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Stainless Steel 430 Flanges — Ferro Fittings and Alloys

Stainless Steel 430 Flanges are essential components in various piping systems, known for their corrosion resistance and durability. This specific grade of stainless steel is widely used in applications requiring moderate strength and good oxidation resistance. Manufactured and exported by Ferro Fittings and Alloys in Mumbai, these flanges are designed to meet the demands of diverse industries while ensuring high-quality performance and reliability.

The production of Stainless Steel 430 Flanges adheres to rigorous standards including ASTM A182, ASME B16.5, and EN 1092-1. These flanges are available in various sizes ranging from DN 10 to DN 1200 (NPS ½ to NPS 48) and can handle pressure ratings from Class 150 to Class 2500, or PN10 to PN400. They can operate effectively within a temperature range of -50°C to 600°C and come with various end connections such as raised face, flat face, and ring type joint configurations, demonstrating our commitment to quality and precision engineering.

These flanges find applications across multiple sectors, including Oil & Gas, Petrochemical, Chemical, Power, Pharmaceutical, Shipbuilding, and Water Treatment industries. They are widely utilized in projects across the UAE, Saudi Arabia, Qatar, the UK, and the USA, particularly in Engineering, Procurement, and Construction (EPC) projects, Lump Sum Turn Key (LSTK) contracts, and maintenance operations, showcasing their versatility and reliability in critical applications.

Ferro Fittings and Alloys is proud to be ISO 9001:2015 certified, ensuring that our manufacturing processes meet the highest quality standards. We provide EN 10204 3.1 / 3.2 Mill Test Certificates to guarantee the integrity of our products. Our in-house testing capabilities include PMI, Hydrostatic, Hardness, Impact (Charpy), UT, and LPT, ensuring that our flanges comply with NACE MR 0175 / ISO 15156 standards for sour service applications. Request a free MTC sample or get a quick quote via WhatsApp.

Choosing Ferro Fittings means opting for competitive lead times of just 2–4 weeks, with no minimum order quantity restrictions and excellent stock availability. We offer shipping terms such as FOB Mumbai, CIF, and CFR, complete with all necessary export documentation. For inquiries, please contact us at +91-86550-39959, reach us on WhatsApp at wa.me/+918655039959, or email us at sales@ferrofittings.com.

Stainless Steel 430 Flanges manufacturer supplier exporter India - Ferro Fittings and Alloys
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Global Delivery & Export Assurance

Trusted manufacturer & exporter of Flanges, Pipe Fittings and Valves in 30+ countries.

⏱ Fast Production Time

1–4 weeks depending on size, grade & quantity.

Urgent and bulk orders handled efficiently.

📦 Flexible Delivery Terms

FOB, CIF, CFR, EXW, DDP (Incoterms 2020).

Door-to-port and door-to-door delivery available.

✈ Worldwide Shipping

Sea Freight / Air Cargo / Express Courier.

Complete export documentation & tracking support.

Request Export Pricing for Stainless Steel 430 Flanges

Trusted by EPC contractors, procurement teams, and global industrial buyers across multiple countries for certified supply and reliable delivery.

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Competitive Manufacturer Pricing

Direct supply with bulk stock availability to reduce your overall project cost.

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Certified Quality Products

ISO 9001, ISO 14001, ISO 45001, PED certified with full test certificates.

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Export-Ready Packaging

Safe, sea-worthy packaging ensuring damage-free international delivery.

Bulk Stock Available 10+ Years Industry Experience Global Export Network Timely Delivery Assurance

Why Choose Ferro Fittings and Alloys for Stainless Steel 430 Flanges

Selecting the right partner for Stainless Steel 430 Flanges is critical for ensuring product quality, long-term performance, and successful project execution. As a trusted manufacturer and exporter, Ferro Fittings and Alloys delivers high-quality materials meeting international standards and global industry requirements.

  • Direct Manufacturer Advantage – Factory-direct supply ensures better pricing, quality control, and consistent product availability.
  • Export Expertise – Extensive experience in global shipping with complete documentation and compliance for international markets.
  • International Standards Compliance – Products manufactured as per ASTM, ASME, ANSI, EN, and ISO standards with full certification.
  • Strict Quality Assurance – Advanced manufacturing processes and multi-stage inspections to ensure defect-free products.
  • Inspection & Documentation – Mill Test Certificates (MTC), third-party inspection (TPI), and export documentation included.
  • Reliable Supply & Fast Delivery – Ready stock with dependable lead times for bulk and urgent project requirements.
  • Global Industry Applications – Trusted across oil & gas, petrochemical, power generation, construction, and heavy engineering sectors.

