Sheet & Plate

Sheet & Plate Manufacturer, Stockist & Exporter in India – Exotic Metals LLP

Introduction: The Surface of Modern Engineering

At Exotic Metals LLP, our Sheet & Plates products are the versatile foundations of industrial manufacturing. While the terms are often used interchangeably, we maintain a strict distinction based on thickness: Sheets are typically thin-gauge materials used for precision forming and cladding, while Plates are heavy-gauge sections engineered for structural stability and high-pressure containment.

Sheet & Plate Manufacturer & Supplier in India

Our sheets and plates are produced through advanced hot-rolling and cold-rolling processes, followed by precision leveling to ensure maximum flatness. As a leading manufacturer and exporter in India, Exotic Metals LLP provides these flat products in an extensive array of "Exotic" alloys—from corrosion-resistant stainless steels to high-nickel superalloys. Whether you are fabricating a cryogenic storage tank, a chemical reactor, or an architectural facade, our material ensures superior weldability, excellent surface integrity, and the metallurgical strength to withstand extreme environmental stress.

Technical Specification Table

Feature Details
Diameter Range 3mm to 800mm (1/8” to 32”)
Standard Specifications ASTM A276, A479, A484, ASME SA276, SA479, DIN 1013, EN 10088-3
Length 1 to 6 Meters, Double Random Lengths (DRL), or Cut-to-Size
Tolerances h8, h9, h10, h11, h12, k11, k12 (As per ISO/DIN standards)
Condition Hot Rolled, Cold Drawn, Annealed, Solution Annealed, Quenched & Tempered
Surface Finish Black, Bright (Cold Drawn), Centerless Ground, Rough Turned, Polished
Feature Details
Thickness (Sheet) 0.3 mm to 6.0 mm
Thickness (Plate) 6.0 mm to 150 mm+
Width 1000 mm, 1250 mm, 1500 mm, 2000 mm, 2500 mm
Length 2000 mm to 12000 mm (or Continuous Coils)
Standard Specifications ASTM A240, A480, ASME SA240, SA480, EN 10088-2
Surface Finish 2B (Cold Rolled), No. 1 (Hot Rolled), BA (Bright Annealed), No. 4 (Brushed)
Processing Laser Cutting, Plasma Cutting, Waterjet Cutting, Shearing

Primary Types of Sheet & Plate

Exotic Metals LLP offers specialized flat products tailored to specific mechanical and aesthetic requirements:

Get A Quote Now!

Grade Range: From Structural Steel to Exotic Alloys

We maintain a massive inventory of grades to suit every temperature and chemical volatility:

  1. Stainless Steel: 304, 304L, 316, 316L, 316Ti, 317L, 321, 310, 310S, 347, 409, 410, 430, 904L.
  2. Duplex & Super Duplex: UNS S31803, S32205, S32750, S32760 (F51, F53, F55).
  3. High Nickel Alloys: Inconel 600, 625, 800, 825, Monel 400, K500, Hastelloy C276, C22, Alloy 20.
  4. Specialty Metals: Titanium Grade 2, Grade 5, Aluminum 5000 & 6000 Series.
  5. Carbon & Alloy Steel: ASTM A36, IS 2062, SA 516 Gr. 60/70 (Boiler Quality).

Chemical Composition (%)

Our sheets and plates are verified for chemical uniformity to ensure consistent welding and forming.

Grade Carbon (C) Chromium (Cr) Nickel (Ni) Molybdenum (Mo) Others
SS 316L 0.03 Max 16.0–18.0 10.0–14.0 2.0–3.0 N: 0.10
SA 516 Gr 70 0.27 Max Mn: 0.85–1.20
Alloy C276 0.01 Max 14.5–16.5 Balance 15.0–17.0 W: 3.0–4.5
Duplex 2205 0.03 Max 22.0–23.0 4.5–6.5 3.0–3.5 N: 0.14–0.20

Mechanical Properties

Tested to meet or exceed international ASME and ASTM safety standards.

Grade Tensile (MPa) Yield (MPa) Elongation (%) Hardness (HB/HRB)
SS 304L 515 Min 205 Min 40% 92 HRB Max
SA 516 Gr 70 485–620 260 Min 21% 150 HB Avg
Inconel 625 827 Min 414 Min 30% 220 HB Max
Titanium Gr 2 345 Min 275 Min 20% 160 HB Max

Standard Weight Chart (Theoretical)

Formula: $\text{Length (m)} \times \text{Width (m)} \times \text{Thickness (mm)} \times 8.0 = \text{Weight (kg)}$ (for Stainless Steel).

Thickness (mm) Gauge Weight (kg/m²) Weight (Standard 4×8' Sheet)
0.5 mm 24 4.00 11.89
1.0 mm 20 8.00 23.78
2.0 mm 14 16.00 47.56
5.0 mm 3/16" 40.00 118.91
10.0 mm 3/8" 80.00 237.83
25.0 mm 1" 200.00 594.57
50.0 mm 2" 400.00 1189.14

Delivery & Packaging Information

At Exotic Metals LLP, we prioritize the protection of surface finishes and the prevention of edge damage:

  1. Surface Guard: Polished and Cold Rolled sheets are provided with a 50–100 micron PVC/Laser protective film to prevent scratches during handling and fabrication.
  2. Secure Skidding: Plates and sheets are stacked on reinforced wooden pallets (skids) with cardboard separators and edge protectors for safe handling.
  3. Export Logistics: International consignments are packed in seaworthy, ISPM-15 compliant wooden crates or steel-framed boxes to prevent shifting and moisture ingress during maritime transit.
  4. Traceability: Every sheet or plate is stenciled or labeled with the Heat Number, Size, Grade.
  5. Documentation: Each order is supplied with a Mill Test Certificate (MTC) as per EN 10204 3.1, along with PMI reports, Ultrasonic Testing (UT) reports for heavy plates, and dimensional inspection reports.

Frequently Asked Questions (FAQ)

What is the difference between a Sheet and a Plate?

The primary difference is the thickness. In the metal industry, products thinner than 6.0 mm (1/4") are generally called "Sheets," while products 6.0 mm and thicker are classified as "Plates."

Can Exotic Metals LLP provide "Cut-to-Size" plates?

Yes. We use high-precision CNC Laser, Plasma, and Waterjet cutting machines to provide plates in custom shapes, circles, or rings, reducing material waste for our clients.

What is "Boiler Quality" (BQ) Plate?

Boiler quality plates (like SA 516 Gr 70) are specially manufactured to withstand high internal pressures and thermal cycling, making them safe for use in steam boilers and pressure vessels.

Does Exotic Metals LLP offer mirror-finish plates for architectural use?

Absolutely. We provide No. 8 Mirror Finish and No. 4 Brushed/Satin finish sheets, widely used in elevator interiors, lobby wall cladding, and high-end signage.