Carbon Steel SA 105N Blind and Slip On Flange manufacturer in India
In piping systems, the role of flanges is undeniable. From changing the rate of flow to deciding the direction of media flow, the ASTM A105N Flange is indispensable across several industries. In addition to forging connections in piping systems, they provide easy access to the worker undertaking an assortment of tasks. Pipes in a system, more often than not require maintenance. Hence, the worker’s job is made easier by the use of a Carbon Steel SA105N Flange, especially if he has to modify, or clean or even conduct a routine inspection in a system. Carbon steels are not only cheap, but they are hard and they are not easily deformed. In elevated temperature settings, flanges may undergo a high level of stress, which can lead to deformations or damage in highly ductile materials, unlike ASTM A105N Material. These properties are achieved when the material has been furnished via different heat treatment processes. The most common heat treatments performed on the ASTM A105n Blind Flange includes annealing, normalizing in addition to tempering, or quenching. These treatments act as a stress reliever and eliminate residual stresses in the components. Residual stress is also referred to as locked-in stress, either tensile or compressive within a metal object. If left untreated, the CS Orifice Flange A105N may result in failure and cracking. Therefore, the use of heat treatments keeps residual stress to a minimum, especially if the A105N Normalized Flanges is to be used at elevated temperatures.
ASTM A105N Flange Manufacturers
Carbon Steel A105N Blind Flange
ASME B16.5 CS Orifice Flange A105N
CS SA105N Reducing Flange
ASTM A105Nn Weld Neck Flanges
Carbon Steel A105N Pipe Flange

ASTM A105N Flange
Spec Chart Of Carbon Steel A105N Blind Flange
| Specification | Black Steel ASTM A105N Flanges |
| Material | ASTM A240, ASME SA240, ASTM A182, ASME SA182 |
| Production Technique | Machined, Forged, Heat Treated |
| ANSI | ANSI B16.47 Flanges, MSS SP44 flanges, ANSI B16.48 Flanges, ANSI B16.36 Flanges, ANSI B16.5 Flanges |
| BS | BS4504 , BS4504, BS1560, BS10 |
| JIS | 16K 40K, 5K, 20K, 30K, 10K, 63K |
| DIN | DIN2637, DIN2638, DIN2641, DIN2642, DIN2655, DIN2527, DIN2573, DIN2576, DIN2633, DIN2634, DIN2635, DIN2627, DIN2628, DIN2636, DIN2566, DIN2656, DIN2629, DIN 2631, DIN2632, DIN2673 |
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Test | X-ray detector, Direct-reading Spectrograph, UI trasonic flaw detector, Magnetic particle detector, Hydrostatic testing machine, |
| Origin | West Europe / Japan / Indian / USA / Korean |
| Equipments | Sand-Blasting Machine, Press Machine, Electric Bevelling Machine, Bending Machine, Pushing Machine, etc. |
| Size | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Pressure Rate | 300 LBS, 150 LBS, 1500 LBS, 2500 LBS, 600 LBS, 900 LBS |
| Facing Types | Ring Type Joint (RTJ) Flanges, Raised Face (RF) Flanges, Flat Face (FF) Flanges, Large Tongue & Groove Flanges, Small Tongue Flanges, Lap-Joint Face (LJF) Flanges, Large Male-Female (LMF) Flanges, Small Male-Female (SMF) Flanges, Groove Flanges |
| Value Added Services | Zinc Blindd, Antirust Paint, Oil Black Paint, Yellow Transparent, Cold and Hot Dip Galvanized |
ASME B16.5 CS Orifice Flange A105n Temperature Ratings, Carbon Steel SA105N Reducing Flange Dimensions Chart According to ASME B16.5, Suppliers of A105Nn Weld Neck Flanges In Mumbai, India.
