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ALLOY STEEL F21/ F22/F91 FLANGES

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Duplex Steel


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ALLOY STEEL F21/ F22/F91 FLANGES

We feel proud to introduce ourselves as the well-known manufacturers, exporters and suppliers of Alloy Steel F21 Flanges. The provided Alloy Steel F21 Flange are efficiently manufactured using the superior quality nickel alloy with the aid of pioneering methodology. These Alloy F5 Flange are used for transferring liquid and other fluids to several industries. We are manufactured by a team of nimble-fingered professionals using high quality raw material, modern tools and advance technology.

These Alloy Steel F21 Flanges are available in different form Slip on Flanges (SORF), Threaded Flanges, Forged Flanges Weld neck Flanges (WNRF), Blind Flanges, Orifice Flanges, Spacer Ring Flanges, Nipo Flange, Socket weld Flanges, Nipolet Flanges, Lap Joint Flanges, Long weld Neck Flanges, Ring Type Joint Flanges, Flat Flange, Plate Flanges, Spectacle Blind Flanges.

SPECIFICATIONS of ALLOY STEEL F21/ F22/F91 FLANGES :


Grade Alloy Steel F21
Standard ASTM A182, ASME SA182
Dimensions ANSI / ASME B16.5, B16.47 Series A & B, B.16.48, BS4504, BS10, DIN, EN-1092, MSS SP44
Size 1/2" - 48"
Class / Pressure Rating 150 Class, 300 Class, F5 Class, 900 Class, 1500 Class, 2500 Class, PN6, PN10, PN16, PN25, PN40, PN64, etc.
Form Slip on Flanges (SORF), Threaded Flanges, Weld neck Flanges (WNRF), Blind Flanges, Socket weld Flanges, Lap Joint Flanges, Ring Type Joint Flanges, Spectacle Blind Flanges, Spacer Ring Flanges, Long weld Neck Flanges, Nipo Flange, Nipolet Flanges, Plate Flanges, Flat Flange, Orifice Flanges, Forged Flanges
Flange Face Type Flat Face (FF), Raised Face (RF), Ring Type Joint(RTJ)

TYPE of ALLOY STEEL F21/ F22/F91 FLANGES :

