Alloy Steel Flanges
ONGC Approved Alloy Steel Flanges Manufacturers in India. Also Check Low AS Forged Flange Best Price in India. View Sizes & Dimensions of ASME SA 182 AS Pipe Flange
Alloy Steel
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Alloy Steel Flanges Pressure And Temperature RatingsDimensions of Low AS Forged FlangeASME SA 182 AS Pipe Flange Weight ChartSize Range of ASTM A182 Low Alloy Steel flangesChemical Element of ANSI B16.5 Alloy Steel Slip On FlangeMechanical Properties of Alloy Steel Blind FlangesANSI B16.5 Alloy RTJ Flanges Equivalent Material
Gallery
Alloy Steel Flanges in Detail
Specification
Features & Applications
Advantages
- Superior Strength
- Resistance to Corrosion
- Durability
Characteristics
- High-Temperature Resistance
- Excellent Corrosion Resistance
- High-Pressure Resistance
Boiler Steel Forgings Flange Characteristics
- Strength and Stability
- Oxidation resistance
- Nitriding Resistance
- Nitriding Resistance
Chrome Alloy Steel Blind Flange Suitable for
- Sulfuric Acid
- Nitric Acid
- Organic Acid
- Seawater
Chromoly Threaded Flange Standards
- ASME B16.5
- ASME B16.48
- ASME B16.47
- MSS SP-44
- AWWA C207
Chromoly Steel Slip on Flange Test Certificates
- Raw Materials Certificate
- Third Party Inspection
- MTC EN 10204 3.1/3.2
- 100% Radiography Test Report
Chromium Alloy Steel Plate Flanges Manufacturing Technique
- Forged
- Drilling
- Turning
- CNC machining
- Rolled
- Milling
High Alloy Steel Blind Flanges Types
- Alloy Steel Threaded Blind Flange
- High Alloy Steel Raised Face Blind Flange
- Low Alloy Steel Forged Blind Flange
- Boiler Steel Ring Type Joint Blind Flange
- Chrome Alloy Steel Flat Face Blind Flange
Low Alloy Steel Slip on Flanges Types
- Chromoly Flat Face Slip on Flange
- ASME SA182 Alloy Steel Threaded Slip on Flange
- Chromoly Steel Ring Type Joint Slip on Flange
- ASTM A182 Alloy Steel Raised Face Slip on Flange
- ASTM A182 Forged Slip on Flange
Other Types of Alloy Flanges
- Alloy Steel Orifice Plate
- High Alloy Steel Swivel Flange
- Low Alloy Steel High Hub Blind Flange
- Boiler Steel Ring Spacer Flange
- Chrome Alloy Steel Spade Flange
- Chromoly Anchor Flange
- ASME SA182 Alloy Steel Expander Flange
- Chromoly Steel Reducing Flange
Alloy Steel Weld Neck Flange Finish
- Zinc Plated
- Concentric Serrated
- Serrated finish
- Spiral Serrated
- Mirror finish
- Smooth Finish
- Cold Water Finish
ASME SA 182 AS Pipe Flange Marking
- Manufacturers Name
- Material grade
- Face type
- Origin
- Sizes
- Standard
- Pressure class
Faces Types of ASTM A182 Low Alloy Steel Flanges
- Flat face
- Ring joint
- Raised face
- Lap joint
- Large and small tongue and groove
- Male and female
ANSI B16.5 Alloy Steel Weld Neck Flanges Types
- Chromoly Alloy Long Weld Neck Flange
- ASME SA182 Ring Type Joint Weld Neck Flange
- Chromoly Steel Alloy Flat Face Weld Neck Flange
- ASTM A182 AS Raised Face Weld Neck Flange
Alloy Steel Threaded Flanges DIN Standard
- DIN2573
- DIN2630
- DIN2577
- DIN2632
- DIN2634
- DIN2533
- ISO 7005
- EN1092
Available As