CS Orifice Flange A105n Temperature Chart
| ( Carbon Steel ASTM A105N Flanges) | |||||||
|---|---|---|---|---|---|---|---|
| Temperature (F°) | 150 Class | 300 Class | 400 Class | 600 Class | 900 Class | 1500 Class | 2500 Class |
| -20 to 100 | 285 | 740 | 985 | 1480 | 2220 | 3705 | 6170 |
| 200 | 260 | 680 | 905 | 1360 | 2035 | 3395 | 5655 |
| 300 | 230 | 655 | 870 | 1310 | 1965 | 3270 | 5450 |
| 400 | 200 | 635 | 845 | 1265 | 1900 | 3170 | 5280 |
| 500 | 170 | 605 | 805 | 1205 | 1810 | 3015 | 5025 |
| 600 | 140 | 570 | 755 | 1135 | 1705 | 2840 | 4730 |
| 650 | 125 | 550 | 730 | 1100 | 1650 | 2745 | 4575 |
| 700 | 110 | 530 | 710 | 1060 | 1590 | 2655 | 4425 |
| 750 | 95 | 505 | 675 | 1015 | 1520 | 2535 | 4230 |
| 800 | 80 | 410 | 550 | 825 | 1235 | 2055 | 3430 |
| 850 | 65 | 320 | 425 | 640 | 955 | 1595 | 2655 |
| 900 | 50 | 230 | 305 | 460 | 690 | 1150 | 1915 |
| 950 | 35 | 135 | 185 | 275 | 410 | 685 | 1145 |
| 1000 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
Different Types Of CS A105N Pipe Flange
40 Inch, Class 150, Raised Face, BS 3293, ASTM A105N Slip On Flanges
36 Inch, 150#, BS 3293, Raised Face, ASTM A105N SORF Flanges
3 Inch, 300#, RF, ASTM A105N CS Slip On Flanges
12 Inch, 150 LB, ASTM A105N RF Slip On Flanges
6 Inch, 150 LB, ASME B16.5 A105N Hot Dip Galvanized Flanges
8 Inch, SCH 80, ASTM A105N Carbon Steel Anchor Flanges
EN1092-1, PN16, DN200, ASTM A105N Flat Plate Flanges
6 Inch, Class 120, EN1092-1 Type 01, ASTM A105N Plate Flanges
28 Inch, Class 150, RF, ASME B16.47 A, ASTM A105N Weld Neck Flanges
10 Inch, Class 300, SCH STD, ANSI B16.5 A105N WN Flanges
12 Inch, Black Coating, 300LB, CS ASTM A105N Weld Neck Flanges
2 Inch, 150LB, SCH 80, RF, ASTM A105N Long WN Flanges
2 Inch, SCH 40, Class 150, RF, ASTM A105N SW Flanges
1 Inch, SCH 40, Class 300, RF Ends, ASTM A105N Carbon Steel SW Flanges
2 1/2 Inch, 150#, FF, A105N Socket Weld Flanges
16 Inch, Class 900, CS A105N Socket Welding Flanges
8 Inch, 600# RF, ASME B16.5, ASTM A105N Blind flanges
4 Inch, 150 LB, Raised Face End, ASTM A105N CS Blind Flanges
12 Inch, Class 300, ASTM A105N Forged Steel Blind Flanges
10 Inch, Class 600, ANSI B16.5, RF, Carbon Stel ASTM A105N Blind Flange
ASME B16.5 Black Steel SA105N Reducing Flange Dimensions with Tolerances

Check Chemical Equation Of A105N Carbon Steel Flanges, Mechanical Properties Data Sheet Of Flanges A105N Material, Galvanised A105N Pipe Flange Physical Properties.
SA105Nn WN Flanges Chemical Composition
| Elements | Composition, % |
| Carbon [C] | ≤0.35 |
| Manganese [Mn] | 0.60-1.05 |
| Phosphorus [P] | ≤0.35 |
| Sulfur [S] | ≤0.40 |
| Silicon [Si] | 0.10-0.35 |
| Copper [Cu] | ≤0.40 |
| Nickel [Ni] | ≤0.40 |
| Chromium [Cr] | ≤0.30 |
| Molybdenum [Mo] | ≤0.12 |
| Vanadium [V] | ≤0.08 |
A105N Carbon Steel Flanges Mechanical Chart
| Tensile Strength mini. | Yield Strength mini. | Elongation mini. | Reduction of Area,mini. | Hardness | ||
|---|---|---|---|---|---|---|
| MPa | ksi | MPa | ksi | % | % | HBW |
| 485 | 70 | 250 | 36 | 22 | 30 | 137-187 |
A105N Pipe Flange Physical Properties
| Density (lb / cu. in.) | 0.284 |
| Specific Gravity | 7.9 |
| Mean Coeff Thermal Expansion | 6.7 |
| Modulus of Elasticity Tension | 30 |
| Modulus of Elasticity Torsion | 11 |
| Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) | 0.107 |
| Melting Point (Deg F) | 2740 |
| Thermal Conductivity | 360 |
Check Flanges A105N Material Minimum Weight
| Size in Inch | Size in millimeter | O.D. | Thick. Of Flange | RF Dia. | RF Height | PCD | No of Bolts | Bolt Size UNC | Machine Bolt Length | RF Stud Length | Hole Size | ISO Stud Size | Weight in kilogram |
| A | B | C | D | E | |||||||||