SORF Flanges
  • Alloy Steel F21 SORF Flanges
  • UNS K41545 SORF Flanges
  • Werkstoff Nr. 1.7380 SORF Flanges
  • DIN 10CRM0910 SORF Flanges
  • ASTM A182 Alloy Steel F21 SORF Flanges
  • ASTM A182 Alloy Steel F22 SORF Flanges
  • ASME SA182 Alloy Steel F91 SORF Flanges
Blind Flanges
  • Alloy Steel F21 Blind Flanges
  • UNS K41545 Blind Flanges
  • Werkstoff Nr. 1.7380 Blind Flanges
  • DIN 10CRM0910 Blind Flanges
  • ASTM A182 Alloy Steel F21 Blind Flanges
  • ASTM A182 Alloy Steel F22 Blind Flanges
  • ASME SA182 Alloy Steel F91 Blind Flanges
Spacer Ring Flanges
  • Alloy Steel F21 Spacer Ring Flanges
  • UNS K41545 Spacer Ring Flanges
  • Werkstoff Nr. 1.7380 Spacer Ring Flanges
  • DIN 10CRM0910 Spacer Ring Flanges
  • ASTM A182 Alloy Steel F21 Spacer Ring Flanges
  • ASTM A182 Alloy Steel F22 Spacer Ring Flanges
  • ASME SA182 Alloy Steel F91 Spacer Ring Flanges
WNRF Flanges
  • Alloy Steel F21 WNRF Flanges
  • UNS K41545 WNRF Flanges
  • Werkstoff Nr. 1.7380 WNRF Flanges
  • DIN 10CRM0910 WNRF Flanges
  • ASTM A182 Alloy Steel F21 WNRF Flanges
  • ASTM A182 Alloy Steel F22 WNRF Flanges
  • ASME SA182 Alloy Steel F91 WNRF Flanges
BLRF Flanges
  • Alloy Steel F21 BLRF Flanges (Blind Raised Face Flanges)
  • UNS K41545 BLRF Flanges (Blind Raised Face Flanges)
  • Werkstoff Nr. 1.7380 BLRF Flanges (Blind Raised Face Flanges)
  • DIN 10CRM0910 BLRF Flanges (Blind Raised Face Flanges)
  • ASTM A182 Alloy Steel F21 BLRF Flanges (Blind Raised Face Flanges)
  • ASTM A182 Alloy Steel F22 BLRF Flanges (Blind Raised Face Flanges)
  • ASME SA182 Alloy Steel F91 BLRF Flanges (Blind Raised Face Flanges)
SWRF Flanges
  • Alloy Steel F21 SWRF Flanges (Socket Weld Raised Face Flanges)
  • UNS K41545 SWRF Flanges (Socket Weld Raised Face Flanges)
  • Werkstoff Nr. 1.7380 SWRF Flanges (Socket Weld Raised Face Flanges)
  • DIN 10CRM0910 SWRF Flanges (Socket Weld Raised Face Flanges)
  • ASTM A182 Alloy Steel F21 SWRF Flanges (Socket Weld Raised Face Flanges)
  • ASTM A182 Alloy Steel F22 SWRF Flanges (Socket Weld Raised Face Flanges)
  • ASME SA182 Alloy Steel F91 SWRF Flanges (Socket Weld Raised Face Flanges)
Weldo Flanges
  • Alloy Steel F21 Weldo Flanges
  • UNS K41545 Weldo Flanges
  • Werkstoff Nr. 1.7380 Weldo Flanges
  • DIN 10CRM0910 Weldo Flanges
  • ASTM A182 Alloy Steel F21 Weldo Flanges
  • ASTM A182 Alloy Steel F22 Weldo Flanges
  • ASME SA182 Alloy Steel F91 Weldo Flanges
Flat Flanges
  • Alloy Steel F21 Flat Flanges
  • UNS K41545 Flat Flanges
  • Werkstoff Nr. 1.7380 Flat Flanges
  • DIN 10CRM0910 Flat Flanges
  • ASTM A182 Alloy Steel F21 Flat Flanges
  • ASTM A182 Alloy Steel F22 Flat Flanges
  • ASME SA182 Alloy Steel F91 Flat Flanges
Nipolet Flanges
  • Alloy Steel F21 Nipolet Flanges
  • UNS K41545 Nipolet Flanges
  • Werkstoff Nr. 1.7380 Nipolet Flanges
  • DIN 10CRM0910 Nipolet Flanges
  • ASTM A182 Alloy Steel F21 Nipolet Flanges
  • ASTM A182 Alloy Steel F22 Nipolet Flanges
  • ASME SA182 Alloy Steel F91 Nipolet Flanges
Lap-joint Flanges
  • Alloy Steel F21 Lap-joint Flanges
  • UNS K41545 Lap-joint Flanges
  • Werkstoff Nr. 1.7380 Lap-joint Flanges
  • DIN 10CRM0910 Lap-joint Flanges
  • ASTM A182 Alloy Steel F21 Lap-joint Flanges
  • ASTM A182 Alloy Steel F22 Lap-joint Flanges
  • ASME SA182 Alloy Steel F91 Lap-joint Flanges
Reducing Flanges
  • Alloy Steel F21 Reducing Flanges
  • UNS K41545 Reducing Flanges
  • Werkstoff Nr. 1.7380 Reducing Flanges
  • DIN 10CRM0910 Reducing Flanges
  • ASTM A182 Alloy Steel F21 Reducing Flanges
  • ASTM A182 Alloy Steel F22 Reducing Flanges
  • ASME SA182 Alloy Steel F91 Reducing Flanges
Spectacle Flanges
  • Alloy Steel F21 Spectacle Flanges
  • UNS K41545 Spectacle Flanges
  • Werkstoff Nr. 1.7380 Spectacle Flanges
  • DIN 10CRM0910 Spectacle Flanges
  • ASTM A182 Alloy Steel F21 Spectacle Flanges
  • ASTM A182 Alloy Steel F22 Spectacle Flanges
  • ASME SA182 Alloy Steel F91 Spectacle Flanges