ASTM A182 Alloy Steel Reducing FlangeASTM A182 Lap Joint FlangesChromoly Alloy Blind FlangesASME SA182 Weld Neck FlangesChromoly Steel Alloy LWN FlangesASTM A182 AS Socket Weld FlangesChromium Alloy Steel Slip on FlangesASME SA182 AS Threaded FlangesChromoly Metal Backing Flange
Technical Data
Full Specifications
›Dimensions & Weight
ASME SA 182 AS Pipe Flange Weight Chart
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| CLASS | Nominal Pipe Size | Weld Neck | Threaded | Slip On | Lap Joint | Socket Weld | Blind |
|---|---|---|---|---|---|---|---|
| 1500 lb | ½ | 7 | 6 | 6 | 6 | 6 | 4 |
| 1500 lb | ¾ | 7 | 6 | 6 | 6 | 6 | 6 |
| 1500 lb | 1 | 9 | 8 | 8 | 8 | 8 | 9 |
| 1500 lb | 1¼ | 10 | 10 | 10 | 10 | 10 | 10 |
| 1500 lb | 1½ | 14 | 14 | 14 | 14 | 14 | 14 |
| 1500 lb | 2 | 25 | 25 | 25 | 25 | 25 | 25 |
| 1500 lb | 2½ | 36 | 36 | 36 | 35 | 36 | 35 |
| 1500 lb | 3 | 48 | 48 | 48 | 47 | 48 | 48 |
| 1500 lb | 4 | 73 | 73 | 73 | 75 | 73 | 73 |
| 1500 lb | 5 | 132 | 132 | 132 | 140 | 132 | 140 |
| 1500 lb | 6 | 165 | 165 | 165 | 170 | 165 | 160 |
| 1500 lb | 8 | 275 | 260 | 260 | 286 | 260 | 302 |
| 1500 lb | 10 | 455 | 436 | 436 | 485 | 436 | 510 |
| 1500 lb | 12 | 690 | 667 | 667 | 749 | 667 | 775 |
| 1500 lb | 14 | 940 | 940 | 940 | 890 | 940 | 975 |
| 1500 lb | 16 | 1250 | 1250 | 1250 | 1250 | 1250 | 1300 |
| 1500 lb | 18 | 1625 | 1625 | 1625 | 1475 | 1625 | 1750 |
| 1500 lb | 20 | 2050 | 2050 | 2050 | 1775 | 2050 | 2225 |
| 1500 lb | 24 | 3325 | 2825 | 2825 | 2825 | 2825 | 3625 |
Dimensions of Low AS Forged Flange
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| col_1 | col_2 | col_3 | col_4 | col_5 | col_6 | col_7 | col_8 | col_9 | col_10 | col_11 | col_12 | col_13 | col_14 | col_15 | col_16 | col_17 | col_18 | col_19 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | AS4087 | B16.5 | B16.5 | B16.5 | B16.5 | B16.5 | AS 2129 Flange | AS 2129 Flange | AS 2129 Flange | AS 2129 Flange | AS 2129 Flange | AS 2129 Flange | ISO 7005 (DIN) Flange | ISO 7005 (DIN) Flange | ISO 7005 (DIN) Flange | ISO 7005 (DIN) Flange | ISO 7005 (DIN) Flange | ISO 7005 (DIN) Flange |
| Class | PN14 | 150 | 300 | 600 | 900 | 1500 | Table C | Table D | Table E | Table F | Table H | Table J | PN6 | PN10 | PN16 | PN20 | PN25 | PN40 |
| Bolt Circle Diameter | 67 | 60 | 67 | 67 | 83 | 83 | 67 | 67 | 67 | 67 | 83 | 83 | 55 | 65 | 65 | 60.5 | 65 | 65 |
| Diameter | 95 | 89 | 95 | 95 | 121 | 121 | 95 | 95 | 95 | 95 | 114 | 114 | 80 | 95 | 90 | 95 | ||
| Number of Bolts | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Diameter of Bolt Hole | 14 | 16 | 16 | 16 | 22 | 22 | 14 | 14 | 14 | 14 | 17 | 17 | 11 | 14 | 14 | 16 | 14 | 14 |
| Bolt Size | M12 | 13 | 13 | 13 | 19 | 19 | 13 | 13 | 13 | 13 | 16 | 16 | M10 | M12 | M12 | M14 | M12 | M12 |
›Technical Data
Alloy Steel Flanges Pressure And Temperature Ratings
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| ANSI/ASME B16.34 | ANSI PRESSURE RATING | ANSI PRESSURE RATING_2 | ANSI PRESSURE RATING_3 | ANSI PRESSURE RATING_4 | ANSI PRESSURE RATING_5 | ANSI PRESSURE RATING_6 | ANSI PRESSURE RATING_7 |
|---|---|---|---|---|---|---|---|
