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SA 387 Gr.91 Cl.2 Sheets Supplier & Exporter in India – Navgraha Steels INC (Mumbai, Maharashtra)

In high-pressure industries, one wrong material choice can mean shutdown delays, compliance risks, or financial loss. Buyers sourcing alloy steel sheets for boilers, reactors, or pressure vessels cannot afford errors.

At Navgraha Steels INC, we supply IBR/PED/EN 10204 certified SA 387 Gr.91 Cl.2 sheets with full traceability, timely dispatch, and export-ready packaging. Our clients—from refineries in the GCC to power plants in Africa & Europe—trust us for compliance + reliability + delivery assurance.

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What Are SA 387 Gr.91 Cl.2 Alloy Steel Sheets and Why Do EPC & Power Projects Depend on Them?

SA 387 Grade 91 Class 2 is a Cr-Mo-V (Chromium-Molybdenum-Vanadium) alloy steel designed for long-term elevated temperature service. Known for its creep strength, oxidation resistance, and thermal stability, this grade is widely used in:

  • Boilers & heat exchangers where continuous operation exceeds 600°C
  • Thermal & nuclear power plants requiring rupture resistance
  • Refinery reactors & pressure vessels exposed to stress + thermal cycling
  • Critical EPC projects with mandatory international approvals

In Class 2 condition, these sheets are normalized and tempered, delivering superior strength + compliance for mission-critical applications.

The Procurement Risks Buyers Face While Sourcing SA 387 Gr.91 Cl.2 Sheets

Every procurement manager knows the risks:

  •  Wrong grade/class supplied → rejection at project site.
  •  Missing IBR / PED / EN 10204 certification → regulatory non-compliance.
  •  Long lead times → EPC delays, heavy penalties.
  •  Poor export packing → corrosion, edge damage during transit.
  •  Hidden costs → budget overruns after order placement.

At Navgraha Steels INC, we solve these with:

  •  Ready stock in Mumbai
  •  Certified supply with 3.1/3.2 MTCs
  •  EPC contractor approvals & references
  •  Export-ready seaworthy packaging
  •  Transparent CIF/FOB pricing

Applications of SA 387 Gr.91 Cl.2 Sheets Across Global Industries

SA 387 Gr.91 Cl.2 sheets are trusted by engineers, EPC contractors, and project managers across industries where compliance and high-temperature reliability are non-negotiable:

  • Boilers & Heat Exchangers – thermal stability at 600°C+
  • Thermal & Nuclear Power Plants – creep strength under prolonged exposure
  • Refineries & Petrochemicals – pressure vessels, reactors, heaters
  • Process Equipment in EPC Projects – tanks, piping, structural applications

Wherever heat + pressure + compliance intersect, SA 387 Gr.91 Cl.2 sheets deliver project security and long service life.

Mechanical Properties of SA 387 Gr.91 Cl.2 Chrome Moly Sheets

SA 387 Gr.91 Cl.2 sheets deliver high tensile and creep strength with reliable toughness at elevated temperatures:

  • Yield Strength: 415 – 585 MPa
  • Tensile Strength: 585 – 760 MPa
  • Elongation: 18 – 22% (excellent workability)
  • Creep Rupture Strength: Stable under prolonged 600°C+ exposure
  • Impact Resistance: Maintains toughness even under thermal cycling

Buyer Edge: Guarantees long-term safety and compliance in boilers, reactors, and refinery equipment.

Chemical Composition of ASTM A387 Gr.91 Cl.2 Alloy Steel Sheets

The alloy’s Cr-Mo-V chemistry ensures oxidation resistance, thermal stability, and creep protection:

Element Content (%)
Carbon (C) 0.08 – 0.12
Manganese (Mn) 0.30 – 0.60
Silicon (Si) 0.20 – 0.50
Chromium (Cr) 8.00 – 9.50
Molybdenum (Mo) 0.85 – 1.05
Vanadium (V) 0.18 – 0.25
Niobium (Nb) 0.06 – 0.10
Phosphorus (P) ≤ 0.020
Sulphur (S) ≤ 0.010

Buyer Edge: Delivers reliability in high-stress, high-temperature environments where other grades fail.

Standards, Certifications & Equivalent Grades of SA 387 Gr.91 Cl.2 Sheets

  •  Standards: ASTM A387 / ASME SA 387 (Boiler & Pressure Vessel Code)
  • Equivalent Grades: EN 10028-2 X10CrMoVNb9-1, DIN 1.4903, BS 622-515C
  • Certifications: EN 10204 3.1 / 3.2, IBR, PED, CE Marking
  • Inspection & Testing: SGS, TUV, BV, Lloyd’s Register approved

Buyer Edge: Meets international EPC requirements for power, petrochemical, and refinery projects.

