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When a refinery shutdown or EPC project depends on boiler and pressure vessel safety, using uncertified or delayed material can cause audit failures, financial penalties, and downtime losses.
That’s why Navgraha Steels INC, Mumbai supplies SA516 Gr 415 Boiler Quality Coils that are:
With Navgraha, every coil is more than steel — it’s a promise of safety, reliability, and timely delivery.
SA516 Gr 415 Coils are pressure vessel quality steel coils manufactured under ASTM/ASME standards. They are designed for use in boilers, storage tanks, heat exchangers, and refinery equipment where strength, weldability, and toughness are critical.
Key features:
If your project requires audit-compliant coils for boilers or refineries, SA516 Gr 415 is the grade that engineers trust.
Procurement heads often face these challenges:
Navgraha Steels INC eliminates those risks by offering:
That’s why engineers, project managers, and QA teams worldwide prefer Navgraha.
| Property | Typical Value | Why It Matters |
|---|---|---|
| Tensile Strength | 550–710 MPa | Withstands boiler & pressure vessel stress |
| Yield Strength | Min 240 MPa | Prevents premature failure under load |
| Elongation | 18–22% | Ensures safe bending & fabrication |
| Impact Resistance | Up to -20°C | Performs in offshore & cold regions |
| Hardness (BHN) | ≤ 250 | Allows machinability & welding safety |
These properties make SA516 Gr 415 Coils a safe, robust, and fabrication-friendly choice for critical pressure applications.
| Element | % Range | Role |
|---|---|---|
| Carbon (C) | ≤ 0.20 | Strength without losing weldability |
| Manganese (Mn) | 0.55–1.20 | Improves toughness & ductility |
| Phosphorus (P) | ≤ 0.015 | Reduces brittle fracture risk |
| Sulfur (S) | ≤ 0.008 | Minimizes cracking during welding |
| Silicon (Si) | 0.13–0.45 | Enhances heat resistance |
This clean chemistry balance ensures coils are reliable under pressure, audit-compliant, and long-lasting in refinery environments.
Our SA516 Gr 415 Coils comply with global boiler and pressure vessel codes, ensuring smooth procurement across multiple geographies:
This makes our coils audit-approved worldwide, reducing delays in EPC and refinery projects.
We maintain both ex-stock supply and mill fresh rolling to handle urgent shutdowns as well as long-term projects.
With this flexibility, Navgraha ensures availability for boilers, vessels, and fabrication shops.
Different industries demand different metallurgical performance:
This ensures your coils are tailored to exact refinery, petrochemical, or offshore requirements.
Fabricators rely on Navgraha’s coils because they are:
This means lower fabrication costs, fewer delays, and faster project execution.
When sourcing coils, buyers need assurance, not assumptions. Navgraha delivers:
With Navgraha, you don’t just get coils — you get a partnership built on compliance and delivery reliability.
We supply SA516 Gr 415 Coils in all required project variants:
You receive exactly the coil type your project specification demands, without compromise
From Mumbai’s Nhava Sheva Port, Navgraha Steels INC exports SA516 Gr 415 Boiler Quality Coils to industries across:
Export Packaging: Wooden pallets, steel strapping, edge protection, rust preventive coating → ensuring coils arrive audit-ready and damage-free.
Before placing your order, align your project specifications with coil supply:
Navgraha Tip: Always request dual certifications (IBR + NACE) to avoid last-minute project audit delays.
Every coil supplied by Navgraha Steels INC comes with traceable documentation:
This ensures zero audit failures and smooth EPC approvals
Yes, Navgraha supplies IBR approved, NACE compliant, and HIC tested sheets.
Thickness: 6–50 mm, Width: up to 3000 mm, Length: up to 12000 mm.
Yes, sheets can be supplied cut-to-dimension for faster fabrication.
Yes, we provide EN 10204 3.1/3.2 MTCs with third-party inspection (Lloyds, TÜV, DNV, ABS, SGS).
Prices vary by thickness, certification, and order size. Contact Navgraha for current rates.
We export across GCC, Africa, Asia-Pacific, and Europe with full compliance packaging.
Don’t let uncertified steel coils risk your project’s safety or compliance.
With Navgraha Steels INC, Mumbai – Maharashtra – India, you receive:
Call to Action: Request a quote today from Navgraha Steels INC and secure SA516 Gr 415 Boiler Quality Coils that guarantee safety, compliance, and timely delivery.
