Alloy Steel F11 Flanges

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Bhavesh Steel has earned a solid reputation as a reliable manufacturer and supplier of Alloy Steel F11 Flanges in Dubai, UAE. They offer top-notch products designed to meet the varied needs of industrial clients. With a strong focus on excellence and innovation, the company provides flanges that adhere to international quality standards, ensuring they perform reliably even in tough conditions. Thanks to their state-of-the-art manufacturing facilities, skilled workforce, and a customer-first mindset, Bhavesh Steel has established itself as a prominent player in the alloy steel sector throughout the Middle East. They serve a range of industries, including oil and gas, power generation, and petrochemicals, consistently delivering precision and durability.

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Alloy Steel F11 RTJ Flanges

Alloy Steel F11 Forged Flanges

Alloy Steel F11 Plate Flanges

Table of Contents

What is Alloy Steel F11 Flanges?

Alloy Steel F11 Flanges are mainly made up of chromium (1.00–1.50%) and molybdenum (0.44–0.65%), along with carbon, manganese, and silicon, which give them remarkable resistance to corrosion and high temperatures. These flanges boast impressive mechanical properties, featuring a tensile strength between 415–585 MPa and a yield strength of about 205 MPa. They also offer good ductility, with a minimum elongation of 20%, and are often heat-treated to boost their toughness and durability. These characteristics make F11 flanges perfect for high-pressure and high-temperature applications.

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Alloy Steel Flanges

Alloy Steel F11 Flanges Specification

SpecificationsASTM A182 Alloy Steel F11 Flanges
ASME B16.5 Alloy Steel F11 Flanges size range1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Alloy Steel F11 Flanges StandardsASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges,
Alloy Steel F11 Flanges Standard DIN6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
Alloy Steel F11 Flanges Standard ANSIClass 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Alloy Steel F11 Flanges Standard UNI6Bar 10Bar 16Bar 25Bar 40Bar
Alloy Steel F11 Flanges Standard JIS5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
Alloy Steel F11 Flanges Standard EN6Bar 10Bar 16Bar 25Bar 40Bar
Main TypesForged / Threaded / Screwed / Plate
Flange supporting materialGasket, Ring Joint, Flange Bolts
Alloy Steel F11 Pipe Flanges Test CertificatesEN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face TypeSmall Male-Female (SMF), Small Tongue & Groove, Large Tongue & Groove,Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF)
Most common types of Alloy Steel F11 Flanges
  • Blind Ring Flange (BLRF), Alloy Steel F11 Flanges
  • Threaded Ring Flange, Alloy Steel F11 Flanges
  • Ring Type Joint Flange (RTJF), Alloy Steel F11 Flanges
  • Weld Neck Ring Flange (WNRF), Alloy Steel F11 Flanges
  • Lap Joint Ring Flange (LJRF), Alloy Steel F11 Flanges
  • Socket Weld Ring Flange (SWRF), Alloy Steel F11 Flanges
  • Slip-On Ring Flange (SORF), Alloy Steel F11 Flanges
  •  
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2″) to 200 NB (8″)
Equal and Reducing Configurations

Alloy Steel F11 Flanges Threaded Flanges, Socketweld Flanges, Slip-On Flanges, Blind Flanges, Weld Neck Flanges

TestDirect-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
OriginIndian / West Europe / Japan / USA / Korean
EquipmentPress machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Specialized manufacturer of
  • DIN 2566 pn16
  • DIN 2566 en 1092 1
  • DIN 2566 pn10
  • Rtj Flanges
  • Pn16 Flanges
  • Alloy Steel F11 Weld Neck Flanges
  • Alloy Steel F11 Flanges
  • Alloy Steel F11 Slip-On Flanges
  • Alloy Steel F11 Socketweld Flanges
  • Alloy Steel F11 Plate Flanges
  • Alloy Steel F11 Large Diameter Flanges
  • Alloy Steel F11 Sorf Flanges
  • Alloy Steel F11 Blind Flanges
  • Alloy Steel F11 Table Flanges
  • Alloy Steel F11 Lap Joint Flanges
  • Alloy Steel F11 Loose Flanges
  • Alloy Steel F11 Orifice Flanges
  • Alloy Steel F11 AS 4087 Water Flanges
Alloy Steel F11 Flanges Standard

ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange, ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE,
BS Flange, EN Flange, API 6A Flange etc

  • B.S: BS4504 , BS3293, BS1560, BS10
  • AS 2129: Table D; Table E; Table H
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • American standard (ANSI)
  • German (DIN)
  • British standard (BS)
  • Any other specilised flanges
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276
Key markets and industries for Alloy Steel F11 Flanges
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
  • Bitumen upgraders.
  • Heavy oil refineries.
Export toThailand, Peru, Iran, Korea, Singapore, Ireland, Oman, Dubai, UAEraine, Brazil, India, Canada, Egypt, Indonesia, USA, Spain, Saudi Arabia, etc
Alloy Steel F11 Flanges Application
  • To Connect Pipe & Tubes in Gas,Construction Metallurgy, Petroleum, Shipbuilding, Power, Chemical etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Alloy Steel F11 Flanges Chemical Composition

GradeCMnPSSiNiChMoCb
F110.150.30-0.600.0300.0300.50-1.001.00-1.500.44-0.65

Alloy Steel F11 Flanges Mechanical Properties

Grade  Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
F11 415 205 20 121-174

Alloy Steel F11 Flanges Equivalent Grades

STANDARD UNS WERKSTOFF NR.
Alloy Steel F11 K11597/K11572 1.7335

If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Alloy Steel F11 Flanges Weight Chart

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

Top Manufacturer and Supplier of Alloy Steel F11 Flanges in Dubai, UAE​

Bhavesh Steel is a top manufacturer and supplier of high-quality Alloy Steel F11 Flanges products in Dubai, UAE. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.

Alloy Steel F11 Flanges Supplier in Dubai, Alloy Steel F11 SORF Flanges Exporter in Ajman, UNS K11597 Alloy Steel F11 Slip on Flanges Manufacturer in Dubai, Alloy F11 Spectacle Blind Flanges Dealer Price List in Sharjah, Alloy Steel F11 Plate Flanges Distributor in Dubai, Alloy Steel F11 Flanges in Jebel Ali, Alloy F11 Threaded Flanges Supplier in Dubai, Alloy Steel F11 SORF Flanges Distributor in UAE

Types of Alloy Steel F11 Flanges

Alloy Steel F11 Socket Weld Flanges
Alloy Steel F11 Long Weld Neck Flanges
Alloy Steel F11 Ring Type Joint Flanges
Alloy Steel F11 Lap Joint Flanges
Alloy Steel F11 Blind Flanges
Alloy Steel F11 Weld Neck Flanges

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Uses of Alloy Steel F11 Flanges

Industries such as oil and gas, petrochemicals, power plants, and chemical processing heavily rely on Alloy Steel F11 Flanges due to their strength and resistance to heat and corrosion. They are particularly well-suited for situations involving high-pressure steam, thermal cycling, and harsh chemical environments. You’ll commonly find these flanges in pipelines, pressure vessels, boilers, and heat exchangers, where maintaining reliable joint integrity is essential. Their excellent weldability and toughness also make them a great choice for refineries and offshore drilling platforms, ensuring they perform well in critical systems over the long haul.

Industry We Serve

Food Industry

Oil and Gas Industry

petrochemical industry