Alloy Steel Flanges

Alloy steel flanges are critical components in various industrial applications, known for their exceptional strength and corrosion resistance. These specialized flanges are crafted from alloy steel, a combination of iron and other elements such as chromium, nickel, molybdenum, and vanadium. This alloying process enhances the material’s properties, making it ideal for use in demanding environments.

Alloy steel flanges are employed in diverse industries, including oil and gas, petrochemical, aerospace, and power generation. Their durability and resistance to high temperatures, pressure, and corrosive substances make them indispensable in these sectors.

Alloy Steel Flanges, Alloy Steel Flanges Supplier, Alloy Steel Pipe Flanges, Alloy Steel Slip On Flanges, Alloy Steel Weld Neck Flanges, Alloy Steel Socket Weld Flanges, Alloy Steel Flanges Manufacturer in Mumbai, India.

ANSI B16.5 Chrome Moly Ring Type Joint Flanges, AS Flange, Alloy Steel Flanges Manufacturer, Alloy Steel Spade Flanges, Alloy Steel Industrial Flanges, Alloy Steel Forged Flanges, Alloy Steel RTJ Flange, Alloy Steel Flanges Stockist in India.

One of the primary advantages of alloy steel flanges is their exceptional strength. These flanges maintain their structural integrity even in extreme conditions, ensuring the safety and reliability of the systems they are a part of. They are often used in high-pressure pipelines, where the risk of leakage or failure is a significant concern.

Corrosion resistance is another key feature of alloy steel flanges. The alloying elements, especially chromium, form a protective oxide layer on the surface of the flanges. This layer acts as a barrier, preventing the underlying steel from corroding when exposed to moisture, chemicals, or harsh environmental conditions. This corrosion resistance extends the service life of alloy steel flanges and reduces maintenance costs.

Alloy steel flanges come in various types, including slip-on, weld neck, blind, socket weld, and lap joint flanges. Each type is designed for specific applications, and choosing the right type is crucial to ensure a tight and secure connection in the system.

Furthermore, alloy steel flanges can be customized to meet specific requirements, with different pressure ratings and sizes available to suit various applications. Proper installation, bolting, and gasket selection are essential to achieve a leak-free connection.

Specification For Alloy Steel Flanges

StandardsASTM A182 / ASME SA182
DimensionsANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Size1/2″ (15 NB) to 48″ (1200NB)
Class150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
StandardANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Flange Face TypesFlate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Alloy Steel Flanges

STOCKIST & SUPPILERS FOR ALLOY STEEL FLANGES IN INDIA, CUSTOM SIZES CHROME MOLY STEEL SORF, WNRF, Blind Flanges AS PER CLIENT REQUIREMENT

Various Types of Alloy Steel Flanges

Carbon Steel Slip on Flanges

Alloy Steel Slip On Flanges

  • ASTM 182 Alloy Steel Slip On Flanges
  • ANSI B16.5 CrMo Slip On Flanges
  • Chromium Molybdenum Slip On Flanges
  • AS Slip On Flanges
  • Alloy Steel SOFF Flanges
  • Cr-Mo Slip On Flange
  • Chrome Moly Steel SORF Flange
Carbon Steel Weld Neck Flanges

Alloy Steel Socket Weld Flanges

  • ASTM 182 Alloy Steel Socket Weld Flanges
  • ANSI B16.5 CrMo Socket Weld Flanges
  • Chromium Molybdenum Socket Weld Flanges
  • AS Socket Weld Flanges
  • Alloy Steel Socketweld Flanges
  • Cr-Mo Socket Weld Flange
  • Chrome Moly Steel Socketweld Flange
Carbon Steel Blind Flanges

Alloy Steel Blind Flanges

  • ASTM 182 Alloy Steel Blind Flanges
  • ANSI B16.5 CrMo Blind Flanges
  • Chromium Molybdenum Blind Flanges
  • AS Blind Flanges
  • Alloy Steel BLFF Flanges
  • Cr-Mo Blind Flange
  • Chrome Moly Steel BLRF Flange
Carbon Steel SocketWeld Flanges

Alloy Steel Weld Neck Flanges

  • ASTM 182 Alloy Steel Weld Neck Flanges
  • ANSI B16.5 CrMo Weld Neck Flanges
  • Chromium Molybdenum Weld Neck Flanges
  • AS Weld Neck Flanges
  • Alloy Steel WNFF Flanges
  • Cr-Mo Weld Neck Flange
  • Chrome Moly Steel WNRF Flange
Carbon Steel A105 Threaded Flanges

Alloy Steel Threaded Flanges

  • ASTM 182 Alloy Steel Threaded Flanges
  • ANSI B16.5 CrMo Threaded Flanges
  • Chromium Molybdenum Threaded Flanges
  • AS Threaded Flanges
  • Alloy Steel Screwed Flanges
  • Cr-Mo Threaded Flange
  • Chrome Moly Steel Screwed Flange
Carbon Steel Lap Joint Flanges

