Low alloy steels are alloy steel grades in which the proportion of metals like nickel, chromium, and molybdenum, along with other alloying elements, is less than 10.5% of the overall alloy percentage. In general, the majority of low alloy steel flanges
In comparison to many common, normal mild or carbon steels, low alloy steel pipe flanges frequently offer greater mechanical qualities. These alloys are frequently added to steel in amounts ranging from 1% to 5%, depending on their capacity to give a very specific attribute for the intended usage.
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For instance, the alloy steel plate flanges with molybdenum added have stronger materials. The alloy becomes tougher when nickel is added. Chromite is also added to chrome moly flanges to improve other mechanical qualities like temperature strength, hardness, and corrosion resistance. The alloy steel threaded flanges have strong deoxidizing qualities due to the addition of trace amounts of silicon and manganese, two more frequent alloying elements.
Low alloy steel flanges aren't always difficult to weld despite the addition of these components. Knowing exactly what kind of low-alloy steel you have is essential for a successful welding process. To achieve good weld integrity and the need for appropriate filler metal selection, it is necessary to determine if the alloy steel flange material. Chromium Molybdenum Steel is the common name for high heat resistance steel types.

Most of the time, a low alloy steel flanges series has 0.5% to 9% chromium. Additionally, the alloy steel flanges' Molybdenum concentration can range from 0.5% to 1%. The average amount of carbon in the alloy is less than 0.20%. Due to its alloy feature, alloy steel threaded flanges frequently offer good weldability as well as a higher hardening ability. We are one of India's top manufacturers of alloy steel flanges.
The alloy's anti-oxidation and anti-corrosion capabilities are enhanced by the presence of chromium. The alloy steel flanges manufacturers in India typically provide this steel in annealed or normalised and tempered form. The use of chromium-molybdenum alloy steel flanges diameters is widespread. They are used in industries including high temperature services, petrol chemical industry, and steam power equipment.
We are the authorised Maharashtra suppliers, dealers, and distributors of alloy steel flanges.
| Specifications | Alloy Steel Flanges - ASTM A182 / ASME SA182 |
|---|---|
| ASME B16.5 Alloy Steel Flanges size range | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Alloy Steel Flanges Standards | BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges. |
| Alloy Steel Flanges Standard ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Alloy Steel Flanges Standard DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Alloy Steel Flanges Standard JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Alloy Steel Flanges Standard UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Alloy Steel Flanges Standard EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Alloy Steel Pipe Flanges Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Most common types of Alloy Steel Flanges |
|
| Production technique |
|
| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, , Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS Alloy Steel 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 |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Origin | Indian / West Europe / Japan / USA / Korean |
