Labh Steel is a trusted manufacturer and exporter of F51 Duplex Stainless Steel Buttweld Fittings. Designed to offer exceptional strength and resistance to corrosion, these fittings are manufactured according to ASTM A815 and ASME SA815 standards, ensuring durability and reliability in high-pressure and high-temperature environments.
Our product range includes Elbows, Tees, Crosses, Reducers, End Caps, Stub Ends, and Bends, available in both Seamless and Welded forms. These fittings are widely used in industries such as oil and gas, petrochemicals, power plants, marine engineering, and more. F51 Duplex Stainless Steel Buttweld Fittings offer superior mechanical properties and are ideal for use in corrosive environments, ensuring long-term performance and safety.
We provide customized solutions, offering fittings in various sizes, thicknesses, and specifications to meet the unique requirements of our clients. Whether it’s for large-scale industrial applications or specialized projects, our buttweld fittings deliver unmatched quality and reliability.
Grade : | S31803 / Duplex Steel F51 |
Standard : | ASTM A403 |
Size : | 1/2" to 36" |
Form : | Elbow, Tee, Reducer, Stub End |
Schedule : | Sch 5 TO Sch XXS. |
Duplex Steel | Tradename | UNS no. | Werkstoff No. |
F51 | F51 Duplex Steel | S31803 | 1.4462 |
Element | Content (%) |
Iron, Fe | Balance |
Chromium, Cr | 21.0 - 23.0 |
Nickel, Ni | 4.5 - 6.5 |
Molybdenum, Mo | 2.5 - 3.5 |
Nitrogen, N | 0.08 - 0.20 |
Carbon, C | ≤ 0.030 |
Manganese, Mn | ≤ 2.00 |
Silicon, Si | ≤ 1.00 |
Phosphorus, P | ≤ 0.030 |
Sulfur, S | ≤ 0.020 |
Properties | Metric | Imperial |
Tensile Strength | ≥ 620 MPa | ≥ 90000 psi |
Yield Strength (0.2% Proof) | ≥ 450 MPa | ≥ 65000 psi |
Elongation at Break | ≥ 25 % | ≥ 25 % |
Modulus of Elasticity | 200 GPa | 29000 ksi |
Shear Modulus | 75.0 GPa | 10900 ksi |
Poisson's Ratio | 0.33 | 0.33 |
Hardness, Rockwell C | ≤ 31.0 | ≤ 31.0 |
Hardness, Brinell | 293 max | 293 max |
Labh Steel Supplies Duplex Steel F51 Buttweld Fittings 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 Duplex Steel F51 Buttweld Fittings 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 DUPLEX STEEL F51 BUTTWELD FITTINGS kindly get back to us on :- labhsteel@yahoo.co.in or contact us on +91 9869609924