Super Duplex Steel F55 Flanges | ASTM A182 F55 Flanges | Super Duplex Steel F55 Blind Flanges | UNS S32760 Flanges | 1.4501 Super Duplex Steel F55 Weld Neck Flanges | Super Duplex Steel F55 Flanges Supplier in Mumbai, India.
Super Duplex Steel F55 Flanges | ASTM A182 Super Duplex Steel F55 Flanges Stockist | Super Duplex Steel F55 Flanges Manufacturer | Super Duplex Steel F55 Flanges Exporter | Super Duplex Steel F55 Flanges Supplier in India.

Labh Steel is a leading Manufacturer and Exporter of Super Duplex Steel F55 Flanges in Mumbai, India. Our flanges are fabricated using high-quality raw materials, ensuring exceptional strength, durability, and resistance to corrosion. We offer a comprehensive range of Super Duplex Steel F55 Flanges, including Blind Flanges, Slip-On Flanges, Weld Neck Flanges, Socket Weld Flanges, and more. Custom specifications are available to meet specific client needs.
Super Duplex F55 (UNS S32760) Flanges are known for their outstanding resistance to stress corrosion cracking, pitting, and crevice corrosion. These flanges contain 25% chromium, 4% molybdenum, and 7% nickel, providing superior mechanical strength and excellent performance in challenging environments. They are widely used in industries such as petrochemical, chemical processing, offshore oil & gas, and marine applications.
Labh Steel’s Super Duplex F55 Flanges are manufactured to meet ASTM A182 and other international standards, ensuring consistent quality and reliability. Our flanges are extensively used in high-pressure and high-temperature applications, providing secure and leak-proof connections. With a focus on quality, we cater to various sectors including Power Generation, Oil & Gas, Marine, and Fertilizer industries.
SPECIFICATION :
Category | Details |
Standard | ASTM A182 / ASME A182, DIN and AMS Standards |
OD Range | 3mm to 1500mm OD, 6NB to 900NB |
Class | Class 150, Class 300, Class 600, Class 900, Class 1200, Class 1500 |
Thickness | As per Customer Needs |
Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
Flange Type | Slip On, Threaded, Blind, Lapjoint, PN Flange, Welneck, Socket Weld, Spectacle Blind |
Finish | Bright and Black |
Applications | Aerospace, Defence, Marine, Pharmaceuticals, Food Processing, Medical, Automotive, Chemical, Heat Exchanger, Oil and Gas |
GRADE SPECIFICATION :
Super Duplex Steel | Tradename | UNS no. | Werkstoff No. |
F55 | F55 Stainless | S32760 | 1.4501 |
CHEMICAL COMPOSITION :
Element | C | Mn | P | S | Si | Cr | Ni | Mo | Nitrogen | Cu |
---|---|---|---|---|---|---|---|---|---|---|
Composition | 0.030 max | 1.00 max | 0.030 max | 0.010 max | 1.00 max | 24.0-26.0 | 6.0-8.0 | 3.0-4.0 | 0.20-0.30 | 0.50-1.0 |
MECHANICAL PROPERTIES :
UTS min (MPa) | Yield Strength min (MPa) | Elongation on 50mm (%) | Reduction of Area | Hardness |
---|---|---|---|---|
min 760 MPa | min 550 MPa | min 25% | - | 310 bhn max |
PHYSICAL PROPERTIES :
Property | Value |
Density (Kg/m³) | 7810 |