| Specialized manufacturer of |
|
| Alloy Steel Flanges Standard | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
|
| Key markets and industries for Alloy Steel Flanges |
|
| Export to | Thailand, Singapore, Canada, Iran, Spain, USA, Ukraine, Oman, Indonesia, India, Korea, Brazil, Ireland, Dubai, Egypt, Peru, Saudi Arabia etc |
| Alloy Steel Flanges Application |
|
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Alloy Steel Blind Flange Price Per Piece in India |
Alloy Steel Blind Flange Price in INR |
Alloy Steel Blind Flange Price in USD |
Alloy Steel Blind Flange Price in UAE Dirham |
1-1/2″ Alloy Steel F5 blind flange Price in India |
4295.11 |
$61.92 |
UAE Dirham 227.43 |
1-1/2″ Alloy Steel F5 blind flange Price List |
13289.74 |
$191.59 |
UAE Dirham 703.72 |
1″ Alloy Steel F5 blind flange Price in India |
2357.73 |
$33.99 |
UAE Dirham 124.85 |
1″ Alloy Steel F5 blind flange Price in India |
4616.27 |
$66.55 |
UAE Dirham 244.44 |
3″ Alloy Steel F5 blind flange Price List |
10095.45 |
$145.54 |
UAE Dirham 534.57 |
Alloy Steel Threaded Flange Price Per Piece in India |
Alloy Steel Threaded Flange Price in INR |
Alloy Steel Threaded Flange Price in USD |
Alloy Steel Threaded Flange Price in UAE Dirham |
3-1/2″ Alloy Steel Threaded Flange Price List |
13361.88 |
$192.63 |
UAE Dirham 707.54 |
1-1/2″ Alloy Steel Threaded Flange Price in India |
6203.36 |
$89.43 |
UAE Dirham 328.48 |
2″ Alloy Steel Threaded Flange Price in India |
6262.32 |
$90.28 |
UAE Dirham 331.60 |
3″ Alloy Steel Slip-On Flange Price List |
17430.16 |
$251.28 |
UAE Dirham 922.96 |
2-1/2″ Alloy Steel Threaded Flange Price in India |
8096.34 |
$116.72 |
UAE Dirham 428.72 |
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
|---|---|---|---|---|---|---|---|
Alloy Steel F1 |
0.15 max |
0.3-0.6 |
0.5 |
0.03 |
0.03 |
4-6 |
0.44-0.65 |
Alloy Steel F5 |
0.15 max |
0.3-0.6 |
0.5-1.0 |
0.03 |
0.03 |
4-6 |
0.44-0.65 |
Alloy Steel F9 |
0.15 max |
0.3-0.6 |
0.5-1.0 |
0.03 |
0.03 |
8-10 |
0.9-1.1 |
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 |
Alloy Steel F12 |
0.15 max |
0.3-0.6 |
0.5 |
0.03 |
0.03 |
4-6 |
0.44-0.65 |
Alloy Steel F22 |
0.50.15 max |
0.3-0.6 |
0.5 |
0.03 |
0.03 |
4-6 |
0.44-0.65 |
Alloy Steel F91 |
0.15 max |
0.3-0.6 |
0.5-1.0 |
0.03 |
0.03 |
8-10 |
0.9-1.1 |
15mm (1/2") Alloy Steel Flanges Weight Chart
Standard |
Class |
Diameter |
Bolt Circle Diameter |
Number of Bolts |
Bolt Size |
Diameter of Bolt Hole |
|---|---|---|---|---|---|---|
AS4087 Flanges |
PN14 Flanges |
95 |
67 |
4 |
M12 |
14 |
AS 2129 Flange |
Table C Flanges |
95 |
67 |
4 |
13 |
14 |
Table D Flanges |
95 |
67 |
4 |
13 |
14 |
|
Table E Flanges |
95 |
67 |
4 |
13 |
14 |
|
Table F Flanges |
95 |
67 |
4 |
13 |
14 |
|
Table H Flanges |
114 |
83 |
4 |
16 |
17 |
|
Table J Flanges |
114 |
83 |
4 |
16 |
17 |
|
ANSI B16.5 Flanges |
ANSI 150 Flanges |
89 |
60 |
4 |
13 |
16 |
ANSI 300 Flanges |
95 |
67 |
4 |
13 |
16 |
|
ANSI 600 Flanges |
95 |
67 |
4 |
13 |
16 |
|
ANSI 900 Flanges |
121 |
83 |
4 |
19 |
22 |
|
ANSI 1500 Flanges |
121 |
83 |
4 |
19 |
22 |
|
ISO 7005 (DIN) Flange |
PN6 Flanges |
80 |
55 |
4 |
M10 |
11 |
PN10 Flanges |
95 |
65 |
4 |
M12 |
14 |
|
PN16 Flanges |
95 |
65 |
4 |
M12 |
14 |
|
PN20 Flanges |
90 |
60.5 |
4 |
M14 |
16 |
|
PN25 Flanges |
95 |
65 |
4 |
M12 |
14 |
|
PN40 Flanges |
95 |
65 |
4 |
M12 |
14 |
Alloy Steel Slip on Flange Price Per Piece in India |
Alloy Steel Slip on Flange Price in INR |
Alloy Steel Slip on Flange Price in USD |