| Temperature °F | 150# | 300# | 400# | 600# | 900# | 1500# | 2500# |
| -20 to 100 | 265 | 695 | 925 | 1390 | 2085 | 3470 | 5785 |
| 200 | 260 | 680 | 905 | 1360 | 2035 | 3395 | 5660 |
| 300 | 230 | 655 | 870 | 1305 | 1955 | 3260 | 5435 |
| 400 | 200 | 640 | 855 | 1280 | 1920 | 3200 | 5330 |
| 500 | 170 | 620 | 830 | 1245 | 1865 | 3105 | 5180 |
| 600 | 140 | 605 | 805 | 1210 | 1815 | 3025 | 5040 |
| 650 | 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 | 450 | 600 | 900 | 1350 | 2245 | 3745 |
| 950 | 35 | 280 | 375 | 560 | 845 | 1405 | 2345 |
| 1000 | 20 | 165 | 220 | 330 | 495 | 825 | 1370 |
Size Range of ASTM A182 Low Alloy Steel flanges
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| Nominal Pipe Size | Outside Diameter of Flange | Thickness of Flange | Diameter of Raised Face | Diameter of Hub at Base | Length Thru Hub | Length Thru Hub_2 | Length Thru Hub_3 | Diameter or Bore | Diameter or Bore_2 | Diameter of Hub at Bevel | Radius of Fillet | Depth of Socket |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Pipe Size | Outside Diameter of Flange | Thickness of Flange | Diameter of Raised Face | Diameter of Hub at Base | Welding Neck | Slip-On Threaded Socket | Lap Joint | Slip-on Socket | Lap Joint | Diameter of Hub at Bevel | Radius of Fillet | Depth of Socket |
| Nominal Pipe Size | 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 |
ANSI B16.5 Alloy RTJ Flanges Equivalent Material
| North America | Type | Forging Spec. | German | Casting Spec. Equivalent | W. No |
|---|---|---|---|---|---|
| K11572 | 1.1/4Cr-1/2Mo | A182-F11 cl2 | 13CRM044 | A217-WC6 | 1.7335 |
| K12822 | C-1/2Mo | A182-F1 cl2 | 15M03 | A217-WC1 | 1.5415 |
| K41545 | 5Cr-1/2Mo | A182-F5/F5a | 12CRMO195 | A217-C5 | 1.7362 |
| K21590 | 2.1/4Cr-1Mo | A182-F22 cl3 | 10CRM0910 | A217-WC9 | 1.7380 |
| K90941 | 9Cr-1Mo | A182-F9 | X 12 CrMo 9 1 | A217-C12 | 1.7386 |
| 9Cr-1Mo-V | A182-F91 | X 10 CrMoVNb 9 1 | A217-C12A | 1.4903 |
›Material Properties
Chemical Element of ANSI B16.5 Alloy Steel Slip On Flange
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| col_1 | col_2 | col_3 | col_4 | col_5 | col_6 | col_7 | col_8 |
|---|---|---|---|---|---|---|---|
| Grade | F5 | F1 | F11 | F9 | F91 | F12 | F22 |
| C | 0.15 max | 0.15 max | 0.5-0.15 | 0.15 max | 0.15 max | 0.15 max | 0.50.15 max |
| Mn | 0.3-0.6 | 0.3-0.6 | 0.3-0.6 | 0.3-0.6 | 0.3-0.6 | 0.3-0.6 | 0.3-0.6 |
| Si | 0.5-1.0 | 0.5 | 0.5-1.0 | 0.5-1.0 | 0.5-1.0 | 0.5 | 0.5 |
| P | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
| S | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
| Cr | 4-6 | 4-6 | 1.0-1.5 | 8-10 | 8-10 | 4-6 | 4-6 |
| Mo | 0.44-0.65 | 0.44-0.65 | 0.44-0.65 | 0.9-1.1 | 0.9-1.1 | 0.44-0.65 | 0.44-0.65 |
Mechanical Properties of Alloy Steel Blind Flanges
| Grade | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
|---|---|---|---|
| F12 | 485 | 275 | 20 % |
| F1 | 485 | 275 | 20 % |
| F9 | 585 | 380 | 20 % |
| F5 | 485 | 275 | 20 % |
| F91 | 585 | 380 | 20 % |
| F11 | 415 | 205 | 20 % |
| F22 | 415 | 205 | 20 % |
Alloy Steel Flanges
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