Carbon Steel Flanges

Carbon steel flanges are essential components in various industrial applications, offering a reliable and robust means of connecting pipes, valves, and other equipment. These flanges are popular due to their durability, strength, and cost-effectiveness. Here’s an overview of carbon steel flanges in 350 words:

Composition: Carbon steel flanges are primarily composed of iron and carbon, with small amounts of other elements like manganese, sulfur, and phosphorus. The carbon content in these flanges typically ranges from 0.05% to 2.1%. The variations in composition result in different grades of carbon steel, such as ASTM A105, A350 LF2, and A694.

Applications: Carbon steel flanges are widely used in industries like oil and gas, petrochemicals, power generation, and water treatment. They are employed in pipelines, pressure vessels, and various equipment for connecting or closing off fluid flow. Their versatility makes them suitable for high-pressure and high-temperature environments.

Carbon Steel Flanges, Carbon Steel Flanges Supplier, ASME B16.5 CS Blind Flanges, Carbon Steel Plate Flanges, Carbon Steel Blind Flanges, Carbon Steel Slip On Flanges, CS Flanges Manufacturer in Mumbai, India.

Carbon Steel Flanges Manufacturer, CS Weld Neck Flange, Carbon Steel Pipe Flanges, Carbon Steel Forged Flanges, CS RTJ and Flat Face Flange, Carbon Spectacle Blind Flange, Carbon Steel Flanges Stockist in India.

Advantages:
Strength: Carbon steel flanges are known for their high tensile strength, making them capable of withstanding substantial pressure and stress.
Cost-Effective: These flanges are relatively inexpensive, making them an economical choice for many industrial applications.
Durability: Carbon steel flanges are durable and resistant to corrosion, ensuring a long service life in harsh conditions.
Ease of Machining: They can be easily machined and customized to meet specific requirements.

Types of Carbon Steel Flanges:
Carbon steel Weld Neck Flanges: These flanges are designed with a long neck that is welded to the pipe, providing excellent support and structural strength.
Carbon steel Slip-On Flanges: These flanges slip over the pipe and are secured in place with fillet welding, ensuring a snug fit.
Carbon steel Blind Flanges: Used to close the end of a pipeline, these flanges have no bore and are ideal for pressure testing.
Carbon steel Socket Weld Flanges: These are welded directly onto the pipe, ensuring a strong and leak-resistant connection.
Carbon steel Threaded Flanges: These have threads on their inner bore and are screwed onto the pipe or fitting.
Quality and Standards: Carbon steel flanges are manufactured according to international standards, such as ASTM, ASME, and ANSI. Quality control and adherence to specifications are crucial to ensure their performance and reliability in demanding applications.

Specification For Carbon Steel Flanges

StandardsASTM A105, A350, / A105N, A350M
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)
Carbon Steel Flange

STOCKIST & SUPPILERS FOR CARBON STEEL FLANGES IN INDIA, CUSTOM SIZES Carbon Steel SORF, WNRF, Blind Flanges AS PER CLIENT REQUIREMENT

Various Types of Carbon Steel Flanges

Carbon Steel Slip on Flanges

Carbon Steel Slip On Flanges

  • CS Slip On Flanges
  • Carbon Steel SOFF Flanges
  • ANSI B16.5 CS Slip On Flanges
  • CS SORF Flange
  • Slip On Carbon Steel Flange
Carbon Steel Weld Neck Flanges

Carbon Steel Socket Weld Flanges

  • CS Socket Weld Flanges
  • Carbon Steel SWFF Flanges
  • ANSI B16.5 CS SocketWeld Flanges
  • CS SWRF Flange
  • Socket Weld Carbon Steel Flange
Carbon Steel Blind Flanges

Carbon Steel Blind Flanges

  • CS Blind Flanges
  • Carbon Steel BLFF Flanges
  • ANSI B16.5 CS Blind Flanges
  • CS BLRF Flange
  • Blind Carbon Steel Flange
Carbon Steel SocketWeld Flanges

