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Industrial Steel Flanges
3000.0 INR/Unit
Product Details:
- Feature High strength, Corrosion resistance, Durable, Precise dimensions
- Purity High Purity Stainless Steel
- Application Industrial piping, Oil & gas, Chemical processing, Petrochemicals, Power plants
- Grade 304, 304L, 316, 316L, 321, 347, 904L
- Dimension (L*W*H) As per standard/custom requirement
- Product Type Steel Flanges
- Material Industrial Stainless Steel
- Click to view more
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Industrial Steel Flanges Price And Quantity
- 3000.0 INR/Unit
- 1 Unit
Industrial Steel Flanges Product Specifications
- Silver
- Industrial piping, Oil & gas, Chemical processing, Petrochemicals, Power plants
- High Purity Stainless Steel
- Round
- Polished
- 304, 304L, 316, 316L, 321, 347, 904L
- Industrial Stainless Steel
- ASME B16.5, ANSI, DIN, JIS, BS
- As per standard/custom requirement
- 150# to 2500#
- Welded, Screwed, Socket Weld
- 1/2 inch to 60 inch
- Steel Flanges
- High strength, Corrosion resistance, Durable, Precise dimensions
- Forged
- Wooden boxes, Cartons, Pallets
- Slip On, Weld Neck, Blind, Threaded, Lap Joint, Socket Weld
- Ultrasonic, Radiography, Hydrostatic, Physical & Chemical
- Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Product Description
Industrial Steel Pipe Flanges are forged, cast, or plate-machined mechanical connectors used to join pipes, valves, pumps, pressure vessels, and other piping equipment to form an accessible, sealed pipeline network.
1. Primary Structural Flange Types
| Type | Connection Method | Primary Operational Characteristics & Applications |
| Weld Neck (WN) | Butt-welded to pipe end. | Tapered hub absorbs stress; optimal for high pressure, high temperature, and cyclic thermal loads. |
| Slip-On (SO) | Double fillet-welded inside and out. | Slipped over pipe end; easier fit-up and alignment, lower initial material cost. |
| Blind (BL) | Bolted without a bore. | Solid disc used to terminate pipeline ends, manifold outlets, or pressure vessel nozzles. |
| Socket Weld (SW) | Fillet-welded inside socket. | Pipe inserted into recessed socket; standard for small-bore high-pressure lines ($text{NPS } le 2$). |
| Threaded (TH) | Screwed via NPT / BSP threads. | Non-welded connection; used in low-pressure utility lines or volatile/explosive environments. |
| Lap Joint (LJ) | Loose backing ring over stub end. | Rotates $360^circ$ for rapid bolt alignment; cost-effective when using exotic alloy stub ends. |
| Long Weld Neck (LWN) | Integrated extended neck. | Functions as an integral vessel or reactor nozzle, eliminating pipe-to-flange welds. |
2. Sealing Face Configurations
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Raised Face (RF): Features a $1.6text{ mm}$ or $6.4text{ mm}$ raised step with concentric machine serrations ($125text{--}250text{ AARH}$) to concentrate seating load on spiral-wound or flat gaskets.
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Ring Type Joint (RTJ): Features a precision annular groove that houses a solid metallic ring gasket (Type R, RX, or BX); used in extreme pressure service (Class 600 to 2500, API 5K15K).
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Flat Face (FF): Full flat surface across the face; used when mating against cast iron, plastic-lined, or lower-pressure equipment to prevent flange cracking during bolt tightening.
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Tongue & Groove (T&G) / Male & Female (M&F): Interlocking mating faces designed to retain the gasket in place under elevated pressure and prevent gasket blowout.
3. Global Dimensional & Rating Standards
| Standard Body | Standard Number | Size & Rating Range |
| ASME / ANSI | ASME B16.5 | $text{NPS } 1/2 text{ to } 24$ (Class 150, 300, 400, 600, 900, 1500, 2500) |
| ASME / ANSI | ASME B16.47 | $text{NPS } 26 text{ to } 60$ (Series A / MSS SP-44 & Series B / API 605) |
| European (EN) | EN 1092-1 | $text{DN } 10 text{ to } 4000$ (PN 2.5, 6, 10, 16, 25, 40, 63, 100, 160, 250, 400) |
| API (Petroleum) | API 6A / API 17D | Nominal sizes $1text{--}13/16'' text{ to } 21text{--}1/4''$ (2000, 3000, 5000, 10000, 15000 PSI) |
| British (BS) | BS 10 / BS 4504 | Table D, E, F, H / PN metric series |
| Japanese (JIS) | JIS B2220 | $5text{K}, 10text{K}, 16text{K}, 20text{K}, 30text{K}$ nominal pressure series |
4. Key Material Classifications & Specifications
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Carbon Steel: ASTM A105 / A105N (Ambient/High Temp), ASTM A36 (Plate), P250GH (EN).
