Alloy Steel A182 F11 Flanges

ASTM A182 Alloy Steel F11 Flanges Manufacturer, UNS K11597 Weld Neck Flange, ASTM A182 F11 Slip-on Flange, WNR 1.7338 Lap Joint Flange, Cr-Mo F11 Blind Flange

Alloy grade F11 is a low alloy steel that contains chromium and molybdenum. It is commonly used for high-temperature applications in industries such as oil and gas, power generation, and petrochemicals. F11 flanges are designed and manufactured using this alloy grade material, and they are commonly used in piping systems to connect pipes and other equipment.

F11 flanges have good corrosion resistance, high strength, and excellent heat resistance, making them suitable for use in high-temperature and high-pressure environments. They are available in various types such as slip-on, weld neck, threaded, socket weld, and blind flanges, and they can be customized according to specific requirements.

When selecting F11 flanges, it is important to consider factors such as pressure rating, temperature rating, and the specific application requirements. It is also important to ensure that the flanges comply with relevant standards such as ASME B16.5, ASME B16.47, and API 6A.

Alloy Steel F11 Flanges

ASME / ANSI B16.5 Alloy Steel F11 RTJ Flange, PN10 PN16 Chromium Molybdenum Gr. F11 Threaded Flange, Table D & Table E Chrome Moly F11 Spectacle Blind Flange, ANSI 150 Alloy Grade F11 Socket Weld Flange at the Lowest Prices

Alloy Steel F11 Flange Specifications

Size Range

1/2″ (15 NB) to 48″ (1200NB)

Class / Pressure Rating

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Standards / Dimensions

ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605

Connection Type

Ring Joint Flange (RTJ), Flat Face Flange (FF), Raised Face Flange (RF), Male and Female Flange (M & F), Lap Joint Flange, Large and Small Tongue-and-Groove Flange (T & G)

Material Standards

ASTM A182 / ASME SA182

Alloy Steel F11 Flanges Equivalent Grade

STANDARD UNS WERKSTOFF NR. Trade Name
Alloy Steel F11 K11597 1.7338 1-1/4Cr-1/2Mo

ASTM A182 Alloy Steel Grade F11 Flanges Chemical Composition

Grade C Mn Si P S Cr Mo
Alloy Steel F11 0.15 max 0.3-0.6 0.5 – 1 0.03 0.03 1 – 1.5 0.044 – 0.65

Alloy Steel A182 F11 Flanges Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min
Alloy Steel F11 205 415 20

Find the largest ready stock of  Class 300#, 600#, 900#, 1500#, 2500# Alloy Steel F11 Flanges, 1-1/4Cr-1/2Mo F11 Expander Flanges at Best Price, F11 Chrome Moly Steel Forging Facing Flanges, Cr-Mo F11 Weld Neck Flanges, Alloy Steel 1.7338 Flanges Dimensions, Alloy F11 BS Standard Table E Flange, Chrome Moly UNS K11597 Lap Joint Flanges, Alloy Grade F11 Long Welding Neck Flange, F11 Alloy Steel Blind Flange, Alloy Steel F11 Weld Neck Flanges A / B, Chromium Molybdenum F11 Socket weld Flanges, F11 Alloy Steel Nipo Flanges, Cr-Mo UNS K11597 Flanges, ANSI B16.5 Alloy Steel F11 Pipe Flange

A182 Alloy Steel F11 Flanges Dimensions & Size

Nominal Pipes Sizes OD (Outside Dia) of Flange Thickness Dia of Raised Face Dia of Hub at Base Length Thru Hub Dia or Bore Dia 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

A182 Alloy Steel F11 Flanges Weight Chart

CLASS Nominal Pipe Size Slip On Threaded Socket Weld Lap Joint Blind Weld Neck
150 lb ½ 1 1 2 1 2 2
¾ 2 2 2 2 2 2
1 2 2 2 2 2 3
3 3 3 3 3 3
3 3 3 3 4 4
2 5 5 5 5 5 6
8 8 8 8 7 10
3 9 9 9 9 9 11.5
11 12 11 11 13 12
4 13 13 13 13 17 16.5
5 15 15 15 15 20 21
6 19 19 19 19 27 26
8 30 30 30 30 47 42
10 43 43 43 43 70 54
12 64 64 64 64 123 88
14 90 90 90 105 140 114
16 106 98 98 140 180 140
18 130 130 130 160 220 165
20 165 165 165 195 285 197
22 185 185 185 245 355 225
24 220 220 220 275 430 268
 
