Applications of the a182 f11 flanges are seen in various equipment’s like valves, pressure vessels, petrochemical operations, heat exchangers etc. in industries like refineries, chemical processing, power generation, oil and gas. These industries have a demand for alloys that can withstand high temperature and high pressured equipment’s.

Table of Content
Therefore the Chromoly based a182 f11 alloy steel flanges is seen in the fore mentioned industries as this grade of alloy tends to retain their robust properties. Another important property of the astm a182 f11 forged flange is its ability to withstand high temperature applications.
The Chromoly based astm a182 f11 material specification are ideal for applications, where the piping systems are to transport or carrying corrosive fluids or gases at high-temperatures. A benefit of using alloy steel a182 f11 socket weld flange is that they have a good performance even in harsh environments. Other enhanced properties of the alloy steel a182 f11 flanges includes the steel’s hardenability as well as toughness. The base of the astm a182 f11 chemical composition includes elements like chromium and molybdenum.
Adding these two alloys to the a182 f11 material equivalent flanges gives them enhanced mechanical properties like improved rigidity, strong creep strength, superior hardenability, good impact resistance as well as robust wear resistance. Easy to fabricate.Molybdenum has been a standard alloying material that has been used to produce creep-resistant steel. Molybdenum alloyed steel astm a182 f11 equivalent is capable of withstanding high temperatures of up to 530 °C.
Since Molybdenum not only reduces the creep rate of steel successfully, but also aids in slowing the coagulation as well as the formation of coarse carbides during high temperature applications. Furthermore, the high-temperature suitability and creep-resistance of the a182 f11 material means they acted as a key component in the applications in fields such as power generation and petrochemical plants.
Although using molybdenum as an alloyant for flanges is a good idea, using them in a continuous and increased manner does not work as the creep ductility decreases with an increase in the element. At temperatures beyond 500 °C the alloy is prone to graphitization or breaking down of iron carbides, which hinder the applications of these steels. A solution to combat both a reduced creep ductility as well as graphitization included the use of chromium along with molybdenum.
In a combined alloyed form, the a182 f11 mechanical properties are enhanced in a manner that the alloy is able to withstand higher working temperatures and with the added high tensile strength that can be attributed to chromium. Moreover, the addition of chromium results in exceptional oxidation. It also aids the steel to resist corrosion in a more effective manner. Chromium also provides good hardness penetration, while the content of molybdenum guarantees that the hardness is uniform in the alloy of the astm a182 f11 flange.
| Specifications | ASTM A182 Alloy Steel F11 Flanges |
|---|---|
| ASME B16.5 Alloy Steel F11 Flanges size range | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Alloy Steel F11 Flanges Standards | ASME 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 DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Alloy Steel F11 Flanges Standard ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Alloy Steel F11 Flanges Standard UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Alloy Steel F11 Flanges Standard JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Alloy Steel F11 Flanges Standard EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Alloy Steel F11 Pipe Flanges Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production technique |
|
| Connect Type/ Flange Face Type | Small 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 |
|
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS Alloy Steel F11 Flanges Threaded Flanges, Socketweld Flanges, Slip-On Flanges, Blind Flanges, Weld Neck Flanges |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Origin | Indian / West Europe / Japan / USA / Korean |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Specialized manufacturer of |
|
| 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,
|
| Key markets and industries for Alloy Steel F11 Flanges |
|
| Export to | Thailand, Peru, Iran, Korea, Singapore, Ireland, Oman, Dubai, Ukraine, Brazil, India, Canada, Egypt, Indonesia, USA, Spain, Saudi Arabia, etc |
| Alloy Steel F11 Flanges Application |
|
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
15mm (1/2") 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 |
Alloy Steel F11 Flanges |
|
Alloy Steel F11 Blind Flanges |
Alloy Steel F11 Reducing Flanges |
Alloy Steel F11 Lap Joint Flanges |