Comparison Guide for Stainless Steel 430 Flanges

Understand the key differences between local suppliers, trading companies, and professional manufacturers & exporters like Ferro Fittings and Alloys.

Evaluation Factor Small Local Suppliers Trading Companies Ferro Fittings and Alloys
Manufacturing Control Limited or outsourced production Dependent on third-party mills Direct manufacturing with strict quality control
Standards Compliance Basic or local standards Varies depending on supplier ASTM, ASME, ANSI, EN, ISO certified products
Inspection & Certification Limited documentation Inconsistent certification MTC, TPI, and full export documentation provided
Export Capability Mostly domestic supply Moderate export handling Global exports with complete logistics support
Delivery Reliability Uncertain timelines Depends on sourcing chain Consistent lead times with ready stock availability
Project Risk Level High Medium Low

Features of Stainless Steel 430 Flanges

  • ✔ Manufactured in accordance with ASTM A182 and ASME B16.5 standards
  • ✔ Available in various sizes ranging from 1/2" to 48" in diameter
  • ✔ Pressure rating options up to 1500 PSI, suitable for a wide range of applications
  • ✔ Corrosion-resistant, ideal for moderate to high-temperature environments
  • ✔ Offers a hardness range of 150-220 HB, ensuring durability
  • ✔ Quick delivery with standard lead times of 2-4 weeks and urgent orders accommodated
  • ✔ No minimum order quantity, allowing for flexible purchasing
  • ✔ Certified with ISO 9001:2015, ensuring quality assurance

Technical Overview of Stainless Steel 430 Flanges

ProductCompositionStandardApplication
Stainless Steel 430 FlangesFe, 16% Cr, 0.12% C, 1% Mn, 1% Si, 0.04% P, 0.03% SASTM A240, ASME SA240Used in automotive, kitchenware, and various industrial applications
Stainless Steel 430 FlangesFe, 16% Cr, 0.12% C, 1% Mn, 1% Si, 0.04% P, 0.03% SDIN 1.4016Corrosion-resistant applications, particularly in mildly corrosive environments
Stainless Steel 430 FlangesFe, 16% Cr, 0.12% C, 1% Mn, 1% Si, 0.04% P, 0.03% SJIS G4304Manufacturing of exhaust systems and heat exchangers

Ferro Fittings and Alloys specializes in producing high-quality Stainless Steel 430 Flanges, ensuring compliance with international standards such as ASTM, ASME, and DIN. Our flanges are characterized by their excellent corrosion resistance, making them suitable for various applications, including automotive, kitchenware, and industrial uses. We maintain stringent quality control measures, offering Material Test Certificates (MTC) and in-house testing such as PMI and hardness tests. With a lead time of just 2–4 weeks and no minimum order quantity restrictions, we are well-equipped to meet urgent requirements. Stock is available for quick delivery. Contact us for a quick quote or request a free sample MTC today!

Specifications of Stainless Steel 430 Flanges

MaterialStainless Steel 430
GradesASTM A182 Grade F430
StandardANSI/ASME B16.5
Size Range1/2" to 24"
Pressure RatingClass 150 to Class 300
Surface FinishMill Finish or Polished
End ConnectionWeld Neck, Slip-On, Blind, Socket Weld
FormFlat, Raised Face, and Ring Type Joint

Available Grades of Stainless Steel 430 Flanges

Grade / UNSCommon NameKey FeatureTypical Application
430 / S43000Stainless Steel 430Good corrosion resistance and formabilityKitchen equipment, automotive trim, and appliances
430F / S43020Stainless Steel 430FImproved machinabilityFasteners and components requiring high precision machining
430Ti / S43035Stainless Steel 430TiStabilized with titanium for enhanced corrosion resistanceApplications in high-temperature environments
430LX / S43043Stainless Steel 430LXLow carbon content for better weldabilityWelded structures and components
430N / S43080Stainless Steel 430NEnhanced strength due to nitrogen additionStructural applications requiring higher strength

Available Sizes of Stainless Steel 430 Flanges

Size / DNPressure ClassWall ThicknessLength
151502.0 mm150 mm
201502.0 mm150 mm
251502.5 mm150 mm
321502.5 mm150 mm
401503.0 mm150 mm
501503.0 mm150 mm

Chemical Composition of Stainless Steel 430 Flanges

ElementMin (%)Max (%)
Chromium (Cr)16.0018.00
Nickel (Ni)0.000.50
Manganese (Mn)0.601.00
Carbon (C)0.120.20
Silicon (Si)0.501.00
Phosphorus (P)0.0400.040
Sulfur (S)0.0300.030