Alloy Steel Slip on Flange Price in UAE Dirham |
2″ Alloy Steel Slip-On Flange Price List |
330.28 |
$89.92 |
UAE Dirham 6237.35 |
Forged Alloy Steel Slip-On Flange Price in India |
6387.87 |
$92.09 |
UAE Dirham 338.25 |
Forged Alloy Steel Slip-On Flange Price in India |
2621.32 |
$37.79 |
UAE Dirham 138.80 |
1/2″ Alloy Steel Slip-On Flange Price in India |
2621.32 |
$37.79 |
UAE Dirham 138.80 |
2-1/2″ Alloy Steel Slip-On Flange Price List |
9361.57 |
$134.96 |
UAE Dirham 495.71 |
Alloy Steel Weld Neck Flange Price Per Piece in India |
Alloy Steel Weld Neck Flange Price in INR |
Alloy Steel Weld Neck Flange Price in USD |
Alloy Steel Weld Neck Flange Price in UAE Dirham |
2″ Alloy Steel Weld Neck Flange Price in India |
6589.72 |
$95.00 |
UAE Dirham 348.94 |
4″ Alloy Steel Slip-On Flange Price List |
18465.79 |
$266.21 |
UAE Dirham 977.80 |
3″ Alloy Steel Weld Neck Flange Price List |
11160.22 |
$160.89 |
UAE Dirham 590.95 |
1/2″ Alloy Steel Weld Neck Flange Price in India |
3450.93 |
$49.75 |
UAE Dirham 182.73 |
1-1/2″ Alloy Steel Weld Neck Flange Price in India |
5433.40 |
$78.33 |
UAE Dirham 287.71 |
Alloy Steel Flanges Types |
Size |
|
Alloy Steel Slip-On Flanges |
Alloy Steel Threaded Flanges |
Sizes 1/8″ – 36″ Raised Face or Flat Face |
Alloy Steel Weld Neck Flanges |
Alloy Steel Lap Joint Flanges |
|
Alloy Steel Plate Flanges |
Alloy Steel Reducing Flanges |
|
Alloy Steel Socket Weld Flanges |
Alloy Steel Blind Flanges |
|
Alloy Steel Orifice Flanges |
Alloy Steel Ring Type Joint Flanges |
|
Alloy Steel Forged Flanges |
Alloy Steel Square Flanges |
|
| AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) |
|
|---|
Alloy Steel Flange Standards / Types And Pressure Class
| ASME/ANSI B 16.5 | Slip on Flange, Welding Neck Flange,Blind Flange, Threaded Flange, Socket Weld Flange,High Hub Blind Flange, Lap Joint 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 |
| ASME/ANSI B 16.36 | Slip on Flange, Welding Neck Flange, Threaded Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 | Plate Flange,Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Hubbed Slip-On Hubbed Threaded, Plate Flange, Welding Neck Flange, Loose Plate With Weld On Plate Collar, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Socket Welding Flange, Welding Neck Flange,Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Blind Flange, Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss 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 |
Alloy Flanges Manufacturer |
Alloy Steel Flanges EN 1092-1 Flanges |
Alloy F1 Puddle Flange |
ASME SA182 Alloy Steel Tank Flange |
A182 Alloy Steel RTJ Flanges |
Alloy Steel Flanges WNRF Flanges Supplier |
Alloy F5 SORF Flanges |
Alloy Steel A182 BLRF Flanges |
AS Screwed Flange Exporter |
Alloy Split Flange Stockist |
Alloy F11 SAE Flanges |
ASME SA182 F91 Wholesaler |
Alloy Steel A182 Puddle Flanges |
ASTM A182 F22 Exhaust Flange |
| ASTM A182 Alloy Steel Screwed Flanges | ASTM A182 Alloy Steel Clad Flanges |
| ASTM A182 Alloy Steel Socket Weld Flanges | ASTM A182 Alloy Steel WNRF Flanges |
| ASTM A182 Alloy Steel Sbc Header Flanges | Alloy Steel Raised Face Blind Flanges |
| ASTM A182 Alloy Steel Split Flanges | ASME SA182 Alloy Steel Blind Flanges |
| ASTM A182 Alloy Steel Slip-On Pipe Flanges | Alloy Steel Blind Flanges |
| ASTM A182 Alloy Steel Square Flanges | ASTM A182 Alloy Steel Ansi Flanges |
| Ansi 150 ASTM A182 Alloy Steel Flanges | ASTM A182 Alloy Steel BLRF Flanges |
| ASTM A182 Alloy Steel Blank Flanges | Alloy Steel Orifice Flanges |