300 lb ½ 2 2 3 2 2 2
¾ 3 3 3 3 3 3
1 3 3 3 3 4 4
4.5 4.5 4 4.5 6 5
6.5 6.5 6 6.5 7 7
2 7 7 7 7 8 9
10 10 10 10 12 12
3 13 14 13 14.5 16 18
17 17 17 17 21 20
4 23.5 24 22 24 28 26.5
5 29 31 28 28 37 36
6 39 39 39 39 50 45
8 58 58 58 58 81 69
10 81 81 81 91 124 100
12 115 115 115 140 185 142
14 165 165 165 190 250 206
16 210 220 190 234 315 250
18 253 280 250 305 414 320
20 315 325 315 375 515 400
22 370 370 370 435 640 465
24 490 490 475 550 800 580
 
400 lb ½ 2 2 2 2 2 3
¾ 3 3 3 3 3 3.5
1 3.5 3.5 3.5 3.5 4 4
4.5 4.5 4.5 4.5 6 4.5
6.5 6.5 6.5 6.5 8 8
2 8 8 8 8 10 10
12 12 12 11 15 14
3 15 15 15 14 20 18
21 21 21 20 29 26
4 26 26 26 25 33 35
5 31 31 31 29 44 43
6 44 44 44 42 61 57
8 67 67 67 64 100 89
10 91 91 91 110 155 125
12 130 130 130 152 226 175
14 191 191 191 210 310 233
16 253 253 253 280 398 295
18 310 310 310 345 502 360
20 378 378 378 420 621 445
22 405 405 405 455 720 505
24 539 539 539 615 936 640
 
600 lb ½ 2 2 2 2 3 3
¾ 3 3 3 3 4 4
1 4 4 4 4 4 4
5 5 5 5 6 6
7 7 7 7 8 8
2 9 9 9 9 10 12
13 13 13 12 15 18
3 16 16 16 15 20 23
21 21 21 20 29 26
4 37 37 37 36 41 42
5 63 63 63 63 68 68
6 80 80 80 78 86 81
8 115 115 115 112 140 120
10 177 177 177 195 231 190
12 215 215 215 240 295 226
14 259 259 259 290 378 347
16 366 366 366 400 527 481
18 476 476 476 469 665 555
20 612 612 612 604 855 690
22 590 590 590 670 1000 720
24 876 876 876 866 1250 977
 
900 lb ½ 6 6 6 6 4 7
¾ 6 6 6 6 6 7
1 7.5 7.5 7.5 7.5 9 8.5
10 10 10 10 10 10
14 14 14 14 14 14
2 22 22 22 21 25 24
31 31 31 25 32 31
3 36 36 36 29 35 36
4 53 53 53 51 54 53
5 83 83 83 81 87 86
6 110 110 110 105 115 110
8 172 172 172 190 200 187
10 245 245 245 277 290 268
12 326 326 326 371 415 372
14 400 400 400 415 520 562
16 459 459 459 488 619 685
18 647 647 647 670 880 924
20 792 792 792 868 1107 1164
24 1480 1480 1480 1659 2099 2107
 
1500 lb ½ 6 6 6 6 4 7
¾ 6 6 6 6 6 7
1 8 8 8 8 9 9
10 10 10 10 10 10
14 14 14 14 14 14
2 25 25 25 25 25 25
36 36 36 35 35 36
3 48 48 48 47 48 48
4 73 73 73 75 73 73
5 132 132 132 140 140 132
6 165 165 165 170 160 165
8 260 260 260 286 302 275
10 436 436 436 485 510 455
12 667 667 667 749 775 690
14 940 940 940 890 975 940
16 1250 1250 1250 1250 1300 1250
18 1625 1625 1625 1475 1750 1625
20 2050 2050 2050 1775 2225 2050
24 2825 2825 2825 2825 3625 3325
 