Available Thickness, Widths & Sheet Sizes We Supply

At Navgraha Steels INC, Mumbai, we maintain ready stock + mill allocations:

  • Thickness Range: 6 mm – 50 mm
  • Width: 1000 mm – 2500 mm
  • Length: 2500 mm – 6000 mm
  • Supply Condition: Normalized + Tempered (N+T)
  • Processing: Slitting, CNC cutting, shearing, edge preparation

Buyer Edge: Ready-to-use dimensions = less fabrication cost, less downtime.

Heat Treatment, Weldability & Elevated Temperature Performance

  •  Supply Condition: Normalized + Tempered (N+T)
  •  Weldability: Requires controlled preheating and PWHT to maintain joint strength
  • High-Temperature Service: Reliable at 600–650°C continuous exposure

Buyer Edge: Ensures structural safety and compliance under extreme conditions.

Value-Added Services by Navgraha Steels INC for Alloy Steel Sheets

We go beyond supply, offering project-ready solutions:

  1. Slitting, CNC cutting, bending & fabrication support
  2. Custom cut-to-size orders on request
  3. Protective primer coating & rust-preventive oils
  4. Export-ready seaworthy packaging & fumigation
  5. Complete documentation: Mill Test Certificates (EN 10204 3.1/3.2)

Buyer Edge: Saves time, labor, and project cost, ensuring smooth EPC execution.

Why Choose Navgraha Steels INC as Your SA 387 Gr.91 Cl.2 Sheet Supplier?

In critical industries like power generation, refineries, and EPC shutdowns, even a minor sourcing error can trigger compliance failures, shutdown delays, or cost overruns. That’s why buyers trust Navgraha Steels INC, Mumbai.

We deliver:

  1. Global Export Expertise – Supplying regularly to GCC, Africa, and Europe.
  2. Full Certifications – IBR, PED, EN 10204 3.1/3.2, CE approvals.
  3. On-Time Delivery – Mumbai stock + mill tie-ups ensure zero delays.
  4. Proven EPC Track Record – Supplier for refinery shutdowns & power projects.
  5. Transparent Pricing – Competitive CIF/FOB quotes, no hidden costs.

With Navgraha, you don’t just buy sheets—you secure compliance, safety, and delivery confidence.

Popular Variants & Related Alloy Steel Sheets We Also Supply

  • SA 387 Gr.91 Cl.1 Sheets
  • SA 387 Gr.22 Cl.2 Sheets
  • SA 387 Gr.11 Cl.2 Sheets
  • ASTM A204 Alloy Steel Sheets

Buyer Edge: One supplier for multiple chrome-moly grades = simplified procurement + lower sourcing risk.

Export Packaging, Logistics & Worldwide Delivery Assurance

We ensure every shipment arrives safe, compliant, and project-ready:

  • Seaworthy Packing – waterproof wrapping, strapped bundles, wooden pallets.
  • Ocean Freight – JNPT/Nhava Sheva for global CIF/FOB shipments.
  • Air Freight – for urgent shutdown deliveries.
  • Protection Measures – rust preventive coating, edge guards, fumigation.

Buyer Edge: Eliminates corrosion, damage, or customs rejection risks.

How to Select the Right SA 387 Gr.91 Cl.2 Sheet Supplier

Before finalizing a supplier, verify they:

  1. Provide IBR/PED/EN 10204 certified supply.
  2. Maintain ready stock + mill tie-ups for urgent orders.
  3. Offer cut-to-size, CNC machining & coating services.
  4. Support global logistics & documentation.
  5. Deliver transparent pricing with zero hidden costs.

Navgraha Steels INC meets all 5 points—making us a strategic sourcing partner, not just a vendor.

FAQ’s

Cl.2 sheets are tempered for higher strength and creep resistance compared to Cl.1.

Yes, we supply IBR-certified alloy sheets for boiler and refinery projects.

Yes, with EN 10204 3.1/3.2, PED, and CE certifications.

Prices vary with size, thickness, and origin—contact us for live quotes.

We supply from 6 mm to 50 mm thickness, widths up to 2500 mm.

Yes, with preheating and post-weld heat treatment (PWHT).

Request SA 387 Gr.91 Cl.2 Sheet Price, Datasheet & MTC Today

Don’t compromise on compliance or timelines.
 Call our Mumbai office today for live pricing & availability.
 Request a technical datasheet + sample Mill Test Certificate.
 Get export-ready documentation & logistics support to any port worldwide.

With Navgraha Steels INC, you secure certified alloy sheets + assured delivery + project peace of mind.

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