UNS R20033 Alloy Steel Sheet | UNS R20033 Strip

UNS R20033 Alloy Steel Plate Supplier | Specifications, Equivalent Materials, and Price

When you’re dealing with harsh chemical environments, you need a material that can stand up to the challenge without breaking the bank. UNS R20033 alloy steel plate, also known as Alloy 33, supplied by Gangsteel, is your go-to solution.

As a leading stainless steel supplier in China, Gangsteel delivers UNS R20033 plate, sheet, bar, and custom components that meet ASTM B709 and ASME SB-709 standards. Renowned for its exceptional UNS R20033 corrosion resistance in mixed acids like sulfuric, nitric, and hydrofluoric, this high-chromium super-austenitic alloy is perfect for chemical processing, fertilizer production, and pharmaceutical applications. This page dives into the UNS R20033 chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive UNS R20033 price per kg. Explore our nickel alloy steel grades for related alloys like UNS N06625, UNS N08031, and UNS N08028.

1. What is UNS R20033?

UNS R20033(Alloy 33) is a super-austenitic stainless steel designed to tackle the toughest corrosive environments. With high chromium (31.0-35.0%), nickel (30.0-32.0%), and nitrogen (0.35-0.60%), it offers outstanding resistance to pitting, crevice corrosion, and stress-corrosion cracking (SCC) in aggressive acids. Its low carbon content ensures excellent weldability, making UNS R20033 material ideal for chemical reactors, fertilizer equipment, and pulp/paper processing. Compared to UNS N08031, UNS R20033 has higher chromium for superior performance in oxidizing acids like nitric acid, with a pitting resistance equivalent number (PREN ~52).

Gangsteel’s UNS R20033 alloy steel plate is engineered for durability in corrosive settings, offering a cost-effective alternative to high-end alloys like UNS N06059 or UNS N10675.

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2. UNS R20033 Chemical Composition

The UNS R20033 chemical composition, compliant with ASTM B709, is fine-tuned to deliver top-tier corrosion resistance in mixed acid environments.

Note: The high chromium and nitrogen content give UNS R20033 a PREN of ~52, making it more resistant to oxidizing acids than UNS N08028, while its low carbon ensures weldability without sensitization.

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3. UNS R20033 Mechanical Properties

The UNS R20033 mechanical properties, tested per ASTM B709, strike a balance between strength and ductility, making UNS R20033 alloy steel plate a reliable choice for chemical and fertilizer applications.

Note: Solution annealing at 1100-1180°C (2012-2156°F) optimizes Alloy 33 mechanical properties for demanding applications. Contact Gangsteel for a detailed UNS R20033 technical data sheet.

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4. UNS R20033 Allowable Stress

The allowable stress values for UNS R20033, per ASME BPVC Section II, Part D, ensure safe performance in corrosive environments.

Note: These values ensure UNS R20033 material performs reliably in chemical reactors and heat exchangers under elevated temperatures.

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5. UNS R20033 Equivalent Materials

UNS R20033aligns with international standards for global compatibility.

Note: UNS R20033 equivalent grades comply with ASTM B709, offering interchangeability with UNS N08031 in high-corrosion applications.

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6. UNS R20033 vs UNS N08031, UNS N06625, and SS316

Choosing the right material can make or break your project. Here’s how UNS R20033 compares to UNS N08031, UNS N06625, and SS316:

• UNS R20033 vs UNS N08031: UNS R20033 shines in oxidizing acids like nitric acid due to higher chromium, while UNS N08031 is better for phosphoric/sulfuric acids with higher molybdenum.
• UNS R20033 vs UNS N06625: UNS N06625 handles higher temperatures and broader acid resistance, but UNS R20033 is more cost-effective for mixed acid applications.
• UNS R20033 vs SS316: UNS R20033 outperforms SS316 in aggressive acid environments but comes at a higher cost.

Conclusion: If you need a material for mixed acid environments in chemical processing, UNS R20033 alloy steel plate is your best bet. For phosphoric/sulfuric acids, consider UNS N08031. For high-temperature applications, go with UNS N06625, or choose SS316 for less demanding corrosion needs.

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7. UNS R20033 Specifications

Gangsteel provides UNS R20033 alloy steel plate, sheet, bar, and custom components to meet your project’s exact needs:

7.1 Plate and Sheet

• Thickness: 0.5 mm to 100 mm (plate), 0.1 mm to 6 mm (sheet)
• Width: 1000 mm to 3000 mm
• Length: 2000 mm to 12000 mm (or coiled for sheet)
• Surface Finish: Hot-rolled, cold-rolled, annealed, pickled, 2B, No.1, or customized
• Standards: ASTM B709, ASME SB-709
• Applications: UNS R20033 plate for chemical reactors, Alloy 33 sheet for heat exchangers

7.2 Bar

• Diameter: 6 mm to 500 mm
• Length: Up to 12000 mm
• Finish: Hot-rolled, cold-drawn, centerless ground
• Standards: ASTM B709, ASME SB-709 (for rod/bar forms, per similar standards)
• Applications: UNS R20033 bar for fittings and fasteners

7.3 Custom Components

• Types: Flanges (ASME B16.5), fittings, CNC-machined parts
• Tolerances: ±0.05 mm for precision components
• Applications: Tailored solutions for chemical and fertilizer industries

Note: Need a specific size or finish? Gangsteel offers custom solutions, including heat treatments like annealing at 1100-1180°C. Contact us for bespoke UNS R20033 material specifications.

