Alloy 20 Round Bars & Rods

Alloy 20 Round Bars & Rods for machining, forging and shaft work, available on MetalMitra in round, square and hex to ASTM B 473 / ASME SB 473, with mill-certified traceability on every lot.

This range covers round, square, hex and flat sections in bright, black, peeled or forged condition, ready for machine shops and component makers.

Alloy 20 (UNS N08020) was developed specifically to stand up to sulphuric acid. Alloy 20 (UNS N08020) is a niobium-stabilized nickel-iron-chromium alloy with copper and molybdenum, developed for excellent resistance to sulphuric acid and other aggressive chemical environments.

Product range

• Round Bars — Bright, black, peeled or centreless-ground rounds.
• Hex & Square Bars — Hex and square sections for turned and machined parts.
• Flat Bars — Flats for fabrication and general engineering.
• Forged & Hollow Bars — Forged bars, rings and hollow bars made to order.

Why engineers choose it

• Sulphuric Acid Resistance — Developed specifically for sulphuric acid service.
• Stress Corrosion Resistance — Good resistance to chloride stress corrosion cracking.
• Niobium Stabilized — Reduced risk of carbide precipitation during welding.
• Good Fabricability — Forms, machines and welds without fuss.

Where it is used

• Chemical Processing
• Sulphuric Acid Plants
• Pharmaceutical
• Petrochemical
• Pickling Equipment
• Food Processing
• Synthetic Fibre Plants
• Heat Exchangers
• Process Piping
• Storage Tanks
• Fabrication
• General Engineering

Inspection & paperwork

Suppliers on MetalMitra back Alloy 20 Round Bars & Rods with the checks and paperwork your QA team expects.

• Diameter & straightness inspection
• Visual and surface inspection
• Grade verification against the order
• Chemical composition verification
• Mechanical property testing
• Hardness testing as applicable
• Ultrasonic testing as applicable
• EN 10204 3.1 Mill Test Certificate

The MetalMitra advantage

• Checked sellers only — Every supplier profile is screened by MetalMitra before it goes live.
• Faster sourcing — Post one requirement and receive competitive offers without chasing calls.
• Paperwork sorted — MTC 3.1, test reports and TPI arranged as your project demands.
• Global logistics — Seaworthy packing and dispatch to project sites across the world.

Get a quote

Tell us the specification, quantity and destination you need for Alloy 20 Round Bars & Rods. MetalMitra connects you with suppliers who can deliver.

Technical note: Figures shown are indicative. Final acceptance should be based on the applicable standard, approved drawings and the MTC supplied with the material.