Manufacturer,Stockist and Exporter of Stainless steel flat flanges

Manufacturer,Stockist and Exporter of Stainless steel flat flanges


Stainless steel flat flanges

Repute Steel & Engineering Co. is a prominent manufacturer, stockist, and exporter of stainless steel flat flanges, catering to a wide array of industries globally. With a solid reputation in the industry, the company produces high-quality flanges that are known for their durability, strength, and resistance to corrosion. Stainless steel flat flanges are an essential component in various piping systems, offering a secure and reliable method of joining pipes or fittings. Repute Steel & Engineering Co. specializes in providing a diverse range of sizes and grades to meet the specific needs of clients across industries such as petrochemicals, pharmaceuticals, food processing, and oil and gas.


The company uses premium-grade stainless steel materials for manufacturing its flat flanges, ensuring exceptional performance and longevity. These materials are chosen for their outstanding properties such as excellent resistance to oxidation, high temperatures, and corrosion, making them ideal for harsh operating environments. Repute Steel & Engineering Co. manufactures its stainless steel flat flanges in various standards including ANSI, ASME, DIN, and JIS to ensure they comply with international quality standards and meet the specific requirements of clients worldwide.


One of the key factors contributing to the company’s success is its ability to customize stainless steel flat flanges to suit specific customer needs. Whether it's variations in dimensions, grades, or additional coatings, Repute Steel & Engineering Co. provides tailor-made solutions to ensure perfect fitment and performance in clients' systems. The company’s highly skilled engineers and technicians work closely with clients to understand their requirements and provide precise solutions that maximize efficiency and safety in operations.


Specification of Stainless steel flat flanges


Specification Description
Material Grade 304, 304L, 316, 316L, 310, 321, 347, Duplex, Super Duplex Stainless Steel
Standard ANSI, ASME, DIN, JIS, BS, EN, IS, AWWA
Size Range 1/2" to 36" (DN 15 to DN 900)
Thickness 10mm to 50mm (custom thickness available as per requirements)
Pressure Class 150#, 300#, 600#, 900#, 1500#, 2500#
Face Type Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ), Male/Female
Surface Finish Mirror Finish, Matte Finish, Polish Finish, Pickled, or as per customer request
Temperature Range -200°C to 800°C (depending on material grade)
End Type Flat (FF), Raised Face (RF), Tongue and Groove, Butt Weld, Threaded, etc.
Application Piping systems, pressure vessels, chemical and petrochemical industries, water treatment, food processing, oil and gas industries
Certifications ISO 9001:2015, PED, CE, AD2000, IBR, NACE, API
Finish Options Plain, Polished, Shot Blasted, Satin
Packing Wooden boxes, Pallets, as per export standards
Tolerance As per ASTM A182, ANSI B16.5, or customized to client needs

Repute Steel & Engineering Co. serves a global market, with significant exports to countries such as Oman, Saudi Arabia, Qatar, the United Arab Emirates (UAE), and the USA. The company has established strong business relationships with distributors and customers in these regions, owing to its high-quality products and excellent customer service. By adhering to international standards and offering reliable delivery timelines, Repute Steel & Engineering Co. has positioned itself as a leading player in the stainless steel flange market.


The company’s state-of-the-art manufacturing facility, combined with a well-organized logistics network, enables timely and efficient delivery to customers worldwide. Whether it’s bulk orders or customized specifications, Repute Steel & Engineering Co. is committed to ensuring that its stainless steel flat flanges reach their destination on time, with the highest level of quality assurance. This dedication to excellence has earned the company the trust and loyalty of clients in various sectors.


Chemical Composition of Stainless steel flat flanges


Grade C (Carbon) Mn (Manganese) Si (Silicon) P (Phosphorus) S (Sulfur) Cr (Chromium) Ni (Nickel) Mo (Molybdenum) Fe (Iron)
304 0.08% max 2.00% max 0.75% max 0.045% max 0.030% max 18.00–20.00% 8.00–10.50% - Balance
304L 0.03% max 2.00% max 0.75% max 0.045% max 0.030% max 18.00–20.00% 8.00–12.00% - Balance
316 0.08% max 2.00% max 0.75% max 0.045% max 0.030% max 16.00–18.00% 10.00–14.00% 2.00–3.00% Balance
316L 0.03% max 2.00% max 0.75% max 0.045% max 0.030% max 16.00–18.00% 10.00–14.00% 2.00–3.00% Balance
310 0.25% max 2.00% max 1.00% max 0.045% max 0.030% max 24.00–26.00% 19.00–22.00% - Balance
321 0.08% max 2.00% max 1.00% max 0.045% max 0.030% max 17.00–19.00% 9.00–12.00% - Balance
347 0.08% max 2.00% max 1.00% max 0.045% max 0.030% max 17.00–19.00% 9.00–12.00% 0.50% max Balance
Duplex 2205 0.03% max 2.00% max 1.00% max 0.03% max 0.01% max 21.00–23.00% 4.50–6.50% 3.00–5.00% Balance
Super Duplex 2507 0.03% max 1.20% max 1.00% max 0.03% max 0.01% max 24.00–26.00% 6.00–8.00% 3.00–5.00% Balance