Dimensions of ALLOY STEEL F21/ F22/F91 Blind Flanges :

ALLOY STEEL F21/ F22/F91 -flanges-Dimensions
Size in Inch Size in mm Outer Diameter Flange Thickness Hub OD Weld Neck OD Welding Neck Length Bore RF Diameter RF Height PCD Weld Face
　 　 A B C D E F G H I J
1/2 15 90 9.6 30 21.3 46 Refer Note 34.9 2 60.3 1.6
3/4 20 100 11.2 38 26.7 51 42.9 2 69.9 1.6
1 25 110 12.7 49 33.4 54 50.8 2 79.4 1.6
1 1/4 32 115 14.3 59 42.2 56 63.5 2 88.9 1.6
1 1/2 40 125 15.9 65 48.3 60 73 2 98.4 1.6
2 50 150 17.5 78 60.3 62 92.1 2 120.7 1.6
2 1/2 65 180 20.7 90 73 68 104.8 2 139.7 1.6
3 80 190 22.3 108 88.9 68 127 2 152.4 1.6
3 1/2 90 215 22.3 122 101.6 70 139.7 2 177.8 1.6
4 100 230 22.3 135 114.3 75 157.2 2 190.5 1.6
5 125 255 22.3 164 141.3 87 185.7 2 215.9 1.6
6 150 280 23.9 192 168.3 87 215.9 2 241.3 1.6
8 200 345 27 246 219.1 100 269.9 2 298.5 1.6
10 250 405 28.6 305 273 100 323.8 2 362 1.6
12 300 485 30.2 365 323.8 113 381 2 431.8 1.6
14 350 535 33.4 400 355.6 125 412.8 2 476.3 1.6
16 400 595 35 457 406.4 125 469.9 2 539.8 1.6
18 450 635 38.1 505 457.2 138 533.4 2 577.9 1.6
20 500 700 41.3 559 508 143 584.2 2 635 1.6
24 600 815 46.1 663 610 151 692.2 2 749.3 1.6


Size of ALLOY STEEL F21/ F22/F91 Stainless Steel Flanges :