Alloy Steel Lap Joint Flanges

  • ASTM 182 Alloy Steel Lap Joint Flanges
  • ANSI B16.5 CrMo Lap Joint Flanges
  • Chromium Molybdenum Lap Joint Flanges
  • AS Lap Joint Flanges
  • Alloy Steel Lap Joint Flanges
  • Cr-Mo Lap Joint Flange
  • Chrome Moly Steel Lap Joint Flange

Ready Stock Of Alloy Steel Flanges

  • AS Tongue & Groove Flanges
  • Chrome Moly Long Weld Neck Flanges
  • ANSI B16.5 Alloy Steel Class 300 Flanges Dimensions
  • CrMo Reducing Flanges
  • Alloy Steel SORTJ Flange
  • CrMo Grade Long Weld Neck Flanges
  • Alloy Steel Ring Type Joint Flanges
  • Alloy Steel DIN Flanges
  • Cr-Mo Spectacle Blind Flanges
  • Chrome Moly Spacer Ring Flanges
  • ASME B16.5 Class 150 Alloy Steel Flanges
  • Chromium Molybdenum Pipe Flange
  • Alloy Steel Square Flanges
  • Alloy Steel Raised Face Flanges
  • AS Orifice Flange
  • CrMo Slip On Flat Face Flanges
  • Cr-Mo Flat Face Flange
  • Chrome Moly Flanges
  • AS Large Diameter Flange
  • Chrome Moly Plate Flange
  • Chrome Moly A182 Forged Flanges
  • Alloy Steel A182 Screwed Flanges
  • Alloy Steel A182 BLRTJ Flanges
  • CrMo Nipoflange
  • Chromium Molybdenum NPT Threaded Flanges
  • CrMo Male & Female Flanges
  • Alloy Steel Tongue Flange
  • Cr-Mo Flangeolet
  • AS Paddle Blank and Spacer
  • Cr-Mo SORF Flanges
  • CrMo Exhaust Flanges
  • Cr-Mo SWRTJ Flanges
  • Chromium Molybdenum Flange Pressure Rating
  • Alloy Steel Custom Flanges

Alloy Steel Flange Dimensions

NPS
(in.)
Alloy Steel A182 Flange Dimensions
Dia. of
Flange
(in.)
No.
of
Bolts
Dia. of
Bolts
(in.)
Dia. of
Bolt Holes
(in.)
Bolt
Circle
(in.)
1/43-3/841/20.622-1/4
1/23-1/241/20.622-3/8
3/43-7/841/20.622-3/4
14-1/441/20.623-1/8
1-1/44-5/841/20.623-1/2
1-1/2541/20.623-7/8
2645/80.754-3/4
2-1/2745/80.755-1/2
37-1/245/80.756
3-1/28-1/285/80.757
4985/80.757-1/2
51083/40.888-1/2
61183/40.889-1/2
813-1/283/40.8811-3/4
1016127/8114-1/4
1219127/8117
14211211.1218-3/4
1623-1/21611.1221-1/4
1825161-1/81.2522-3/4
2027-1/2201-1/81.2525
2432201-1/41.3829-1/2

Size Chart of Alloy Steel Flanges

Nominal Pipe Size Outside Diameter of Flanges Thickness of Flanges Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter or Bore Diameter of Hub at Bevel Radius of Fillet Depth of Socket
Welding Neck Slip-On Threaded Socket Lap Joint Slip-on Socket Lap Joint
O Q R X Y Y Y W B H r Z
1/2 3-1/2 7/16 1-3/8 1-3/16 1-7/8 5/8 5/8 .88 .90 .84 1/8 3/8
3/4 3-7/8 1/2 1-11/16 1-1/2 2-1/16 5/8 5/8 1.09 1.11 1.05 1/8 7/16
1 4-1/4 9/16 2 1-15/16 2-3/16 11/16 11/16 1.36 1.38 1.32 1/8 1/2
1-1/4 4-5/8 5/8 2-1/2 2-5/16 2-1/4 13/16 13/16 1.70 1.72 1.66 3/16 9/16
1-1/2 5 11/16 2-7/8 2-9/16 2-7/16 7/8 7/8 1.95 1.97 1.90 1/4 5/8
2 6 3/4 3-5/8 3-1/16 2-1/2 1 1 2.44 2.46 2.38 5/16 11/16
2-1/2 7 7/8 4-1/8 3-9/16 2-3/4 1-1/8 1-1/8 2.94 2.97 2.88 5/16 3/4
3 7-1/2 15/16 5 4-1/4 2-3/4 1-3/16 1-3/16 3.57 3.60 3.50 3/8 13/16
3-1/2 8-1/2 15/16 5-1/2 4-13/16 2-13/16 1-1/4 1-1/4 4.07 4.10 4.00 3/8 7/8
4 9 15/16 6-3/16 5-5/16 3 1-5/16 1-5/16 4.57 4.60 4.50 7/16 15/16
5 10 15/16 7.5/16 6-7/16 3-1/2 1-7/16 1-7/16 5.66 5.69 5.56 7/16 15/16
6 11 1 8-1/2 7-9/16 3-1/2 1-9/16 1-9/16 6.72 6.75 6.63 1/2 1-1/16
8 13-1/2 1-1/8 10-5/8 9-11/16 4 1-3/4 1-3/4 8.72 8.75 8.63 1/2 1-1/4
10 16 1-3/16 12-3/4 12 4 1-15/16 1-15/16 10.88 10.92 10.75 1/2 1-5/16
12 19 1-1/4 15 14-3/8 4-1/2 2-3/16 2-3/16 12.88 12.92 12.75 1/2 1-9/16
14 21 1-3/8 16-1/4 15-3/4 5 2-1/4 3-1/8 14.14 14.18 14.00 1/2 1-5/8
16 23-1/2 1-7/16 18-1/2 18 5 2-1/2 3-7/16 16.16 16.19 16.00 1/2 1-3/4
18 25 1-9/16 21 19-7/8 5-1/2 2-11/16 3-13/16 18.18 18.20 18.00 1/2 1-15/16
20 27-1/2 1-11/16 23 22 5-11/16 2-7/8 4-1/16 20.20 20.25 20.00 1/2 2-1/8
24 32 1-7/8 27-1/4 26-1/8 6 3-1/4 4-3/8 24.25 24.25 24.00 1/2 2-1/2

