Full Material Traceability
Every order of Alloy 20 ships with a complete set of original Mill Test Reports, with traceability not only to the manufacturer but to the origin of the material.
Carpenter 20® (Alloy 20) · UNS N08020
Nickel-Iron-Chromium alloy developed specifically for outstanding resistance to sulfuric acid. Fast, certified delivery from our Houston service center to Robinson and the surrounding region.
☎ 713-570-4900Why Alloy 20
Exceptional resistance to hot sulfuric acid across a wide concentration range
Resistance to pitting, crevice corrosion and chloride stress-corrosion cracking
Niobium stabilization for resistance to intergranular attack after welding
P.A. Inc. — High Nickel Alloy & Specialty Stainless Steel Pipe Material Service Center serving Robinson, Illinois
Where It’s Used
Robinson’s chemical processing, pharmaceutical, plastics operations rely on Alloy 20 (Carpenter 20® (Alloy 20), UNS N08020) where performance under demanding conditions is non-negotiable. Typical applications include:
Sulfuric acid production and handling
Pharmaceutical and plastics processing
Pickling tanks and acid mixing equipment
Food, dye and synthetic-material production
Contact Us Today For Fast Delivery To Robinson, Illinois
Every order of Alloy 20 ships with a complete set of original Mill Test Reports, with traceability not only to the manufacturer but to the origin of the material.
Nominally 32–38% nickel, 19–21% chromium, 2–3% molybdenum and 3–4% copper, stabilized with niobium against intergranular corrosion.
In-house certified technicians and a qualitative specification-assurance process that is second to none back every shipment leaving our Houston facility.
Across southeastern Illinois, regional pipeline infrastructure keeps demand high for alloys that perform under pressure, heat, and corrosion. That is where Alloy 20 (Carpenter 20® (Alloy 20)) earns its place, and where P.A. Inc. supplies Robinson with certified pipe, fittings, and flanges.
The reason Robinson engineers keep coming back to Alloy 20 comes down to its metallurgy — exceptional resistance to hot sulfuric acid across a wide concentration range and resistance to pitting, crevice corrosion and chloride stress-corrosion cracking. In demanding refining service, those properties are the difference between a component that lasts a campaign and one that fails early.
Our Robinson customers put Alloy 20 to work across the demanding end of process service: sulfuric acid production and handling, pharmaceutical and plastics processing, pickling tanks and acid mixing equipment, and food, dye and synthetic-material production. Because P.A. Inc. fabricates locally in Houston, we can turn butt-weld fittings, flanges, and custom spools to the exact schedule and end-prep a Robinson turnaround crew needs — and deliver to Palestine, Oblong, and Flat Rock and the surrounding region without the freight time of pulling material from out of state.
For Robinson buyers working to tight ASME and API documentation standards, paperwork matters as much as metal. That’s why every order of Alloy 20 ships with complete, original Mill Test Reports and full heat traceability — backed by a service center that answers the phone around the clock.
If your Robinson operation needs Alloy 20 Pipe & Fittings — whether it’s a single spool for an emergency repair or a full material package for a planned outage — call P.A. Inc. at 713-570-4900 for pricing, availability, and certified documentation.
Our Clients Believe In Us
This company is a Maintenance Planner’s Dream! If all of the dozens of companies that I do business with could operate as effectively as PA Inc, then my day would be a breeze. TOP NOTCH PROFESSIONALS!Paul Slater
P.A. Inc. stocks and custom-fabricates Alloy 20 (UNS N08020) pipe, fittings and flanges for delivery throughout Illinois. Call now for pricing, availability and Mill Test Reports.