Normal Sizes In inch Dimension Flanges Dimensional Sizes 1/2 inch. to 2 1/2 inch.
Class 125
Class 150 		Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
inch. mm inch. millimeter inch. mm inch. mm inch. mm inch. mm inch mm
1/2 A 3 1/2 88.9 3 3/4 95.2 3 3/4 95.2 3 3/4 95.2 4 3/4 121 4 3/4 121 5 1/4 133.4
b 7/16 11.1 9/16 14.3 9/16 14.3 9/16 14.3 7/8 22.2 7/8 22.2 1 3/16 30.2
D2 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9
D1 2 3/8 60.3 2 5/8 66.7 2 5/8 66.7 2 5/8 66.7 3 1/4 82.6 3 1/4 82.6 3 1/2 88.9
n 4 4 4 4 4 4 4 4 4 4 4 - 4 44
d 5/8 15.9 5/8 15.9 5/8 15.9 5/8 15.9 7/8 22.2 7/8 22.2 7/8 22.2
3/4 A 3 7/8 98.4 4 5/8 117.5 4 5/8 117.5 4 5/8 117.5 5 1/8 130 5 1/8 130 5 1/2 139.7
b 1/2 12.7 5/8 15.9 5/8 15.9 5/8 15.9 1 25.4 1 25.4 1 1/4 31.8
D2 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9
D1 2 3/4 69.8 3 1/4 82.5 3 1/4 82.5 3 1/4 82.5 3 1/2 88.9 3 1/2 88.9 3 3/4 95.2
n 4 4 4 4 4 4 4 4 4 4 4 - 4 44
d 5/8 15.9 3/4 19 3/4 19 3/4 19 7/8 22.2 7/8 22.2 7/8 22.2
1 A 4 1/4 108 4 7/8 123.8 4 7/8 123.8 4 7/8 123.8 5 7/8 149.2 5 7/8 149.2 6 1/4 159
b 9/16 14.3 11/16 17.5 11/16 17.5 11/16 17.5 1 1/8 28.6 1 1/8 28.6 1 3/8 34.9
D2 2 50.8 2 50.8 2 50.8 2 50.8 2 50.8 2 50.8 2 50.8
D1 3 1/8 79.4 3 1/2 88.9 3 1/2 88.9 3 1/2 88.9 4 102 4 102 4 1/4 108
n 4 4 4 4 4 4 4 4 4 4 4 4 4 4
d 5/8 15.9 3/4 19 3/4 19 3/4 19 1 25.4 1 25.4 1 25.4
1 1/4 A 4 5/8 117.5 5 1/4 133.4 5 1/4 133.4 5 1/4 133.4 6 1/4 159 6 1/4 159 7 1/4 184.2
b 5/8 15.9 3/4 19 13/16 20.6 13/16 20.6 1 1/8 28.6 1 1/8 28.6 1 1/2 38.1
D2 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5
D1 3 1/2 88.9 3 7/8 98.4 3 7/8 98.4 3 7/8 98.4 4 3/8 111 4 3/8 111 5 1/8 130
n 4 4 4 4 4 4 4 4 4 4 4 4 4 4
d 5/8 15.9 3/4 19 3/4 19 3/4 19 1 25.4 1 25.4 1 1/8 28.6
1 1/2 A 5 127 6 1/8 155.6 6 1/8 155.6 6 1/8 155.6 7 177.8 7 177.8 8 203
b 11/16 17.5 13/16 20.6 7/8 22.2 7/8 22.2 1 1/4 31.8 1 1/4 31.8 1 3/4 44.5
D2 2 7/8 73 98 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73
D1 3 7/8 4 4 1/2 114 4 1/2 114 4 1/2 114 4 7/8 124 4 7/8 124 5 3/4 146
n 4 4 4 4 4 4 4 4 4 4 4 4 4 4
d 5/8 . 15.9 7/8 22.2 7/8 22.2 7/8 22.2 1 1/8 28.6 1 1/8 28.6 1 1/4 31.8
2 A 6 152.4 6 1/2 165.1 6 1/2 165.1 6 1/2 165.1 8 1/2 215.9 8 1/2 215.9 9 1/4 234.9
b 3/4 19 7/8 22.2 1 25.4 1 25.4 1 1/2 38.1 1 1/2 38.1 2 50.8
D2 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1
D1 4 3/4 121 5 127 5 127 5 127 6 1/2 165.1 6 1/2 165.1 6 3/4 171
n 4 4 8 8 8 8 8 8 8 8 8 8 8 8
d 3/4 19 3/4 19 3/4 19 3/4 19 1 25.4 1 25.4 1 1/8 28.6
2 1/2 A 7 177.8 7 1/2 190.5 7 1/2 190.5 7 1/2 190.5 9 5/8 244 9 5/8 244 10 1/2 266.7
b 7/8 22.2 1 25.4 1 1/8 28.6 1 1/8 28.6 1 5/8 41.3 1 5/8 41.3 2 1/4 57.2
D2 4 1/8 104.8 4 1/8 104.8 4 1/8 104.8 4 1/8 104.8 4 1/8 105 4 1/8 105 4 1/8 105
D1 5 1/2 139.7 5 7/8 149.2 5 7/8 149.2 5 7/8 149.2 7 1/2 190.5 7 1/2 190.5 7 3/4 197
n 4 4 8 8 8 8 8 8 8 8 8 8 8 8
d 3/4 19 7/8 22.2 7/8 22.2 7/8 22.2 1 1/8 28.6 1 1/8 28.6 1 1/4 31.8