| ASTM A182 Alloy Steel Bsp Flanges | ASME SA182 Alloy Steel Orifice Flanges |
| ASTM A182 Alloy Steel Companion Flanges | Alloy Steel Orifice Flanges |
| ASTM A182 Alloy Steel Class 150 Flanges | ASTM A182 Alloy Steel Duct Flanges |
| ASTM A182 Alloy Steel Cover Flanges | A182 Alloy Steel Orifice Flanges |
| Custom ASTM A182 Alloy Steel Flanges | Alloy Steel Socket weld Flanges |
| Class 600 ASTM A182 Alloy Steel Flanges | ASME SA182 Alloy Steel Socket weld Flanges |
| ASTM A182 Alloy Steel Din Flanges | Alloy Steel Socket weld Flanges |
| Large Diameter ASTM A182 Alloy Steel Flanges | ASTM A182 Alloy Steel SWRF Flanges |
| Table E ASTM A182 Alloy Steel Flanges | ASME B16.5 Alloy Steel Socket weld Flanges |
| ASTM A182 Alloy Steel Floor Flanges | Alloy Steel Threaded Flanges |
| ASTM A182 Alloy Steel Pipe Flanges | Alloy Steel Raised Face Slip On Flanges |
| ASTM A182 Alloy Steel Exhaust Flanges | ASME SA182 Alloy Steel Slip On Plate Flanges |
| ASTM A182 Alloy Steel Header Flanges | Alloy Steel Slip On Flanges |
| ASTM A182 Alloy Steel Plate Flanges | A182 Alloy Steel Pipe Flanges |
| ASTM A182 Alloy Steel Backing Flanges | Alloy Steel Exhaust Flanges |
| ASTM A182 Alloy Steel Tube Flanges | ASME SA182 Alloy Steel Header Flanges |
| ASTM A182 Alloy Steel Stub End Flanges | Alloy Steel Raised Face Weld Neck Flanges |
| ASTM A182 Alloy Steel Shower Rod Flanges | ASTM A182 Alloy Steel Sae Flanges |
| ASTM A182 Alloy Steel Slip On Flanges | Alloy Steel Weld Neck Flanges |
| ASTM A182 Alloy Steel Forged Flanges | ASME SA182 Alloy Steel Threaded Flanges |
| Gaskets For ASTM A182 Alloy Steel Flanges | Alloy Steel Threaded Flanges |
| ASTM A182 Alloy Steel Handrail Flanges | ASTM A182 Alloy Steel fastenersonline Flanges |
| High Pressure ASTM A182 Alloy Steel Flanges | ASTM A182 Alloy Steel Threaded Flanges |
| ASTM A182 Alloy Steel Lap Joint Flanges | ASTM A182 Alloy Steel Threaded Flanges |
| ASTM A182 Alloy Steel Long Weld Neck Flanges | Alloy Steel Long weld Neck Flanges |
| ASTM A182 Alloy Steel Metric Flanges | ASME SA182 Alloy Steel Long weld Neck Flanges |
| ASTM A182 Alloy Steel Muffler Flanges | Alloy Steel Long weld Neck Flanges |
| ASTM A182 Alloy Steel Pump Flanges | ASTM A182 Alloy Steel Orifice Flanges |
| ASTM A182 Alloy Steel Pressed Flanges | Alloy Steel Ring Type Joint Flanges |
| ASTM A182 Alloy Steel Puddle Flanges | ASME SA182 Alloy Steel Ring Type Joint Flanges |
| ASTM A182 Alloy Steel Pad Flanges | Alloy Steel RTJ Flanges |
| ASTM A182 Alloy Steel Turbo Flanges | ASTM A182 Alloy Steel Forged Flanges |
| ASTM A182 Alloy Steel Vacuum Flanges | ASTM A182 Alloy Steel Reducing Flanges |
| ASTM A182 Alloy Steel Reducing Flanges | Alloy Steel Forged Flanges |
| ASTM A182 Alloy Steel Reducing Flanges | Alloy Steel RTJ Flanges |
| ASTM A182 Alloy Steel Raised Face Flanges | ASTM A182 Alloy Steel RTJ Flanges |
| ASTM A182 Alloy Steel Ring Flanges | BS4504 Alloy Steel RTJ Flanges |
| ASTM A182 Alloy Steel Threaded Reducing Flanges | Alloy Steel Reducing Flanges |
| ASTM A182 Alloy Steel Wnrf Flanges | ASME SA182 Alloy Steel Reducing Flanges |
| ASTM A182 Alloy Steel Split Flanges | Alloy Steel Reducing Flanges |
Grade |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
|---|---|---|---|
Alloy Steel F1 |
275 |
485 |
20 % |
Alloy Steel F5 |
275 |
485 |
20 % |
Alloy Steel F9 |
380 |
585 |
20 % |
Alloy Steel F11 |
205 |
415 |
20 % |
Alloy Steel F12 |
275 |
485 |
20 % |
Alloy Steel F22 |
205 |
415 |
20 % |
Alloy Steel F91 |
380 |
585 |
20 % |