| 1/2 | 15 | 90 | 9.6 | 34.9 | 2 | 60.3 | 4 | 1/2 | 50 | 55 | 5/8 | M14 | 0.9 |
| 3/4 | 20 | 100 | 11.2 | 42.9 | 2 | 69.9 | 4 | 1/2 | 50 | 65 | 5/8 | M14 | 0.9 |
| 1 | 25 | 110 | 12.7 | 50.8 | 2 | 79.4 | 4 | 1/2 | 55 | 65 | 5/8 | M14 | 0.9 |
| 1 1/4 | 32 | 115 | 14.3 | 63.5 | 2 | 88.9 | 4 | 1/2 | 55 | 70 | 5/8 | M14 | 1.4 |
| 1 1/2 | 40 | 125 | 15.9 | 73 | 2 | 98.4 | 4 | 1/2 | 65 | 70 | 5/8 | M14 | 1.8 |
| 2 | 50 | 150 | 17.5 | 92.1 | 2 | 120.7 | 4 | 5/8 | 70 | 85 | 3/4 | M16 | 2.3 |
| 2 1/2 | 65 | 180 | 20.7 | 104.8 | 2 | 139.7 | 4 | 5/8 | 75 | 90 | 3/4 | M16 | 3.2 |
| 3 | 80 | 190 | 22.3 | 127 | 2 | 152.4 | 4 | 5/8 | 75 | 90 | 3/4 | M16 | 4.1 |
| 3 1/2 | 90 | 215 | 22.3 | 139.7 | 2 | 177.8 | 8 | 5/8 | 75 | 90 | 3/4 | M16 | 5.9 |
| 4 | 100 | 230 | 22.3 | 157.2 | 2 | 190.5 | 8 | 5/8 | 75 | 90 | 3/4 | M16 | 7.7 |
| 5 | 125 | 255 | 22.3 | 185.7 | 2 | 215.9 | 8 | 3/4 | 85 | 95 | 7/8 | M20 | 9.1 |
| 6 | 150 | 280 | 23.9 | 215.9 | 2 | 241.3 | 8 | 3/4 | 85 | 100 | 7/8 | M20 | 11.8 |
| 8 | 200 | 345 | 27 | 269.9 | 2 | 298.5 | 8 | 3/4 | 90 | 110 | 7/8 | M20 | 20.5 |
| 10 | 250 | 405 | 28.6 | 323.8 | 2 | 362 | 12 | 7/8 | 100 | 115 | 1 | M24 | 32 |
| 12 | 300 | 485 | 30.2 | 381 | 2 | 431.8 | 12 | 7/8 | 100 | 120 | 1 | M24 | 50 |
| 14 | 350 | 535 | 33.4 | 412.8 | 2 | 476.3 | 12 | 1 | 115 | 135 | 1 1/8 | M27 | 64 |
| 16 | 400 | 595 | 35 | 469.9 | 2 | 539.8 | 16 | 1 | 115 | 135 | 1 1/8 | M27 | 82 |
| 18 | 450 | 635 | 38.1 | 533.4 | 2 | 577.9 | 16 | 1 1/8 | 125 | 145 | 1 1/4 | M30 | 100 |
| 20 | 500 | 700 | 41.3 | 584.2 | 2 | 635 | 20 | 1 1/8 | 140 | 160 | 1 1/4 | M30 | 130 |
| 24 | 600 | 815 | 46.1 | 692.2 | 2 | 749.3 | 20 | 1 1/4 | 150 | 170 | 1 3/8 | M33 | 196 |
A105N Normalized Flanges Size Chart
| Nominal Size Of Pipe Normal Size Of Pipe (inch) | |||||
|---|---|---|---|---|---|
| Dia. of Flange (inch) | No. of Bolts | Dia. of Bolts (inch) | Dia. of Bolt Holes (inch) | Bolt Circle (inch) | |
| 1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
| 1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
| 3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
| 1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
| 1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
| 1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
| 2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
| 2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
| 3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
| 3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
| 4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
| 5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
| 6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
| 8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
| 10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
| 12 | 19 | 12 | 7/8 | 1 | 17 |
| 14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
| 16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
| 18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
| 20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
| 24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
A105N WNRF Flanges Material Table
| Material | Fttg | Flanges | |||
| Carbon Steel | A234 Gr WPA | A105 | |||
| A234 Gr WPB | A105 | ||||
| Carbon Steel Alloy High-Temp |
A234 Gr WP1 | A182 Gr F1 | |||
| A234 Gr WP11 | |||||
| A234 Gr WP12 | |||||
| A234 Gr WP22 | |||||
| A234 Gr WP5 | |||||
| A234 Gr WP9 | A182 Gr F9 | ||||
| Carbon Steel Alloy Low-Temp |
A420 Gr WPL6 | A350 Gr LF2 | |||
| A420 Gr WPL3 | |||||
We Supplying A105N Wnrf Flanges to Overseas Customers In India, We provide Sa105n Flange with good quality, ASTM A105n Socket Weld Flange At low price if buying.