Alloy Steel F11 Plate Flanges |
Alloy Steel F11 Orifice Flanges |
Alloy Steel F11 Forged Flanges |
Alloy Steel F11 Slip-On Flanges |
Alloy Steel F11 Flanges |
Alloy Steel F11 Weld Neck Flanges |
Alloy Steel F11 Socket Weld Flanges |
Alloy Steel F11 Ring Type Joint Flanges |
|
F11 Alloy Steel SORF Flanges |
Alloy Steel A182 F11 BLRF Flanges |
Alloy Steel A182 F11 Puddle Flanges |
Alloy F11 Split Flanges Stockist |
F11 Alloy Steel SAE Flanges |
ASME SA182 F11 Reducing Flanges Wholesaler |
Alloy Steel F11 Flanges Manufacturer |
ASTM A182 Alloy Steel F11 Exhaust Flanges |
AS F11 Screwed Flanges Exporter |
ASME SA182 Alloy Steel F11 Tank Flanges |
A182 F11 Alloy Steel RTJ Flanges |
F11 Alloy Steel Flanges WNRF Flanges Supplier |
Alloy F11 Flanges |
F11 Alloy Steel Flanges EN 1092-1 Flanges |
Chrome Moly Alloy Steel F11 DIN Flanges |
ASTM A182 F11 Alloy Steel Nipoflange |
A182 Alloy Steel F11 Square Flanges |
ASME SA182M Alloy Steel F11 SWRF Flange |
Steel F11 Tongue & Groove Flanges |
Chrome Moly Alloy Steel F11 Male & Female Flanges |
Alloy Steel F11 Raised Face Flanges |
Alloy Steel F11 ASME B16.5 Flanges |
Alloy Steel F11 Forged Flanges |
Alloy Steel F11 EN 1092-1 Flanges |
Alloy Steel F11 BS 4504 Flanges |
Alloy Steel F11 Flanges |
Alloy Steel F11 Flat Flange |
Alloy Steel F11 Slip on Flanges |
Alloy Steel ASTM A182 F11 Reducing Flanges |
Alloy Steel F11 Long Weld Neck Flanges |
Alloy Steel A182 F11 Orifice Flange |
Alloy Steel 5Cr-1/2Mo Spectacle Blind Flanges |
ASME SA182 F11 Alloy Steel F11 BLRF Flange |
Alloy ASTM A182 F11 SORF Flanges |
Alloy Steel A182 F11 Flanges |
ANSI F11 Alloy Steel Blind Flange |
Alloy Steel F11 Weld Neck Flanges |
Alloy Steel F11 Socket weld Flanges |
Alloy Steel F11 Ring Type Joint Flanges |
Steel ASTM A182 F11 Threaded Flanges |
ANSI B16.5 Alloy Steel F11 RTJ Flanges |
Alloy Steel F11 Screwed Flanges |
ASTM A182 Alloy Steel F11 Lap Joint Flanges |
Chrome Moly Alloy Steel F11 WNRF Flange |
| AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) |
|
|---|


Alloy Steel F11 Flange Standards / Types and Pressure Class :
| ASME/ANSI B 16.36 | Welding Neck Flange, Slip on Flange, Threaded Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.5 | Welding Neck Flange, Slip on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Welding Neck Flange, Blind Flange [Series A & B] |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| BS 4504 SEC 3.1 | Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Welding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641, 2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637, 2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
| Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 205 | 415 | 20 % |
| Grade | C | Mn | Si | P | S | Cr | Mo |
| Alloy Steel F11 | 0.5-0.15 | 0.3-0.6 | 0.5-1.0 | 0.03 | 0.03 | 1.0-1.5 | 0.44-0.65 |
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 Flanges |
150 psi |
ASME B16.5 Class 150 |
1/2" |
Socket Weld |
Alloy Steel F11 Flanges |
275 psi |
ASME B16.5 Class 150 |
1/2" |
Welded |
Alloy Steel F11 Flanges |
150 psi |
ASME B16.5 Class 150 |
3/4" |
FNPT |
Alloy Steel F11 Flanges |
150 psi |
ASME B16.5 Class 150 |
3/4" |
Socket Weld |
Alloy Steel F11 Flanges |
275 psi |
ASME B16.5 Class 150 |
1-1/4" |
Socket Weld |
Alloy Steel F11 Flanges |
275 psi |
ASME B16.5 Class 150 |
1-1/2" |
Socket Weld |
Alloy Steel F11 Flanges |
275 psi |
ASME B16.5 Class 150 |
2" |
FNPT |
Alloy Steel F11 Flanges |
150 psi |
ASME B16.5 Class 150 |
2" |
Socket Weld |
Alloy Steel F11 Flanges |
275 psi |
ASME B16.5 Class 150 |
2-1/2" |
Socket Weld |
Alloy Steel F11 Flanges |
275 psi |
ASME B16.5 Class 150 |
3" |
Socket Weld |
Alloy Steel F11 Flanges |
275 psi |
ASME B16.5 Class 150 |
4" |
FNPT |
Alloy Steel F11 Flanges |
150 psi |
ASME B16.5 Class 150 |
4" |
Socket Weld |
Alloy Steel F11 Flanges |
275 psi |
ASME B16.5 Class 300 |
1/2" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
1/2" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
1" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
1" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
1-1/4" |
FNPT |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
1-1/4" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
1-1/2" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
1-1/2" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
2" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
2" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
2-1/2" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
2-1/2" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
3" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
3" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
4" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |
ASME B16.5 Class 300 |
4" |
Slip On |
Alloy Steel F11 Flanges |
720 psi |