Mechanical Properties of Stainless Steel 430 Flanges

PropertyValueUnitTest Standard
Yield Strength (0.2% Proof Stress)170MPaASTM A240
Tensile Strength450MPaASTM A240
Elongation in 50mm40%ASTM A240
Hardness (Brinell)170HBASTM A240
Modulus of Elasticity200000MPaASTM A240

Physical & Thermal Properties of Stainless Steel 430 Flanges

PropertyValue (Metric)Value (Imperial)
Density7.75 g/cm³0.28 lb/in³
Melting Point1425 - 1510 °C2600 - 2750 °F
Specific Heat500 J/(kg·K)0.12 BTU/(lb·°F)
Thermal Conductivity25.4 W/(m·K)17.5 BTU/(hr·ft·°F)
Electrical Resistivity0.72 µΩ·m0.72 µΩ·in

Equivalent Grades of Stainless Steel 430 Flanges

StandardGradeUNSWerkstoff Nr.BS
AISI430S430001.4016BS 1449
ASTM430S430001.4016BS 1449
EN1.4016S430001.4016BS 1449

Manufacturing Process of Stainless Steel 430 Flanges

Raw Material Inspection

At Ferro Fittings and Alloys, the raw materials used for manufacturing Stainless Steel 430 Flanges are subjected to rigorous inspection. We ensure that all materials comply with ASTM A240 standards, which specify the requirements for stainless steel plates, sheets, and strip for pressure vessels and for general applications. Our in-house Positive Material Identification (PMI) testing guarantees the chemical composition of the raw materials, ensuring they meet the required specifications before fabrication.

Forming & Fabrication

The forming and fabrication of Stainless Steel 430 Flanges are executed using advanced techniques such as CNC machining and hydraulic pressing. Our flanges are available in various dimensions, including standard sizes like 1/2" to 24" in diameter, and can be manufactured in different thicknesses, typically ranging from 5mm to 30mm. The fabrication process adheres to ASME B16.5 standards to ensure precise dimensions and tolerances, providing a perfect fit for your piping systems. Contact us for a quick quote on custom sizes and specifications!

Heat Treatment

ProcessTemperature (°C)MediumPurpose
Annealing800-850AirTo relieve stresses and improve ductility
Quenching1000-1100WaterTo enhance hardness and strength

Quality Inspection & Testing

Our quality inspection process for Stainless Steel 430 Flanges includes a series of tests to ensure compliance with international standards such as EN 10204 3.1 and 3.2. We conduct hardness testing, hydrostatic testing, and impact testing (Charpy) to verify the mechanical properties. Additionally, we perform Non-Destructive Testing (NDT) methods like Ultrasonic Testing (UT), Liquid Penetrant Testing (LPT), and Magnetic Particle Testing (MPT) to ensure the integrity of the flanges. Our commitment to quality is backed by ISO 9001:2015 certification, ensuring that our products meet the highest standards. Request a free sample MTC today!

Various Types of Stainless Steel 430 Flanges

Stainless Steel 430 Slip-On Flanges
  • Size Range: 1/2" to 24"
  • Pressure Rating: Class 150 to Class 300
  • Standards: ASTM A182, ASME B16.5
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Stainless Steel 430 Weld Neck Flanges
  • Size Range: 1" to 30"
  • Pressure Rating: Class 150 to Class 600
  • Standards: ASTM A240, ASME B16.47
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Stainless Steel 430 Blind Flanges
  • Size Range: 1" to 36"
  • Pressure Rating: Class 150 to Class 300
  • Standards: ASTM A182, ASME B16.5
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Stainless Steel 430 Socket Weld Flanges
  • Size Range: 1/2" to 4"
  • Pressure Rating: Class 3000 to Class 6000
  • Standards: ASTM A182, ASME B16.11
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Stainless Steel 430 Ring Type Joint Flanges
  • Size Range: 1" to 12"
  • Pressure Rating: Class 150 to Class 2500
  • Standards: ASTM A105, ASME B16.20
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Stainless Steel 430 Orifice Flanges
  • Size Range: 2" to 12"
  • Pressure Rating: Class 150 to Class 300
  • Standards: ASTM A182, ASME B16.36
Get Best Price

Latest Price of Stainless Steel 430 Flanges

GradeSize / DimensionPrice (USD/Kg)Price (INR/Kg)
SS 4301/2" (15 mm)$4.50₹370
SS 4301" (25 mm)$4.20₹345
SS 4302" (50 mm)$4.00₹330
SS 4304" (100 mm)$3.80₹310

Note: Prices are indicative and subject to change based on quantity, raw material costs, and delivery terms. Contact us for the latest quotation.

