Alloy Steel Flanges


Alloy Steel Blind Flange

Chrome Moly Slip On Flange

Low Alloy Steel Weld Neck Flange
Table of Content
- Alloy Steel Flange Specification
- Grade Of Alloy Steel Forged Flange
- Alloy Steel Blind Flange Price List
- Alloy Steel Flange Rating
- Connection Types Of Alloy Steel Forged Flanges
- Size Range Of Alloy Steel Pipe Flange
- Alloy Steel Slip On Flange Manufacturing Processes
- Finish Types Of Alloy Steel Weld Neck Flange
- Technology Of Alloy Steel Forging
- Tensile Requirements Of High Alloy Steel Flanges
- Alloying Elements Of Chrome Moly Flanges
- Low Alloy Steel Flanges Heat Treatment
- Hardness For AS Flange
- Density For Chromemoly Flange
- UNS For Alloy Steel Pipe Flanges
- ASTM A182 Alloy Steel Flange Temperature Range
- Types Of Alloy Steel Flange
Chrome Moly Flanges Manufacturer in India with Temperature Class 150 To 2500
Ramesh Group is a prominent alloy steel flanges manufacturer. Produce best quality of alloy steel slip on flange using best quality of raw materials sourced from Germany, Korean, American and European.
Alloy Steel Flange Specification
Grade Of Alloy Steel Forged Flange
Supplier of AS Slip On Flange in FF/ RF /RTJ Face, Buy Chromoly Blind Flanges At Factory Price In Mumbai As Per ASME B16.5
An IBR Certified alloy steel flanges manufacturer, We offer a range of chrome moly flanges for high temperature and pressure applications
Alloy Steel Blind Flange Price List
| Size, Class, and Schedule | Price In US (Dollar) Per Unit |
|---|---|
| 1” x CL. 150 x RF, B16.5 | US $13.25 |
| 1.1/4” x RF, B16.5 x CL. 150 x Sch. 40S | US $16.28 |
| 1.1/2” x CL. 150 x Sch. 40S, RF, B16.5 | US $22.79 |
| 2” x RF, B16.5, CL. 150 x Sch. 40S | US $30.66 |
| 3” x CL. 150 x Sch. 40S, RF, B16.5 | US $54.13 |
| 3.1/2” x RF, B16.5 CL. 150 x Sch. 40S | US $69.82 |
| 4” x RF, B16.5, CL. 150 x Sch. 40S | US $104.91 |
| 5” x CL. 150 x Sch. 40S, RF, B16.5 | US $115.36 |
| 6” x RF, B16.5, CL. 150 x Sch. 40S | US $137.78 |
| 8” x RF, B16.5, CL. 150 x Sch. 40S | US $193.92 |
| 10” x CL. 150 x Sch. 40S, RF, B16.5 | US $265.77 |
| 12” x CL. 150 x RF, B16.5, Sch. 40S | US $359.02 |
| Temperature °F | 150# |
|---|---|
| -20 to 100°F | 265 |
| 200°F | 260 |
| 300°F | 230 |
| 400°F | 200 |
| 500°F | 170 |
| 600°F | 140 |
| 700°F | 110 |
| 800°F | 80 |
| 900°F | 50 |
| 1000°F | 20 |
| Temperature °F | 300# |
|---|---|
| -20 to 100°F | 695 |
| 200°F | 680 |
| 300°F | 655 |
| 400°F | 640 |
| 500°F | 620 |
| 600°F | 605 |
| 700°F | 570 |
| 800°F | 510 |
| 900°F | 450 |
| 1000°F | 165 |
| Temperature °F | 600# |
|---|---|
| -20 to 100°F | 1390 |
| 200°F | 1360 |
| 300°F | 1305 |
| 400°F | 1280 |
| 500°F | 1245 |
| 600°F | 1210 |
| 700°F | 1135 |
| 800°F | 1015 |
| 900°F | 900 |
| 1000°F | 330 |
| Temperature °F | 900# |
|---|---|
| -20 to 100°F | 2085 |
| 200°F | 2035 |
| 300°F | 1955 |
| 400°F | 1920 |
| 500°F | 1865 |
| 600°F | 1815 |
| 700°F | 1705 |
| 800°F | 1525 |
| 900°F | 1350 |
| 1000°F | 495 |
| Temperature °F | 1500# |
|---|---|
| -20 to 100°F | 3470 |
| 200°F | 3395 |
| 300°F | 3260 |
| 400°F | 3200 |
| 500°F | 3105 |
| 600°F | 3025 |
| 700°F | 2840 |
| 800°F | 2540 |
| 900°F | 2245 |
| 1000°F | 825 |
| Temperature °F | 2500# |
|---|---|
| -20 to 100°F | 5785 |
| 200°F | 5660 |
| 300°F | 5435 |
| 400°F | 5330 |
| 500°F | 5180 |
| 600°F | 5040 |
| 700°F | 4730 |
| 800°F | 4230 |
| 900°F | 3745 |
| 1000°F | 1370 |
Stockist of Alloy Steel Threaded and Socket Weld Flange in Mirror, Stock, Cold Water Finish, Check Connection Types & Manufacturing Processes
Established in 2014 and have 21 years of experience in alloy steel flanges manufacturer in India, We use the RTJ and RF face for Alloy Steel threaded flange, ensuring they are good durable and long service life.
Connection Types Of Alloy Steel Forged Flanges