A105n SORF Flanges Pressure Rating Class
| ASTM A105N Flanges Pressure Class | ||||||||||||||||||
| Size Of Pipe | 150# | 300# | 600# | 900# | 1500# | 2500# | ||||||||||||
| Weld Neck | SORF | BLRF | Weld Neck | SORF | BLRF | Weld Neck | SORF | BLRF | Weld Neck | SORF | BLRF | Weld Neck | SORF | BLRF | Weld Neck | SORF | BLRF | |
| 1/2" | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 2 | 1500# Schedule | 5 | 4 | 4 | 7 | 7 | 7 | ||
| 3/4" | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 3 | 3 | 1500# Schedule | 6 | 5 | 6 | 8 | 8 | 8 | ||
| 1" | 3 | 2 | 2 | 4 | 3 | 3 | 4 | 4 | 4 | 1500# Schedule | 9 | 8 | 8 | 12 | 11 | 11 | ||
| 1 1/2" | 4 | 3 | 3 | 7 | 6 | 6 | 8 | 7 | 8 | 1500# Schedule | 13 | 12 | 13 | 25 | 22 | 23 | ||
| 2" | 6 | 5 | 5 | 9 | 7 | 8 | 12 | 9 | 10 | 1500# Schedule | 25 | 25 | 25 | 42 | 37 | 39 | ||
| 2 1/2" | 8 | 7 | 7 | 12 | 10 | 12 | 18 | 13 | 15 | 1500# Schedule | 36 | 36 | 35 | 52 | 55 | 56 | ||
| 3" | 10 | 8 | 9 | 15 | 13 | 16 | 23 | 16 | 20 | 31 | 26 | 29 | 48 | 48 | 48 | 94 | 83 | 86 |
| 4" | 15 | 13 | 17 | 25 | 22 | 27 | 42 | 37 | 41 | 53 | 53 | 54 | 73 | 73 | 73 | 145 | 125 | 130 |
| 5" | 19 | 15 | 20 | 32 | 28 | 35 | 68 | 63 | 68 | 86 | 83 | 87 | 130 | 130 | 140 | 245 | 210 | 225 |
| 6" | 24 | 19 | 26 | 42 | 39 | 50 | 81 | 80 | 86 | 110 | 110 | 115 | 165 | 165 | 160 | 380 | 325 | 345 |
| 8" | 39 | 30 | 45 | 67 | 58 | 81 | 120 | 115 | 140 | 175 | 170 | 200 | 275 | 260 | 300 | 580 | 485 | 530 |
| 10" | 52 | 43 | 70 | 91 | 81 | 124 | 190 | 170 | 230 | 260 | 245 | 290 | 455 | 435 | 510 | 1075 | 930 | 1025 |
| 12" | 80 | 64 | 110 | 140 | 115 | 185 | 225 | 200 | 295 | 325 | 325 | 415 | 690 | 580 | 690 | 1525 | 1100 | 1300 |
| 14" | 110 | 90 | 140 | 180 | 165 | 250 | 280 | 230 | 355 | 400 | 400 | 520 | 940 | NA | 975 | NA | NA | NA |
| 16" | 140 | 98 | 180 | 250 | 190 | 295 | 390 | 330 | 495 | 495 | 425 | 600 | 1250 | NA | 1300 | NA | NA | NA |
| 18" | 150 | 130 | 220 | 320 | 250 | 395 | 475 | 400 | 630 | 680 | 600 | 850 | 1625 | NA | 1750 | NA | NA | NA |
| 20" | 180 | 165 | 285 | 400 | 315 | 505 | 590 | 510 | 810 | 830 | 730 | 1075 | 2050 | NA | 2225 | NA | NA | NA |
| 22" | 225 | 185 | 355 | 465 | 370 | 640 | 720 | 590 | 1000 | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 24" | 260 | 220 | 430 | 580 | 475 | 790 | 830 | 730 | 1250 | 1500 | 1400 | 2025 | 3325 | NA | 3625 | NA | NA | NA |
Weight Formula Of A105N Normalized Flanges, One Stop Shop For All ASTM A105N Flange, Check Availability of Carbon Steel A105n Slip On Flanges.