Magnetic Permeability (20°C) | 33 |
Young’s Modulus (kN/mm²) | 199 |
Specific Electrical Resistance, 20°C (Ω-m) | 0.80 |
Mean Coefficient of Thermal Expansion, 20-100°C (m/m/°C) | 11.1 x 10⁻⁶ |
Specific Heat, 20°C (J/kg·K) | 475 |
Thermal Conductivity, 20°C (W/m·K) | 14.2 |
Fracture Toughness, kQ (MPa/m²) | 98 |
Labh Steel Supplies Super Duplex Steel F55 Flanges in Agartala, Agra, Agra Rampur, Ahmedabad, Aizawl, Ajmer, Aligarh, Allahabad, Alwar, Amaravati, Ambala, Ambattur, Ambernath, Amravati, Amritsar, Aurangabad, Bangalore, Bareilly, Belgaum, Bhagalpur, Bhavnagar, Bhilai, Bhiwandi, Bhopal, Bhubaneswar, Bidhannagar, Biharsharif, Bikaner, Bilaspur, Bokaro, Chandigarh, Chennai, Chittoor, Coimbatore, Cuttack, Dahod, Davanegere, Dehradun, Delhi, Dhanbad, Dharamsala, Dindigul, Diu, Durgapur, Erode, Faridabad, Fatehpur, Gandhidham, Gandhinagar, Ghaziabad, Greater Hyderabad, Greater Mumbai, Greater Warangal, Gurgaon, Guwahati, Gwalior, Haldia, Howrah, Hubballi-Dharwad, Hyderabad, Imphal, Indore, Jabalpur, Jaipur, Jalandhar, Jammu, Jamnagar, Jamshedpur, Jhansi, Jodhpur, Junagadh, Kakinada, Kalyan-Dombivali, Kanpur, Karnal, Kavaratti, Kochi, Kohima, Kolhapur, Kolkata, Kota, Lucknow, Ludhiana, Madurai, Mehsana, Mangalore, Mangaluru, Mira-Bhayandar, Moradabad, Morbi, Mumbai, Muzaffarpur, Mysore, Nagpur, Namchi, Nasik, Navi Mumbai, NDMC, Nellore, New Delhi, New Town Kolkata, Noida, Oulgaret, Pali, Panaji, Panipat, Panvel, Pasighat, Patiala, Patna, Pimpri-Chinchwad, Port Blair, Puducherry, Pune, Raipur, Rajkot, Ranchi, Raurkela, Industrial Township, Rourkela, Sagar, Salem, Satna, Secunderabad, Shaharanpur, Shillong, Siliguri, Silvassa, Solapur, Srinagar, Surat, Thane, Thanjavur, Thiruvananthapuram, Thoothukudi, Thrissur, Tiruchirapalli, Tirunelveli, Tirupur, Tumkur, Udaipur, Ujjain, Ulhasnagar, Vadodara, Vapi, Varanasi, Vasai-Virar, Vellore, Vishakhapatnam.
Labh Steel exports Super Duplex Steel F55 Flanges to Countries like India, United States, United Arab Emirates, Canada, Pakistan, Peru, Chile, Spain, France, United Kingdom, Indonesia, Israel, Iran, Kuwait, Mexico, Malaysia, Nigeria, Serbia, Singapore, Taiwan, Chile, Venezuela, Ecuador, Saudi Arabia, Netherlands, Brazil, Colombia, Ghana, Iran, Denmark, Poland, Australia, Afghanistan, Bahrain, Costa Rica, Egypt, Iraq, Jordan, South Korea, Kazakhstan, Sri Lanka, Lithuania, Norway, Oman, Philippines, Poland, Qatar, Russia, Vietnam, South Africa, Nigeria, Mexico, Turkey, Hungary, Algeria, Angola, Argentina, Austria, Azerbaijan, Bangladesh, Belarus, Belgium, Bhutan, Bolivia, Bulgaria, Croatia, Czech Republic, Estonia, Finland, Greece, Italy, Japan, Libya, Romania, Thailand, Trinidad & Tobago,Tunisia, Ukraine, Yemen, Hong Kong, Gabon, China, Portugal, Switzerland, New Zealand, Sweden, Slovakia, Kenya, Lebanon, Morocco, Mongolia.
For further enquiries related to SUPER DUPLEX STEEL F55 Flanges kindly get back to us on :- labhsteel@yahoo.co.in or contact us on +91 9869609924