Weight Chart of Alloy Steel Flanges

Pipe Normal Diam. O.D. Flange Thk. Of Flange Min Diam.
of
Hub
Diameter of Raised Face Length Hub.Y Thread Length Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
KG LB
inch dn O C X G Y T BC BH BN BD
1/2″ 15 89.00 11.20 30.20 35.10 15.70 15.70 60.50 15.80 4 1/2″ 0.4 0.9
3/4″ 20 98.50 12.70 38.10 42.90 15.70 15.70 69.90 15.80 4 1/2″ 0.7 1.5
1″ 25 108.00 14.20 49.30 50.80 17.50 17.50 79.30 15.80 4 1/2″ 0.8 1.8
1-1/4″ 32 117.50 15.70 58.70 63.50 20.60 20.60 88.90 15.80 4 1/2″ 1.2 2.6
1-1/2″ 40 127.00 17.50 65.00 73.20 22.40 22.40 98.60 15.80 4 1/2″ 1.5 3.3
2″ 50 152.50 19.10 77.70 91.90 25.40 25.40 120.70 19.10 4 5/8″ 2.3 5.1
2-1/2″ 65 178.00 22.40 90.40 104.60 28.40 28.40 139.70 19.10 4 5/8″ 3.7 8.1
3″ 80 190.50 23.90 108.00 127.00 30.20 30.20 152.40 19.10 4 5/8″ 4.1 9
3-1/2″ 90 216.00 23.90 122.20 139.70 31.80 31.80 177.80 19.10 8 5/8″ 5.1 11.2
4″ 100 228.50 23.90 134.90 157.20 33.30 33.30 190.50 19.10 8 5/8″ 5.9 13
5″ 125 254.00 23.90 163.60 185.70 36.60 36.60 215.90 22.40 8 3/4″ 7 15.4
6″ 150 279.50 25.40 192.00 215.90 39.60 39.60 241.30 22.40 8 3/4″ 8.4 18.5
8″ 200 343.00 28.40 246.10 269.70 44.50 44.50 298.50 22.40 8 3/4″ 13 28.6
10″ 250 406.50 30.20 304.80 323.90 49.30 49.30 362.00 25.40 12 7/8″ 18 39.5
12″ 300 482.50 31.80 365.30 381.00 55.60 55.60 431.80 25.40 12 7/8″ 29 64
14″ 350 533.50 35.10 400.10 412.80 57.20 57.20 476.30 28.50 12 1″ 39 86
16″ 400 597.00 36.60 457.20 469.90 63.50 63.50 539.80 28.50 16 1″ 47 103
18″ 450 635.00 39.60 505.00 533.40 68.30 68.30 577.90 31.80 16 1 1/8″ 57 126
20″ 500 698.50 42.90 558.80 584.20 73.20 73.20 635.00 31.80 20 1 1/8″ 76 167
24″ 600 813.00 47.80 663.40 692.20 82.60 82.60 749.30 35.10 20 1 1/4″ 97 214

We Serve Application Industry

Flanges applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

We Export AS Flanges Across the Globe

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

Domestic Supply Alloy Steel Flanges

Baroda, Surat, Howrah, Jaipur, New Delhi, Noida, Coimbatore, Pune, Haryana, Thiruvananthapuram, Thane, Ludhiana, Jamshedpur, Kolkata, Colombo, Chennai, Navi Mumbai, Ahmedabad, Pimpri-Chinchwad, Indore, Ernakulam, Faridabad, Gurgaon, Bengaluru, Hyderabad, Kanpur, Nashik, Ranchi, Secunderabad, Mumbai, Nagpur, Chandigarh, Rajkot, Vadodara, Bhopal, Visakhapatnam.

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