AVAILABLE STOCK OF ALLOY STEEL F21/ F22/F91 FLANGES :


Preview Products UNS DIN
ALLOY STEEL F21/ F22/F91 SORF Flange ALLOY STEEL F21/ F22/F91 SORF Flange UNS K41545 SORF Flange 1.7380 SORF Flange
ALLOY STEEL F21/ F22/F91 WNRF Flange ALLOY STEEL F21/ F22/F91 WNRF Flange UNS K41545 WNRF Flange 1.7380 WNRF Flange
ALLOY STEEL F21/ F22/F91 SWRF Flange ALLOY STEEL F21/ F22/F91 SWRF Flange UNS K41545 SWRF Flange 1.7380 SWRF Flange
ALLOY STEEL F21/ F22/F91 BLRF Flange ALLOY STEEL F21/ F22/F91 BLRF Flange UNS K41545 BLRF Flange 1.7380 BLRF Flange
ALLOY STEEL F21/ F22/F91 RTJ Flange ALLOY STEEL F21/ F22/F91 RTJ Flange UNS K41545 RTJ Flange 1.7380 RTJ Flange


Equivalent Grades of ALLOY STEEL F21/ F22/F91 Flanges :


STANDARD UNS WERKSTOFF NR. DIN
Alloy Steel F21 K41545 1.7380 10CRM0910


Chemical Composition of ALLOY STEEL F21/ F22/F91 Flanges :


Grade C Mn Si P S Cr Mo
Alloy Steel F21  0.15 max  0.3-0.6 0.5  0.03 0.03 4-6 0.44-0.65


Mechanical Properties of ALLOY STEEL F21/ F22/F91 Flanges :


Grade Tensile Strength (Mpa) Yield Strength (Mpa) Elongation %
A182 F21 275 485 20


ALLOY STEEL F21/ F22/F91 Price Per Kg (As per demand and manufacturer):


Alloy Flanges Price List
ALLOY STEEL F21 flange(pipe fittings) ₹ 564.34-₹ 1,058.13 / Kilogram
ALLOY STEEL F21 Slip On Flanges ₹ 1,05,812.10-₹ 1,12,866.24 / Ton
ALLOY STEEL F21 TH Flange ₹ 70.55-₹ 2,82,165.60 / Piece
ALLOY STEEL F21 UNS K41545 forged flange ₹ 70.55-₹ 7,054.14 / Piece
ALLOY STEEL F21 UNS K41545 WN flange ₹ 705.42-₹ 7,054.14 / Piece
ALLOY STEEL F21 ANSI B16.5 R.F 150# Sch10s 2'' W.N. Nickel Flange ₹ 141.09 / Acre
ALLOY STEEL F21 bright flange ₹ 70,541.40-₹ 1,76,353.50 / Ton
ALLOY STEEL F21 Weld Neck Flange ₹ 705.42-₹ 1,41,082.80 / Piece
ALLOY STEEL F21 Flanges ₹ 564.34-₹ 1,058.13 / Kilogram
ALLOY STEEL F21 flange with low price ₹ 70,541.40-₹ 1,05,812.10 / Ton


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ALLOY STEEL F21/ F22/F91 Flanges

Request the latest ALLOY STEEL F21/ F22/F91 Flanges Price List. Please Call +91 98691 88888 or Send an Email to sales@duplexsteel.org for ALLOY STEEL F21/ F22/F91 , 1.7380 Flanges Ready stock information and updated price list.

Testings (Destructive, Non Destructive):

Photo
  • Positive Material Identification - PMI Testing
  • Chemical Analysis - Spectro Analysis
  • Mechanical Testing Such as Tensile, Elongation, Reduction of Area
  • Micro Test
  • Macro Test
  • Hardness Test
  • Pitting Resistance Test
  • Intergranular Corrosion (IGC) Test
  • Flaring Test
  • Flattening Test
  • Hydrostatic Test
  • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
Photo
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  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
  • Radiography Test
  • Dye Penetrant Test (DP Test)
  • Ultra Sonic Test (UT)
  • Eddy Current Testing
  • Impact Test
  • Bend Test

Packing :

We DUPLEX STEEL & ENGINEERING Ensure the best quality of Packing, because its play important role especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put extraordinary concern regarding packaging.