Carbon Steel Weld Neck Flanges

  • CS Weld Neck Flanges
  • Carbon Steel WNFF Flanges
  • ANSI B16.5 CS Weld Neck Flanges
  • CS WNRF Flange
  • Weld Neck Carbon Steel Flange
Carbon Steel A105 Threaded Flanges

Carbon Steel Threaded Flanges

  • CS Threaded Flanges
  • Carbon Steel Screwed Flanges
  • ANSI B16.5 CS Threaded Flanges
  • CS Screwed Flange
  • Threaded Carbon Steel Flange
Carbon Steel Lap Joint Flanges

Carbon Steel Lap Joint Flanges

  • CS Lap Joint Flanges
  • Carbon Steel LJ Flanges
  • ANSI B16.5 CS Lap Joint Flanges
  • CS LJ Flange
  • Lap Joint Carbon Steel Flange

Ready Stock Of Carbon Steel Flanges

  • Carbon Steel Pipe Flange
  • Carbon Steel Flat Face Flange
  • CS Tongue & Groove Flanges
  • Carbon Steel Long Weld Neck Flanges
  • Carbon Steel Reducing Flanges
  • Carbon Steel Orifice Flange
  • CS Spectacle Blind Flanges
  • ASME B16.5 Class 150 Carbon Steel Flanges
  • CS Ring Type Joint Flanges
  • Carbon Steel Spacer Ring Flanges
  • Carbon Steel Slip On Flat Face Flanges
  • ANSI B16.5 Class 300 CS Flanges Dimensions
  • CS Plate Flanges
  • Carbon Steel Square Flanges
  • CS DIN Flanges
  • CS Male & Female Flanges
  • CS Raised Face Flanges
  • CS Flanges
  • Carbon Steel SORF Flanges
  • Carbon Steel NPT Threaded Flanges
  • Carbon Steel Industrial Flange
  • Carbon Steel Custom Flanges
  • CS Large Diameter Flange
  • Carbon Steel Flange Pressure Rating
  • Carbon Steel Paddle Blank and Spacer
  • CS Forged Flanges
  • Carbon Steel Nipoflange
  • CS Flangeolet
  • Carbon Steel Exhaust Flanges
  • Carbon Steel Tongue and Groove Flanges

Carbon Steel Flange Dimensions

NPS
(in.)
Carbon Steel Flanges Dimensions
Dia. of
Flange
(in.)
No.
of
Bolts
Dia. of
Bolts
(in.)
Dia. of
Bolt Holes
(in.)
Bolt
Circle
(in.)
1/4 3-3/8 4 1/2 0.62 2-1/4
1/2 3-1/2 4 1/2 0.62 2-3/8
3/4 3-7/8 4 1/2 0.62 2-3/4
1 4-1/4 4 1/2 0.62 3-1/8
1-1/4 4-5/8 4 1/2 0.62 3-1/2
1-1/2 5 4 1/2 0.62 3-7/8
2 6 4 5/8 0.75 4-3/4
2-1/2 7 4 5/8 0.75 5-1/2
3 7-1/2 4 5/8 0.75 6
3-1/2 8-1/2 8 5/8 0.75 7
4 9 8 5/8 0.75 7-1/2
5 10 8 3/4 0.88 8-1/2
6 11 8 3/4 0.88 9-1/2
8 13-1/2 8 3/4 0.88 11-3/4
10 16 12 7/8 1 14-1/4
12 19 12 7/8 1 17
14 21 12 1 1.12 18-3/4
16 23-1/2 16 1 1.12 21-1/4
18 25 16 1-1/8 1.25 22-3/4
20 27-1/2 20 1-1/8 1.25 25
24 32 20 1-1/4 1.38 29-1/2

Size Chart of Carbon 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 CS 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 Carbon Steel Flanges Across the Globe

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

Domestic Supply Carbon Steel Flanges

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