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Low-Temperature Carbon Steel: ASTM A350 LF2 Class 1/2 (Impact tested down to $-46^circtext{C}$).
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High-Yield Carbon Steel: ASTM A694 (F42, F52, F60, F65, F70) for high-pressure cross-country transmission pipelines.
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Alloy Steel (Cr-Mo): ASTM A182 F1, F5, F9, F11, F12, F22, F91 (High-temperature steam and refining).
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Stainless Steel: ASTM A182 F304/304L, F316/316L, F321, F347 (Corrosion and chemical resistance).
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Duplex & Super Duplex: ASTM A182 F51 (UNS S31803), F53 (UNS S32750), F55 (Offshore sour service).
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Nickel Alloys: Inconel 625, Incoloy 825, Hastelloy C276, Monel 400 (Severe acid gas and marine environments).
5. Protective Surface Finishes
To prevent atmospheric corrosion during shipment and field storage, steel flanges receive functional surface coatings:
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Transparent / Yellow Anti-Rust Oil & Lacquer: Short-to-medium term indoor/outdoor protection; leaves heat numbers clearly visible.
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Black Anti-Rust Paint / Bituminous Varnish: Heavy barrier coating for long-distance marine transport.
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Hot-Dip Galvanized (HDG): Thick zinc layer ($>85 mutext{m}$) providing long-term atmospheric and underground corrosion resistance.
Engineered for Versatility and Performance
Available in a spectrum of sizes, shapes, and connection types, our industrial steel flanges are designed to integrate seamlessly with diverse piping systems. Whether you require welded, screwed, or socket weld connections, we adapt to your operational demands with precision.
Stringent Quality Assurance
Every flange undergoes comprehensive testing, including ultrasonic, radiography, hydrostatic, as well as physical and chemical assessments. These stringent checks ensure that our products consistently deliver high strength, durability, and purity, meeting the complex requirements of critical industries.
Tailored Solutions for Global Industries
Serving as a dealer, exporter, fabricator, and manufacturer from India, we cater to varied industry needs with standard or custom-dimension flanges. Secure wooden box, carton, and pallet packaging ensures products reach you safely-whether you are in oil & gas, power plants, or chemical processing.
FAQ's of Industrial Steel Flanges:
Q: How are your industrial steel flanges tested for quality and durability?
A: Our flanges undergo comprehensive testing, including ultrasonic, radiography, hydrostatic, and both physical and chemical analyses. These rigorous processes guarantee high strength, durability, and precise dimensions, ensuring the reliability of our products in demanding industrial environments.Q: What applications are your raised face, flat face, and ring type joint flanges suitable for?
A: These flanges are ideal for a wide range of industrial uses such as piping systems, oil and gas pipelines, chemical plants, petrochemical processes, and power plants, providing robust connections and corrosion resistance in both standard and critical applications.Q: When should I choose between slip on, weld neck, blind, or threaded flanges for my project?
A: The selection depends on your system's requirements: slip on flanges are easy to install for low-pressure lines, weld necks are best suited for high-pressure usage, blind flanges close off pipe ends, and threaded flanges are used where welding isn't practical, ensuring installation flexibility.Q: Where are your steel flanges manufactured and shipped from?
A: We manufacture and supply our high-quality stainless steel flanges from India, offering secure packaging in wooden boxes, cartons, or pallets to deliver both domestically and internationally, upholding safe and timely delivery standards.Q: What benefits does high purity stainless steel provide in your flanges?
A: High purity stainless steel enhances our flanges' corrosion resistance, mechanical strength, and longevity, which is crucial for harsh and corrosive industrial applications. This maintains optimal performance and reduces maintenance needs over time.Q: What standards and grades do your industrial flanges comply with?
A: Our flanges are manufactured in adherence to international standards such as ASME B16.5, ANSI, DIN, JIS, and BS, and are available in several stainless steel grades including 304, 304L, 316, 316L, 321, 347, and 904L, fulfilling a wide spectrum of industry specifications.Q: How can I request custom-dimension flanges or specialized packaging for my order?
A: We accommodate both standard and custom dimension requirements. Customers can specify their sizing and packaging preferences-whether cartons, wooden boxes, or pallets-when placing an order to ensure a perfect fit and safe transportation for their particular application.Tell us about your requirement
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JAYANT IMPEX
GST : 27AAQFJ5764L1ZJ
GST : 27AAQFJ5764L1ZJ
- 6th, 605, Majestic Shopping Center, Jagannath Shankarseth Road, Girgaon,Mumbai - 400004, Maharashtra, India
- Phone : 08045800544
- Mr Shrenik Prakash Mehta (Director)
- Mobile : 08045800544
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jayantimpex12@gmail.com
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