2500 lb ½ …. 7 …. 7 7 8
¾ …. 9 …. 8 10 9
1 …. 12 …. 12 12 13
…. 18 …. 17 18 20
…. 25 …. 24 25 28
2 …. 38 …. 37 39 42
…. 55 …. 53 56 52
3 …. 83 …. 80 86 94
4 …. 127 …. 122 133 146
5 …. 210 …. 204 223 244
6 …. 323 …. 314 345 378
8 …. 485 …. 471 533 576
10 …. 925 …. 897 1025 1068
12 …. 1300 …. 1262 1464 1608

Alloy Steel Grade F11 Flange Pressure Ratings

Temp. °F Class 75 psi Class 150 psi Class 300 psi Class 400 psi Class 600 psi Class 900 psi Class 1500 psi Class 2500 psi
-20~100 145 290 750 1000 1500 2250 3750 6250
200 135 260 735 980 1470 2210 3680 6135
300 115 230 700 935 1400 2100 3495 5830
400 100 200 670 890 1335 2005 3345 5570
500 85 170 645 860 1290 1940 3230 5385
600 70 140 605 805 1210 1815 3025 5040
650 60 125 590 785 1175 1765 2940 4905
700 110 570 755 1135 1705 2840 4730
750 95 530 710 1065 1595 2660 4430
800 80 510 675 1015 1525 2540 4230
850 65 485 650 975 1460 2435 4060
900 50 375 500 745 1120 1870 3115
950 35 275 365 550 825 1370 2285
1000 20 200 265 400 595 995 1655
1050 145 190 290 430 720 1200
1100 95 130 190 290 480 800
1150 60 80 125 185 310 515
1200 35 45 70 105 170 285

ANSI/ASME SA-182 B16.5 Alloy Steel F11 Flanges Schedule / Class

Flange Schedule/Class Pipe Size – Pipe Flanges Flange Connection Type Flange Material Max. Pressure
ASME B16.5 Class 150 1/2″ FNPT Alloy Steel F11 / Cr-Mo F11 / A182 F11 Flange 150 psi
ASME B16.5 Class 150 1/2″ Socket Weld 275 psi
ASME B16.5 Class 150 1/2″ Welded 150 psi
ASME B16.5 Class 150 3/4″ FNPT 150 psi
ASME B16.5 Class 150 3/4″ Socket Weld 275 psi
ASME B16.5 Class 150 1-1/4″ Socket Weld 275 psi
ASME B16.5 Class 150 1-1/2″ Socket Weld 275 psi
ASME B16.5 Class 150 2″ FNPT 150 psi
ASME B16.5 Class 150 2″ Socket Weld 275 psi
ASME B16.5 Class 150 2-1/2″ Socket Weld 275 psi
ASME B16.5 Class 150 3″ Socket Weld 275 psi
ASME B16.5 Class 150 4″ FNPT 150 psi
ASME B16.5 Class 150 4″ Socket Weld 275 psi
ASME B16.5 Class 300 1/2″ Slip On 720 psi
ASME B16.5 Class 300 1/2″ Slip On 720 psi
ASME B16.5 Class 300 1″ Slip On 720 psi
ASME B16.5 Class 300 1″ Slip On 720 psi
ASME B16.5 Class 300 1-1/4″ FNPT 720 psi
ASME B16.5 Class 300 1-1/4″ Slip On 720 psi
ASME B16.5 Class 300 1-1/2″ Slip On 720 psi
ASME B16.5 Class 300 1-1/2″ Slip On 720 psi
ASME B16.5 Class 300 2″ Slip On 720 psi
ASME B16.5 Class 300 2″ Slip On 720 psi
ASME B16.5 Class 300 2-1/2″ Slip On 720 psi
ASME B16.5 Class 300 2-1/2″ Slip On 720 psi
ASME B16.5 Class 300 3″ Slip On 720 psi
ASME B16.5 Class 300 3″ Slip On 720 psi
ASME B16.5 Class 300 4″ Slip On 720 psi
ASME B16.5 Class 300 4″ Slip On 720 psi