We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as:--

  • Boxes and Crates
  • Shrink-wrapped
  • Carton boxes
  • Wooden pallets
  • Wooden boxes
  • Wooden crates
Photo
Photo
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APPLICATION :

  • Chemical tanks
  • Pulp & Paper Industries
  • Petrochemical Industries
  • Power Generation Industries
  • Oil & Gas Industries
  • Desalination
  • Architecture and Construction
  • Food Processing Equipment
  • Biofuels plant
  • Cargo tanks for ships and trucks
  • Chemical Industries Pumps, fans, centrifuges, sulphur melting coils,
  • Digester in sulphate and sulfite plants, blow tanks, blow lines
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DUPLEX STEEL & ENGINEERING s Corporation manufactures and exports ​Alloy Steel F21 Pipe Flange​ to various countries such as Saudi Arabia, Bangladesh, United States, United Arab Emirates, Canada, Angola, Argentina, Austria, Azerbaijan, Pakistan, Peru, Chile, Kuwait, Mexico, Malaysia, Nigeria, Serbia, Singapore, Taiwan, Chile, Venezuela, Ecuador, Netherlands, Brazil, Vietnam, South Africa, Nigeria, Mexico, Turkey, Hungary, Algeria, Belarus, Belgium, Bhutan, Bolivia, Bulgaria, Croatia, Czech Republic, Estonia, Finland, Greece, Italy, Japan, Libya, Colombia, Ghana, Iran, Denmark, Poland, Australia, Afghanistan, Bahrain, Costa Rica, Egypt, Iraq, Jordan, Korea, Kazakhstan, Sri Lanka, Lithuania, Norway, Oman, Philippines, Poland, Qatar, Spain, France, United Kingdom, Indonesia, Israel, Iran, Russia, Romania, Thailand, Trinidad & Tobago,Tunisia, Ukraine, Yemen, Hong Kong, Gabon, China, Portugal, Switzerland, New Zealand, Sweden, Slovakia, Kenya, Lebanon, Morocco, Mongolia.

DUPLEX STEEL & ENGINEERING s Corporation manufactures and exports ​Alloy Steel F21 Flanges to multiple cities such as Mumbai, Thane, Navi Mumbai, Pune, Pimpri-Chinchwad, Vadodara, Kolkata, Gujarat, Gurgaon, Ahmedabad, Seoul, Hyderabad, Nashik , Singapore, Abu Dhabi, Tehran, Calgary, Noida, Riyadh, London, Coimbatore, Jakarta, Istanbul, Bangkok, Kuwait City, Sharjah, Muscat, Edmonton, Busan, Mexico City, Doha, New Delhi, Bengaluru, Chennai, Surat, Bhopal, Ulsan, Faridabad,Gujarat, Houston, Dubai, Jeddah, Aberdeen, Cairo, Geoje-si, Perth, Santiago, Chandigarh, Indore, Kuala Lumpur, Rio de Janeiro, Dammam, Melbourne, Madrid, La Victoria, Bogota, Lahore, Los Angeles, Algiers, Chiyoda, Ankara, Ho Chi Minh City, Toronto, Hong Kong, Howrah, Sydney, Ahvaz, Karachi, Rajkot, Brisbane, Petaling Jaya, Ernakulam, Secunderabad, Gimhae-si, Al Jubail, Port-of-Spain, Thiruvananthapuram, Milan, Atyrau, Lagos, Hanoi, New York, Caracas, Vung Tau, Al Khobar, Manama, Montreal, Granada, Courbevoie, Visakhapatnam, Ludhiana, Moscow, Dallas, Haryana, Colombo.