Size Range Of Alloy Steel Pipe Flange
| Size | Standard | Class |
|---|---|---|
| 1/4″ to 24″ | ASME B16.5 | 150 lb to 2500 lb |
| 1/4″ to 24″ | ASME B16.36 | 300 lb to 2500 lb |
| 26″ to 60″ | ASME B16.47 | 150 lb to 900 lb |
| 1/4″ to 24″ | ASME B16.48 | 150 lb to 2500 lb |
| 3/8″ to 80″ | EN 1092-1/2 | PN 2.5 to PN 400 |
| 26″ To 48″ | BS 3293 | 150 lb to 600 lb |
| 22″ To 48″ | MSS SP 44 | 150 lb to 900 lb |
| 4″ To 144″ | Awwa C207 | Class B/D/E/F |
| 3/8 to 60″ | Japanese standard flange | 150 lb to 2500 lb |
| 1/2″ To 48″ | DIN flange | PN6 To PN40 |
Alloy Steel Slip On Flange Manufacturing Processes
- Selecting high-quality billet blanking
- Heating
- Forming
- Forging
- Cooling
Finish Types Of Alloy Steel Weld Neck Flange
| Diagram | Types Of Finish | Finish Value |
|---|---|---|
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Stock Finish | 125- to 250-μin |
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Serrated Finish | Required 30 to 55 grooves per inches |
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Spiral Serrated | Generated using a 90-deg tool |
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Concentric Serrated | 125 and 500 micro inches |
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Smooth Finish | 63-125 AA |
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Mirror Finish | – |
Technology Of Alloy Steel Forging
- Free Forging
- Die Forging
Offer Alloy Steel Plate and Lap Joint Flange in Different Forging Method, Check Tensile Requirements & Alloying Elements
Tensile Requirements Of High Alloy Steel Flanges
| Grade | Tensile Strength (Mpa) |
|---|---|
| ASTM A182 F5 | 275 |
| ASTM A182 F9 | 380 |
| ASTM A182 F11 | 205 |
| ASTM A182 F22 | 205 |
| ASTM A182 F91 | 415 |
Alloying Elements Of Chrome Moly Flanges
| Elements | Effects |
|---|---|
| Chromium | wear resistance |
| Cobalt | improved Hot Hardness |
| Manganese | Increases surface hardness |
| Molybdenum | Improves resistance |
| Nickel | Improves corrosion resistance |
| Tungsten | Improves grain structure |
| Vanadium | Increases strength |
| Chromium-Vanadium | Easy to bend and cut |
View Alloy Steel Forgings Heat Treatment, Hardness, and Density For Chrome Moly Pipe Flanges
Low Alloy Steel Flanges Heat Treatment
- 10–20°C (20–35°F)
- Rockwell C = 32 (minimum)
- 7.8 – 7.9 g/cc
- 7.75 and 8.05 g/cm3
UNS For Alloy Steel Pipe Flanges
| Grade | UNS |
|---|---|
| ASTM A182 F5 | UNS K41545 |
| ASTM A182 F9 | UNS K90941 |
| ASTM A182 F11 | UNS K11572 |
| ASTM A182 F22 | UNS K21590 |
| ASTM A182 F91 | UNS K90901 |
ASTM A182 Alloy Steel Flange Temperature Range
| Excellent Strength | Excellent Oxidation Resistance |
|---|---|
| -423 degrees F to 1300 degrees F | up to 1800 degrees F |
| -253℃ to 705℃ | 980℃ |

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Top 8 Reasons to Choose Ramesh Group for High Pressure Applications

- ADNOC approved manufacturer and supplier of seamless fittings and forged steel flanges
- Supply industrial steel piping products in Europe as per CBAM requirements
- Exporter of high performance weld fittings suitable for corrosion resistant environment
- Distributor of butt welding fittings for Marine application as per MTC EN 10204 3.1/ 3.2
- All pipe flange comes with NACE MR0175 and pressure class 150 to 2500 as per ASME B16.5.
- Over 250 Fabricators and traders in Middle East and European countries import prime quality BLRF, SORF and WNRF flanges because our material is accepted in Abu Dhabi National Oil Company
- Supplying SMLS elbow, tee, reducer and end cap to Stockist and wholesaler of piping materials in Saudi Arabia at Resale price as per ASME B16.9.
- Keep custom sizes Ex stock of standard sizes with stockholders in USA and Mexico for urgent requirements in replacement situations




