Alloy Steel Grade F11 Flanges Standard

American Steel Flanges Standard
Standard CodeStandard Name
ANSI ASME SA-182Forged Flanges
ANSI ASME B16.5Slip on flange, Welding neck flange, Blind
flange, Threaded flange, Lap joint flange, RTJ flange
ASME – B 16.47Welding neck flange, Blind flange
ASME – B 16.36Welding neck flange Slip on flange
German Steel Flanges Standard
DIN 2527Steel Blind Flanges, BLRF
DIN 2573 / 2576Flat Flange for Welding (Slip On)
DIN 2673Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars)
DIN 2641 / 2642Lapped / Loose (Lap Joint) Flanges Plain Collars
DIN 28115Long Neck Welding Flanges
DIN PN10, PN16Alloy Steel F11 PN10 Flanges, F11 Alloy Steel DIN PN 10 Flanges, A182 F11 Alloy Steel PN16 Flange
DIN PN20, PN25Alloy Steel F11 PN20 Flanges, F11 Chrome Moly DIN PN 25 Flanges
DIN PN40, PN50Chrome Moly Steel F11 PN40 Flanges, F11 Alloy Steel DIN PN 50 Flanges
Japanese Steel Flanges Standard
JIS B2220Slipon plate flange (SOP), Slipon Hub (SOH),
Socket Welding flange (SW), Welding neck
flange (WN), Lapjoint (LJ), Threaded flange
(TR)/ Itegral flange (IT) Blank flange (BL)
JIS B2291Slipon plate flange (SOP), Slipon Hub (SOH),
Socket Welding flange (SW), Welding neck
flange (WN), Lapjoint (LJ), Threaded flange
(TR)/ Itegral flange (IT) Blank flange (BL)
JIS 5K, 10KAlloy Steel F11 5K SORF Flanges, F11 Alloy Steel 10K SOFF Flanges
JIS 16K, 20KAlloy Steel F11 16K Blind Flanges, A182 F11 Chromium Molybdenum Steel 20K BLRF Flanges
JIS 30K, 40KAlloy Steel F11 30K Slip on Flanges, F11 Alloy Steel 40K Blind Flanges
Italian Flanges Standard
UNI FLANGESPlan flanges (2276, 2277, 2278, 6083, 6084)
Welding neck (2280, 2281, 2282, 2283,
2284, 2285, 2286) Lapped flanges (6088,
6089, 6090, 2999, 2300) Blind flanges
(6091, 6092, 6093, 6094, 6095, 6096, 6097)
threaded flanges (2253, 2254)
British Standard Pipe Flanges Standard
BS 10 Table DAlloy Steel F11 BS 10 Table D Flanges, F11 Table D Pipe Flange
BS 10 Table EAlloy Steel F11 BS 10 Table E Flanges, A182 F11 Table E Pipe Flange
BS 10 Table FChromium Molybdenum Steel F11 BS 10 Table E Flanges, F11 Cr-Mo Table E Flanges
BS 10 Table HAlloy Steel F11 BS 10 Table E Flanges, Cr-Mo F11 Table E Pipe Flanges

Best quality Alloy Steel Grade F11 Flanges, MSS SP-44 CrMo F11 Plate Flange, F11 Alloy Steel Forged Flanges Exporter, Chromium Molybdenum Steel F11 Flange, Chrome Moly F11 Forged Flanges Flat Face, Alloy Steel F11 Flanges Dimension, Grade F11 Alloy Steel Flat Face Flanges, Cr-Mo F11 Spades Ring Spacers Flanges, Alloy A182 F11 Weld Neck Flanges, Alloy Steel F11 Weld Neck Flange, Alloy Steel F11 Backup Flange, ASME SA182 AS F11 RTJ Flanges, F11 AS SORF Flange, Alloy Steel F11 Lap Joint Flanges, Chrome Moly F11 Flanges, at Best Price.