Mechanical Properties of Stainless steel flat flanges


Property 304 Stainless Steel 304L Stainless Steel 316 Stainless Steel 316L Stainless Steel 310 Stainless Steel 321 Stainless Steel 347 Stainless Steel Duplex 2205 Super Duplex 2507
Tensile Strength 520-720 MPa 520-720 MPa 520-720 MPa 520-720 MPa 515-720 MPa 515-720 MPa 515-720 MPa 620-850 MPa 700-1000 MPa
Yield Strength 205 MPa min 170 MPa min 205 MPa min 170 MPa min 205 MPa min 205 MPa min 205 MPa min 450 MPa min 550 MPa min
Elongation (in 50mm) 40% min 40% min 40% min 40% min 40% min 40% min 40% min 25-40% 25-40%
Hardness (HB) 201 max 201 max 201 max 201 max 201 max 201 max 201 max 290-350 HB 300-350 HB
Impact Toughness (Charpy) 70 J min 70 J min 70 J min 70 J min 100 J min 100 J min 100 J min 150 J min 150 J min
Modulus of Elasticity 193 GPa 193 GPa 193 GPa 193 GPa 200 GPa 200 GPa 200 GPa 200 GPa 200 GPa
Poisson's Ratio 0.27-0.30 0.27-0.30 0.27-0.30 0.27-0.30 0.27-0.30 0.27-0.30 0.27-0.30 0.27-0.30 0.27-0.30
Thermal Expansion 16.0 × 10^-6 /°C 16.0 × 10^-6 /°C 16.0 × 10^-6 /°C 16.0 × 10^-6 /°C 17.0 × 10^-6 /°C 17.0 × 10^-6 /°C 17.0 × 10^-6 /°C 17.0 × 10^-6 /°C 16.0 × 10^-6 /°C
Thermal Conductivity 16.2 W/m·K 16.2 W/m·K 16.2 W/m·K 16.2 W/m·K 14.2 W/m·K 14.2 W/m·K 14.2 W/m·K 20.0 W/m·K 20.0 W/m·K

Countries we have exported our products to

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Countries we have exported our products to

Turkey, Thailand, Bulgaria, Serbia, Mexico, Estonia, Trinidad & Tobago,Tunisia, New Zealand, Indonesia, Puerto Rico, Ireland, India, Morocco, Brazil, Lebanon, Hong Kong, Jordan, Ukraine, Switzerland, Czech Republic, Lithuania, Sri Lanka, Greece, Taiwan, Zimbabwe, Algeria, Romania, Mexico, Ghana, Italy, Philippines, Spain, United Kingdom, Finland, Azerbaijan, Japan, Macau, Israel, Saudi Arabia, Kenya, Bhutan, Poland, Poland, Costa Rica, Kuwait, Singapore, Pakistan, France, Colombia, Tibet, Bolivia, Portugal, Iraq, Australia, Kazakhstan, Nepal, Mongolia, Gambia, Malaysia, Chile, Germany, Slovakia, China, Bahrain, Denmark, Angola, Afghanistan, Peru, Austria, Ecuador, Gabon, Croatia, South Africa, Sweden, Chile, Hungary, United Arab Emirates, Argentina, Bangladesh, Oman, Egypt, United States, Belgium, Canada, Namibia, Norway, Qatar, Belarus, Netherlands,manufacturer stockist and exporter of Stainless steel flat flanges in Bengaluru,manufacturer stockist and exporter of Stainless steel flat flanges in Chennai,manufacturer stockist and exporter of Stainless steel flat flanges in Hyderabad,manufacturer stockist and exporter of Stainless steel flat flanges in Gujarat,manufacturer stockist and exporter of Stainless steel flat flanges in Pune

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