DIPTI METAL INDUSTRIES
ASTM A182 F11 Flanges Manufacturer, A182 F11 Flanges Exporter & A182 F11 Flanges Supplier in Mumbai, India | Grade F11 Forged Flanges
Dipti Metal Industries from 2009, is a premier ASTM A182 F11 Flanges Manufacturer and global A182 F11 Flangesexporter from Mumbai, India. We specialize in high-quality Alloy Steel F11 Flanges (1.25Cr-0.5Mo) designed for critical high-temperature service in power plants, oil & gas, and petrochemical refineries. Conforming to ASME B16.5 and B16.47, our F11 flanges offer superior creep strength and oxidation resistance.
Our comprehensive inventory includes F11 Weld Neck, Slip-On, Blind, Socket Weld, and RTJ Flanges in pressure classes 150# to 2500#. Every piece is precision-forged and heat-treated to ensure compliance with the strictest industry standards.
Leadership in F11 Alloy Steel Flange Manufacturing
As a leading A182 F11 Flange Manufacturer in Mumbai, we provide essential piping solutions for high-temperature applications. ASTM A182 Grade F11 is a low-alloy steel containing chromium and molybdenum, offering a balance of weldability and strength at elevated temperatures.
Our commitment to quality includes 100% Ultrasonic testing, surface defect inspection, and dimensional verification. We supply F11 flanges with complete Mill Test Certificates (MTC) as per EN 10204 3.1, ensuring full material traceability for our global clients.
Standards & Compliance
- Material: ASTM A182 / SA182 Grade F11 (CL 1/2/3)
- Dimensions: ASME B16.5, B16.47 Series A & B
- Pressure Class: 150# A182 F11 Flanges, A182 F11 Flanges 300#, A182 F11 Flanges 600#, A182 F11 Flanges 900#, A182 F11 Flanges 1500#, A182 F11 Flanges 2500#
- Faces: Raised Face (RF A182 F11 Flanges), Ring Type Joint (RTJ A182 F11 Flanges), Flat Face (FF A182 F11 Flanges)
- NACE: NACE MR0175 / ISO 15156 compliant available
ASTM A182 Grade F11 Technical Data
| Element | F11 Class 1 | F11 Class 2 |
|---|---|---|
| Carbon (C) | 0.05 - 0.15 | 0.10 - 0.20 |
| Manganese (Mn) | 0.30 - 0.60 | 0.30 - 0.80 |
| Chromium (Cr) | 1.00 - 1.50 | 1.00 - 1.50 |
| Molybdenum (Mo) | 0.44 - 0.65 | 0.44 - 0.65 |
| Silicon (Si) | 0.50 - 1.00 | 0.50 - 1.00 |
| Property | Class 1 | Class 2 |
|---|---|---|
| Tensile Strength (min) | 60 ksi (415 MPa) | 70 ksi (485 MPa) |
| Yield Strength (min) | 30 ksi (205 MPa) | 40 ksi (275 MPa) |
| Elongation (min) | 20% | 20% |
| Hardness (max) | 143 HBW | 209 HBW |
Our F11 Flange Product Range
Common Types
- F11 Weld Neck Flanges (WNRF)
- F11 Slip On Flanges (SORF)
- F11 Blind Flanges (BLRF)
- F11 Socket Weld Flanges (SWRF)
- F11 Lap Joint Flanges
Special Configs
- F11 Ring Type Joint (RTJ) Flanges
- F11 Orifice Flanges
- F11 Long Weld Neck Flanges
- F11 Threaded / Screwed Flanges
- F11 Spectacle Blind & Spacers
Coatings & Finishes
- Anti-rust Black Oil / Varnish
- Yellow Transparent Coating
- Hot Dip Galvanizing
- Zinc Plated / Epoxy Coated
- Custom Surface Treatment
Global Export Network & Regional Reach
We are a globally trusted Alloy Steel F11 Flange Exporter, reaching every major industrial port and city.
- India: Mumbai, Pune, Ahmedabad, Delhi, Chennai, Bangalore, Hyderabad
- UAE: Dubai, Abu Dhabi, Sharjah, Jebel Ali, Fujairah
- Saudi Arabia: Riyadh, Jubail, Dammam, Jeddah, Yanbu
- Qatar: Doha, Ras Laffan, Mesaieed
- Oman: Muscat, Sohar, Salalah, Duqm
- Kuwait: Kuwait City, Shuaiba, Ahmadi
- Bahrain: Manama, Sitra
- Iraq: Basra, Baghdad, Erbil
- Singapore, Malaysia, Indonesia, Thailand, Vietnam
- USA: Houston, Chicago, Los Angeles, New Orleans
- Canada: Calgary, Edmonton, Vancouver, Toronto
- UK: London, Aberdeen, Manchester
- Germany: Hamburg, Frankfurt, Munich
- Netherlands: Rotterdam, Amsterdam
- Italy: Milan, Genoa, Venice
- Brazil, Mexico, Argentina, Chile, Colombia
- South Africa: Johannesburg, Durban, Cape Town
- Nigeria: Lagos, Port Harcourt, Abuja
- Egypt: Cairo, Alexandria, Suez
- Australia: Perth, Sydney, Melbourne, Brisbane
- New Zealand: Auckland, Christchurch
Contact Dipti Metal Industries - Mumbai
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