Alloy 20 (UNS N08020) Nickel Alloy Round Bar for Chemical Processing, Sulfuric Acid Plants, Petrochemical Equipment, Heat Exchangers and Pharmaceutical Industries

UNS N08020 Alloy 20 Round Bar for Petrochemical Plants, Chemical Reactors, Storage Tanks and Corrosion-Resistant Equipment

Alloy 20 (UNS N08020) Nickel Alloy Round Bar is a corrosion-resistant nickel-iron-chromium alloy designed for demanding chemical environments. It provides excellent resistance to sulfuric acid, good mechanical strength, and reliable fabrication properties. Widely used in chemical processing, petrochemical plants, heat exchangers, acid storage tanks, pumps, valves, and pharmaceutical equipment.

Key Features and Advantages

• Excellent Corrosion Resistance : Excellent resistance to sulfuric acid and various aggressive chemical environments.

• Superior Pitting Resistance : Good resistance to pitting and crevice corrosion in acidic and chloride-containing environments.

• Good Stress Corrosion Cracking Resistance : Provides good resistance to stress corrosion cracking in many industrial environments.

• High Mechanical Strength : Offers good tensile strength and mechanical stability for demanding industrial applications.

• Excellent Weldability : Suitable for conventional welding processes with appropriate procedures.

• Good Machinability : Can be machined into various industrial components, including shafts, fasteners, pumps, and valves.

Typical Applications

• Sulfuric acid reactors, storage tanks, piping and pump components

• Pharmaceutical and fine chemical processing equipment

• Heat exchangers for mixed acid and corrosive media

• Valves, fittings, fasteners and machined parts in acid service

• Food processing and plastic manufacturing corrosive equipment

Technical Specifications

• Product Name: Alloy 20 Round Bar

• Material Designation: UNS N08020

• Alloy Family: Nickel-Iron-Chromium Stabilized Corrosion Resistant Alloy

• Product Form: Round Bar / Rod

• Reference Standard: ASTM B473, ASME SB473

• Diameter: Custom sizes available

• Length: Random lengths or fixed cut lengths as required

• Surface Condition: Hot rolled / cold drawn, pickled

• Inspection Documents: Material test certificates, PMI reports as agreed

Quality Assurance 

Products can be supplied according to agreed specifications, with chemical composition verification, mechanical testing, dimensional inspection, surface examination, PMI and material traceability where required. Material certificates and additional inspection documentation are available according to the purchase order and applicable product requirements.

Contact our sales team today for a competitive quote, technical datasheet, or to discuss your custom forging requirements.