Alloy 31 Supplier, Manufacturer & Exporter in India – DIPTI METAL

DIPTI METAL is a trusted Alloy 31 supplier in India, delivering high-quality corrosion-resistant products including pipes, tubes, sheets, plates, round bars, fittings, flanges, valves, fasteners, and gaskets for industrial use. With ready stock and export capabilities, we supply globally to demanding sectors like chemical, marine, fertilizer, and energy.

What is Alloy 31?

Alloy 31 (UNS N08031 / W.Nr 1.4562) is a high-performance austenitic stainless steel with exceptional resistance to acidic environments, especially sulfuric and phosphoric acids. It offers excellent mechanical strength, pitting resistance, and stress corrosion cracking resistance, making it ideal for harsh operating conditions.

Product Range – Alloy 31:

• Pipes and Tubes – Seamless & Welded
• Sheets and Plates – Hot Rolled & Cold Rolled
• Round Bars – Annealed & Precision Cut
• Buttweld Fittings – Elbows, Tees, Reducers, End Caps
• Forged Fittings – Socket Weld, Threaded Types
• Flanges – WNRF, SORF, RTJ, Blind, Lap Joint
• Gaskets – Spiral Wound, Ring Type Joint, Graphite
• Industrial Valves – Gate, Globe, Check, Ball
• Fasteners – Studs, Bolts, Nuts, Washers, Screws

Standards & Specifications:

• Grade: Alloy 31 / UNS N08031 / DIN 1.4562
• Specifications: ASTM B622, B625, B366, B564
• Size Range: ½” NB to 24” NB and custom specs
• Forms: Seamless, Welded, Hot Rolled, Cold Drawn
• Certifications: ISO 9001:2015, EN 10204 3.1/3.2, TUV, SGS

Applications of Alloy 31:

• Fertilizer & Phosphoric Acid Plants
• Chemical & Petrochemical Processing
• Pulp & Paper and Bleaching Equipment
• Seawater Cooling and Marine Structures
• Flue Gas Desulfurization Units

Why Choose DIPTI METAL?

• Over 25 Years of Experience in Alloy Supply
• ISO-Certified Quality with Competitive Pricing
• Large Inventory with Global Export Capabilities
• Third-Party Inspection (TPI) from SGS, TUV, BV
• Custom Cut Sizes, Immediate Dispatch & Export Docs

Looking for a reliable Alloy 31 supplier in India? DIPTI METAL is your one-stop solution for certified Alloy 31 components with full traceability and international delivery support.

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Frequently Asked Questions (FAQs)

Is Alloy 31 better than Alloy 904L or Alloy 625?

Alloy 31 offers improved corrosion resistance compared to 904L and is more cost-effective than Alloy 625 in certain applications. It bridges the gap between stainless steels and higher-end nickel alloys.

Do you provide Alloy 31 with third-party inspection and certification?

Yes, we offer complete Mill Test Certificates (EN 10204 3.1/3.2) and third-party inspections (TPI) from agencies like SGS, BV, and TUV.

Are Alloy 31 bars and tubes available in custom lengths?

Absolutely. We offer Alloy 31 products in standard and custom dimensions tailored to project needs with quick dispatch and export-ready packaging.