Alloy 20 Sheets & Plates Manufacturer, Supplier & Exporter in India
Alloy 20 Sheets & Plates supplied by Astromet Steel & Engineering are high-nickel, chromium-molybdenum alloys developed specifically to resist sulfuric acid corrosion. This alloy combines excellent corrosion resistance with outstanding mechanical strength.
Alloy 20 Sheets & Plates offers exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking in harsh chemical environments. Its copper addition significantly enhances resistance to sulfuric acid attack across a wide concentration range.
These sheets and plates maintain excellent toughness and ductility even at elevated temperatures, ensuring reliable performance in continuous service conditions. Their stable austenitic structure prevents intergranular corrosion.
Alloy 20 Sheets & Plates demonstrates excellent weldability and fabrication properties, allowing complex equipment manufacturing without cracking or loss of corrosion resistance.
Manufactured according to ASTM B463 standards, Alloy 20 Sheets & Plates meet strict international quality requirements and performance expectations.
Due to their superior corrosion resistance and durability, Alloy 20 Plates are widely preferred in chemical, pharmaceutical, and food processing industries.
Alloy 20 Sheets & Plates Specifications
Specification : ASTM B463 / ASME SB463
Dimension Standard : JIS, AISI, ASTM, GB, DIN, EN, etc
Width : 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length : 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Thickness : 0.3 mm to 120 mm
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
Surface Finishing : Hot rolled plate (HR), Cold rolled sheet (CR),2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, Chequered, embossed, hair line, sand blast, Brush, etching, SATIN (Met with Plastic Coated) etc.
Alloy 20 Sheets & Plates Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | EN | AFNOR |
| Alloy 20 | 2.4660 | N08020 | NiCr20CuMo | Z2NCUD31-20AZ |
Alloy 20 Sheets & Plates Chemical Composition
| Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
| Alloy 20 | 0.07 max | 2.00 max | 1.00 max | 0.035 max | 3.00 – 4.00 | 32.00 – 38.00 | 19.00 – 21.00 | 29.85 min* | 2.00 – 3.00 | 0.045 max |
Alloy 20 Sheets & Plates Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30 % |
Why Choose Astromet Steel & Engineering?
Alloy 20 Sheets & Plates are commonly used in sulfuric acid processing equipment, chemical reactors, storage tanks, heat exchangers, pharmaceutical machinery, and food processing plants.
Alloy 20 Sheets & Plates Usage & Applications
Astromet Steel & Engineering delivers Alloy 20 sheets & plates with guaranteed quality, complete documentation, custom cutting services, and global export capability.