Cities We Supply Stainless Steel 430 Flanges in India

Our multiple locations and strong logistics network make it easy for customers across India to source Stainless Steel 430 Flanges from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.

  • Mumbai
  • New Delhi
  • Ahmedabad
  • Surat
  • Jaipur
  • Gandhinagar
  • Pune
  • Chennai
  • Bengaluru
  • Hyderabad
  • Jamnagar
  • Rajkot
  • Kolkata
  • Ludhiana
  • Cochin
  • Bhopal
  • Bharuch
  • Bhiwandi
  • Visakhapatnam
  • Bhubaneswar
  • Raipur
  • Durgapur
  • Panipat
  • Nagpur

Countries We Export Stainless Steel 430 Flanges

Ferro Fittings and Alloys exports Stainless Steel 430 Flanges to 50+ countries worldwide. We handle all export documentation, sea-worthy packaging, and logistics to ensure on-time, damage-free delivery anywhere in the world.

  • UAE
  • Saudi Arabia
  • Qatar
  • Oman
  • Kuwait
  • Bahrain
  • United Kingdom
  • Germany
  • Netherlands
  • France
  • Italy
  • Spain
  • United States
  • Canada
  • Australia
  • Singapore
  • Malaysia
  • Japan
  • Turkey
  • South Africa
  • Nigeria
  • Bangladesh
  • Sri Lanka
  • Venezuela

Frequently Asked Questions

Our Stainless Steel 430 Flanges adhere to several international standards, including ASTM, ASME, ANSI, DIN, BS, JIS, MSS, and NACE MR 0175. This ensures high quality and compatibility across various applications. For more details, feel free to contact us!

We offer Stainless Steel 430 Flanges in a range of sizes from 1/2 inch to 24 inches in diameter. Custom sizes can also be manufactured based on specific requirements. Contact us for a quick quote on the sizes you need!

Our Stainless Steel 430 Flanges come with ISO 9001:2015 certification, as well as PED 97/23/EC and AD 2000-Merkblatt certifications. We also provide EN 10204 3.1 / 3.2 Material Test Certificates upon request. For more information, email us at sales@ferrofittings.com.

The standard lead time for our Stainless Steel 430 Flanges is typically 2 to 4 weeks. We can also accommodate urgent orders to meet your project deadlines. For urgent requests, please reach out via WhatsApp at wa.me/+918655039959.

We export Stainless Steel 430 Flanges to over 50 countries, including the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, the UK, USA, Germany, Netherlands, Australia, Singapore, Malaysia, South Korea, and Japan. For specific inquiries about your region, contact us!

Our Stainless Steel 430 Flanges undergo rigorous in-house testing, including PMI, hardness, hydrostatic, impact (Charpy), radiography, ultrasonic testing (UT), liquid penetrant testing (LPT), and magnetic particle testing (MPT). This ensures the highest quality and reliability. For a detailed report, feel free to request a sample MTC.

We have no minimum order quantity restriction for our Stainless Steel 430 Flanges; you can order as few as one piece. This flexibility allows us to cater to both large projects and smaller needs. Contact us for your specific requirements!

To receive a quote for our Stainless Steel 430 Flanges, you can call us at +91-86550-39959 or email us at sales@ferrofittings.com. We are committed to providing prompt responses to all inquiries. Don't hesitate to reach out for your specific needs!

Request a Quote for Stainless Steel 430 Flanges

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About Ferro Fittings and Alloys

Ferro Fittings and Alloys is a leading ISO 9001:2015 certified manufacturer, supplier, and exporter of high-quality pipe fittings, valves, flanges, round bars, sheets, plates, pipes, tubes, and expansion bellows. Based in Mumbai, India, we serve industrial sectors including oil & gas, petrochemical, power generation, pharmaceuticals, marine, and construction.

We supply a comprehensive range of grades — Stainless Steel, Duplex & Super Duplex, Carbon Steel, Alloy Steel, Inconel, Hastelloy, Monel, Titanium, Nickel, and Nimonic Alloys — to customers in 50+ countries. Our products are manufactured as per ASTM, ASME, ANSI, MSS, BS, DIN, and EN standards with EN 10204 3.1/3.2 Mill Test Certificates.

📍 Address: 6th Kumbharwada, Shop No. 154, Near Alankar Cinemas, Mumbai 400 004

📞 Mr. Aashit Shah: +91 86524 99959

📞 Mr. Bhavin Shah: +91 86550 39959

Countries We Export To

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