Alloy Steel F911 Flanges
Minimum Order : 50 Items
Customization as per requirements
Alloy Steel F911 Flanges – Specification
| Flanges Types | Slip On, Lap Joint, Weld Neck, Long Weld Neck, Threaded, Blind, Companion |
|---|---|
| Class | 150 Lbs, Pn 6, 10, 300 Lbs, 16, 600 Lbs, 25, 40, 900 Lbs, 64, 1500 Lbs, 100, 160, 2500 Lbs Asa 150, Asa 300 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Large Male Female (lmf), Small Tongue, Flat Face (ff), Groove, Small Male Female (smf), Ring Type Joint (rtj), Large Tongue & Groove, Lap Joint Face (ljf) |
Alloy Steel F911 Flanges Manufacturer in India
Type of Sub-products

Alloy Steel F911 Slip On Flanges Alloy Steel F911 Slip On Flanges
Alloy Steel F911 Slip On Flanges are reliable and versatile components designed for high pressure and high temperature piping systems. Made from a robust chromium molybdenum vanadium alloy, these flanges offer excellent strength, corrosion resistance, and thermal stability, making them ideal for use in power generation, petrochemical, and oil and gas industries. The slip on design simplifies installation by allowing the flange to slide easily over the pipe, reducing labor time and costs. Once positioned, it is welded both inside and outside for a secure, leak proof connection.

Alloy Steel F911 Weld Neck Flanges Alloy Steel F911 Weld Neck Flanges
Alloy Steel F911 Weld Neck Flanges are high strength, precision engineered components designed for critical applications in high pressure and high temperature environments. Made from a chromium molybdenum vanadium alloy, these flanges provide excellent resistance to oxidation, corrosion, and thermal fatigue, making them ideal for industries such as power generation, petrochemicals, and oil and gas. The weld neck design features a long tapered hub that ensures a smooth transition between the flange and the pipe, reducing stress concentrations and enhancing the structural integrity of the connection.

Alloy Steel F911 Blind Flanges Alloy Steel F911 Blind Flanges
Alloy Steel F911 Blind Flanges are durable and high performing components designed to seal the ends of pipes, valves, or equipment in high pressure and high temperature systems. Made from a robust chromium molybdenum vanadium alloy, these flanges provide exceptional resistance to oxidation, corrosion, and thermal fatigue, making them ideal for demanding industries such as power generation, petrochemical processing, and oil and gas. The blind flange design offers a secure, leak proof seal, allowing for maintenance, testing, or system modifications without disrupting the entire setup.
Frequently Asked Questions
What are Alloy Steel F911 Flanges?
Alloy steel F911 Flanges are made from a particular type of stainless steel that contains B16, chromium, molybdenum, and vanadium alloy steel. This unique combination of elements gives it exceptional corrosion resistance, even at high temperatures. F911 Flanges are commonly used in high-temperature piping, valves, and flanges due to their durability in harsh conditions. F911 Alloy Steel Flanges consist of iron-based alloys with an average composition of 11.5% chromium, 1.15% molybdenum, 0.15% vanadium, and 8.45% nickel.
What are the usual specifications for Alloy Steel F911 Flanges?
ASTM A182/A182M - Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service ASME B16.5 - Pipe Flanges and Flanged Fittings ASME B16.47 - Large Diameter Steel Flanges.
What are some typical applications of F911 flanges?
F911 flanges are frequently utilized in heavy industrial settings, such as oil and gas pipelines, high-pressure systems, chemical plants, refineries, and power plants. They are perfect for joining pipes that need larger diameters because they can be shaped into any required flange size.
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Countries We Export – Alloy Steel F911 Flanges
- India
Cities We Supply – Alloy Steel F911 Flanges
- Ahmadpur
- Ahmadnagar
- Ahmedabad
- Bangalore Urban
- Bangalore Rural
- Bengaluru
- Coimbatore
- Chennai
- Chandigarh
- Haridwar
- Hyderabad
- Jaipur
- Jodhpur
- Jodhpur (ahmedabad)
- Kalyan
- Kolhapur
- Mumbai
- Mumbai Suburban
- Murud (raigad)
- Nagpur
- Lucknow
- New Delhi
- Navi Mumbai
- Kolkata
- Nashik
- Pune
- Raipur
- Rajkot
- Rampura
- Sion, Mumbai
- Surat
- Thane
- Varanasi
- Visakhapatnam
- Moradabad
- Angul
- Rudrapur
- Hosdurg
- Gandhinagar
- Rajahmundry
- Durgapur
- Bharuch
- Panipat
Industries We Serve – Alloy Steel F911 Flanges
Sugar
Oil And Gas Industries
Paper Mill
Power Plant
Bridge And Building
Aerospace Industries
Automobile Industry
Electrical Industry
Defense Industry
Construction & Fabrications
Ring Man Units
Railways

Gasket Industry
Pharmaceuticals Industry