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8. UNS R20033 Applications

UNS R20033is built for industries where corrosion is a constant threat. Key UNS R20033 applications include:

• Chemical Processing: UNS R20033 alloy steel plate for reactors and heat exchangers handling mixed acids.
• Fertilizer Production: Alloy 33 plate for equipment in aggressive acid environments.
• Oil and Gas: UNS R20033 bar for fittings in corrosive offshore platforms.
• Pulp and Paper: UNS R20033 sheet for bleach plant components.
• Pharmaceutical: Components for high-purity systems requiring corrosion resistance.

Note: Compared to UNS N08031, UNS R20033 excels in oxidizing acids, making it ideal for nitric acid environments.

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9. UNS R20033 Price per KG

The UNS R20033 price per kg ranges from USD 40-60 per kg (FOB), driven by:

• Alloy Content: High chromium (31.0-35.0%) and nitrogen increase costs compared to UNS N08031.
• Market Demand: Strong demand in chemical and fertilizer industries pushes Alloy 33 price.
• Product Form: UNS R20033 alloy steel plate may cost more than sheet due to processing complexity.
• Global Supply Chain: Freight and availability impact UNS R20033 cost.

For a precise UNS R20033 price per kg or bulk discounts, contact Gangsteel. We’ll work with you to meet your budget and project timeline.

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10. Related Alloy Steel Grades

Gangsteel offers a wide range of nickel alloy steel grades to complement UNS R20033 for various applications:

• UNS N06625: High strength for aerospace and nuclear applications.
• UNS N08031: Corrosion resistance for phosphoric/sulfuric acids.
• UNS N08028: Corrosion resistance for chemical processing.
• UNS N10675: Superior resistance to hydrochloric acid.
• UNS N06035: Resistance to phosphoric and nitric acids.
• UNS N06030: Resistance to phosphoric acid.
• UNS N06200: Resistance to sulfuric acid.
• UNS N10276: Broad resistance to reducing/oxidizing acids.
• UNS N06022: Resistance to oxidizing acids.
• UNS N06690: Corrosion resistance for nuclear applications.
• UNS N07718: High strength for aerospace.
• UNS N07750: Creep resistance for springs.
• UNS N06002: High-temperature strength for turbines.
• UNS N06075: Cost-effective for high-temperature aerospace uses.
• UNS N07080: High strength for aerospace and gas turbines.
• UNS N07263: Weldable for gas turbine applications.
• UNS N09901: High strength for aerospace components.
• UNS N08810: Oxidation resistance for industrial furnaces.
• UNS N08811: Enhanced creep resistance for high-temperature applications.
• UNS N06059: Corrosion resistance for chemical industries.
• UNS K93600: Low thermal expansion for precision components.
• UNS N08904: Corrosion resistance for chemical and marine applications.
• UNS S31254: High corrosion resistance for seawater applications.
• UNS N04400: Corrosion resistance for marine environments.
• UNS N05500: High strength for marine applications.

Note: These alloys complement UNS R20033 alloy steel plate in chemical, oil/gas, and corrosion-resistant applications. Contact Gangsteel for a full catalog to find the perfect fit for your project.

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11. Why Choose Gangsteel?

When you’re investing in materials like UNS R20033, you want a supplier you can trust to deliver quality, speed, and value. Here’s why Gangsteel stands out:

• Quality Assurance: Every UNS R20033 alloy steel plate meets ASTM B709 and ASME SB-709 standards, backed by EN 10204 3.1/3.2 certificates for peace of mind.
• Fast Delivery: Standard orders ship in 7-15 days, with expedited options to keep your project on track.
• Customization: Need a specific size or shape? We offer precision cutting (CNC, laser, waterjet), welding, and tailored heat treatments.
• Global Supply: We serve clients in Saudi Arabia, UAE, India, Europe, and beyond, ensuring reliable delivery wherever you are.
• Extensive Inventory: Choose from our wide range of nickel alloy steel grades, including UNS N06625 and UNS N08031.

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12. Conclusion

If you’re looking for a material that can handle the toughest corrosive environments without compromising on performance, UNS R20033 alloy steel plate from Gangsteel is the answer. Its high chromium and nitrogen content make UNS R20033 material a standout for chemical reactors, fertilizer plants, and pulp/paper applications, offering better resistance to oxidizing acids than UNS N08031. With versatile specifications (0.5-100 mm thickness, up to 3000 mm width) and equivalent grades (W.Nr. 1.4488, EN X1CrNiMoCuN33-31-1), Gangsteel delivers quality at a competitive UNS R20033 price per kg (USD 40-60/kg).

Contact Gangsteeltoday to get a quote for UNS R20033 price per kg or request a detailed Alloy 33 technical data sheet. Browse our nickel alloy steel grades to find the right material for your project needs!