Alloy Steel A182 Grade F11 Flanges Applications

Australia, Afghanistan, Algeria, Angola, Argentina, Armenia, Azerbaijan, Bahrain, Bangladesh, Benin,
Bhutan, Botswana, Brazil, Brunei, Burkina Faso, Cambodia, Cameroon, Canada, Central Africa Republic,
Chad, Chile, Colombia, Cuba, Cyprus, DRC, Djibouti, Egypt, Equatorial Guinea, Eritrea, Eswatini,
Ethiopia, Fiji, Finland, France, Georgia, Germany, Ghana, Greece, Hungary, Iceland, Indonesia, Iran,
Iraq, Ireland, Israel, Italy, Japan, Jordan, Kazakhstan, Kenya, Kuwait, Kyrgyzstan, Laos, Lebanon,
Lesotho, Liberia, Libya, Lithuania, Madagascar, Malawi, Malaysia, Maldives, Mali, Mexico, Morocco,
Mozambique, Mauritania, Myanmar, Namibia, Nepal, Netherlands, New Zealand, Nigeria, Norway, Oman,
Panama, Peru, Philippines, Poland, Portugal, Palestine, Qatar, Russia, Rwanda, Romania, Saudi Arabia,
Senegal, Sierra Leone, Singapore, Slovakia, Somalia, South Africa, South Korea, South Sudan, Spain,
Sri Lanka, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, Tasmania, Thailand, The Gambia,
Timor-Leste, Togo, Tunisia, Turkey, Turkiye, Turkmenistan, Uganda, Uzbekistan, United Arab Emirates (UAE),
United Kingdom (UK), United States (US), Venezuela, Vietnam, Yemen, Zambia, Zimbabwe

Abu Dhabi, Amsterdam, Abuja, Accra, Addis Ababa, Ahmedabad, Algiers, Amman, Ankara, Antananarivo,
Ashgabat, Asmara, Astana, Athens, Baghdad, Baku, Bamako, Bandar Seri Begawan, Bangkok, Bangui,
Banjul, Beirut, Bengaluru, Berlin, Bishkek, Bloemfontein, Bogotá, Bern, Brasília, Bratislava,
Bucharest, Budapest, Buenos Aires, Cairo, Canberra, Cape Town, Caracas, Chennai, Coimbatore, Dakar,
Damascus, Dhaka, Dili, Djibouti city, Dodoma, Doha, Dublin, Dushanbe, Freetown, Gaborone, Ghaziabad,
Guwahati, Hanoi, Harare, Havana, Helsinki, Hobart, Hyderabad, Indore, Jaipur, Jakarta, Jerusalem,
Juba, Jurong East, Kabul, Kampala, Kanpur, Kathmandu, Kigali, Kinshasa, Kochi, Kolkata, Kuala Lumpur,
Kuwait City, Lisbon, Lilongwe, Lima, Lobamba, Lomé, London, Luanda, Lucknow, Lusaka, Malabo, Madrid,
Malé, Mexico City, Manama, Moscow, Manila, Maputo, Maseru, Mbabane, Mogadishu, Monrovia, Mumabi,
Muscat, Nagpur, Nairobi, New Delhi, Niamey, Nicosia, Noida, Nouakchott, N’Djamena, Oslo, Ottawa,
Ouagadougou, Panama City, Paris, Patna, Phnom Penh, Porto-Novo, Pretoria, Pune, Rabat, Reykjavík,
Riyadh, Rome, Sana’a, Santiago, Sri Jayawardenepura Kotte, Stockholm, Seoul, Singapore, Surat,
Suva, Taipei City, Tashkent, Tokyo, Tbilisi, Tehran, Thimphu, Tripoli, Tunis, Vientiane, Vilnius,
Visakhapatnam, Warsaw, Washington D.C., Wellington, Windhoek, Yaoundé, Yerevan, Naypyidaw

Alloy Steel F11 Flanges Price

Omaa Metal Sources is ASME B16.5 ASTM A182 Alloy Steel F11 Flanges Exporters and Suppliers in the US, UK, South Africa, Saudi Arabia, Singapore, UAE, Oman, South Korea, Turkey, Bahrain, Malaysia, Philippines, Thailand, Norway, Indonesia, Iraq, Yemen, Bangladesh, Nigeria, Egypt, Peru, Ghana, Morocco, Etc.

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