, Carbon Steel boiler-quality plates, High-Strength Low-Alloy (HSLA) plates, Stainless Steel sheets and plates, Alloy Steel plates, and Aluminium sheets. Thicknesses from 0.5 mm to 200 mm; widths from 1000 mm to 4000 mm; lengths in stock or cut-to-size.
Standard grades supplied include IS 2062 E250/E350, ASTM A36, ASTM A516 Gr.60/70 (boiler quality), ASTM A285 Gr.C, ASTM A387 (alloy steel), ASTM A240 (SS plates), and EN 10025 S275/S355 structural plates. All plates are supplied with MTC and dimensional inspection reports.
Specifications
| Product | Standard | Thickness Range |
|---|---|---|
| MS / Carbon Steel Plates | IS 2062, ASTM A36 | 5 mm – 200 mm |
| Boiler Quality Plates | ASTM A516 Gr.60/70, IS 2002 | 6 mm – 100 mm |
| HR Steel Sheets | IS 1079, ASTM A1011 | 2 mm – 12 mm |
| CR Steel Sheets | IS 513, ASTM A1008 | 0.5 mm – 3.15 mm |
| SS Sheets (2B / No.4 / BA) | ASTM A240, EN 10088-2 | 0.5 mm – 50 mm |
| Chequered / Tread Plates | IS 3502, BS EN 10259 | 4 mm – 12 mm |
| Galvanized Sheets / GI Coils | IS 277, ASTM A653 | 0.5 mm – 3.15 mm |
| HR / CR Coils | IS 10748, IS 513 | 1 mm – 12 mm |
Frequently Asked Questions
- Q: What is the difference between HR and CR steel?
- A: Hot Rolled (HR) steel is processed above recrystallisation temperature, resulting in a scaled surface finish with wider dimensional tolerances — cost-effective for structural applications. Cold Rolled (CR) steel is processed at room temperature, producing a smoother surface, tighter tolerances, and better formability for precision applications.
- Q: Can you supply cut-to-size plates?
- A: Yes — we offer flame cutting, plasma cutting, shearing and water-jet cutting services. Cut-to-size plates are supplied with dimensional inspection certificates.
- Q: What is ASTM A516 Gr.70 used for?
- A: ASTM A516 Gr.70 is a weldable pressure vessel quality plate for storage tanks, pressure vessels and heat exchangers operating at moderate to low temperatures. Minimum tensile strength is 485 MPa.