Sa105n Flange Thickness
| Normal Size Of Pipe | OD | Sch 10 | Sch 20 | Sch 30 | STD Wall | Sch 40 | Sch 60 | EXT Hvy | Sch 80 | Sch 100 | Sch 120 | Sch 140 | Sch 160 | XX Hvy |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ½ | 0.84 | 0.083 | 0.109 | 0.109 | 0.147 | 0.147 | 0.188 | 0.294 | ||||||
| ¾ | 1.05 | 0.083 | 0.113 | 0.113 | 0.154 | 0.154 | 0.219 | 0.308 | ||||||
| 1 | 1.315 | 0.109 | 0.133 | 0.133 | 0.179 | 0.179 | 0.25 | 0.358 | ||||||
| 1 ¼ | 1.66 | 0.109 | 0.14 | 0.14 | 0.191 | 0.191 | 0.25 | 0.382 | ||||||
| 1 ½ | 1.9 | 0.109 | 0.145 | 0.145 | 0.2 | 0.2 | 0.281 | 0.4 | ||||||
| 2 | 2.375 | 0.109 | 0.154 | 0.154 | 0.218 | 0.218 | 0.344 | 0.436 | ||||||
| 2 ½ | 2.875 | 0.12 | 0.203 | 0.203 | 0.276 | 0.276 | 0.375 | 0.552 | ||||||
| 3 | 3.5 | 0.12 | 0.216 | 0.216 | 0.3 | 0.3 | 0.438 | 0.6 | ||||||
| 3 ½ | 4 | 0.12 | 0.226 | 0.226 | 0.318 | 0.318 | 0.636 | |||||||
| 4 | 4.5 | 0.12 | 0.237 | 0.237 | 0.337 | 0.337 | 0.438 | 0.531 | 0.674 | |||||
| 5 | 5.563 | 0.134 | 0.258 | 0.258 | 0.375 | 0.375 | 0.5 | 0.625 | 0.75 | |||||
| 6 | 6.625 | 0.134 | 0.28 | 0.28 | 0.432 | 0.432 | 0.562 | 0.719 | 0.864 | |||||
| 8 | 8.625 | 0.148 | 0.25 | 0.277 | 0.322 | 0.322 | 0.406 | 0.5 | 0.5 | 0.594 | 0.719 | 0.812 | 0.906 | 0.875 |
| 10 | 10.75 | 0.165 | 0.25 | 0.307 | 0.365 | 0.365 | 0.5 | 0.5 | 0.594 | 0.719 | 0.844 | 1 | 1.125 | 1 |
| 12 | 12.75 | 0.18 | 0.25 | 0.33 | 0.375 | 0.406 | 0.562 | 0.5 | 0.688 | 0.844 | 1 | 1.125 | 1.312 | 1 |
| 14 | 14 | 0.25 | 0.312 | 0.375 | 0.375 | 0.438 | 0.594 | 0.5 | 0.75 | 0.938 | 1.094 | 1.25 | 1.406 | |
| 16 | 16 | 0.25 | 0.312 | 0.375 | 0.375 | 0.5 | 0.656 | 0.5 | 0.844 | 1.031 | 1.219 | 1.438 | 1.594 | |
| 18 | 18 | 0.25 | 0.312 | 0.438 | 0.375 | 0.562 | 0.75 | 0.5 | 0.938 | 1.156 | 1.375 | 1.562 | 1.781 | |
| 20 | 20 | 0.25 | 0.375 | 0.5 | 0.375 | 0.594 | 0.812 | 0.5 | 1.031 | 1.281 | 1.5 | 1.75 | 1.969 | |
| 22 | 22 | 0.25 | 0.375 | 0.5 | ||||||||||
| 24 | 24 | 0.25 | 0.375 | 0.562 | 0.375 | 0.688 | 0.969 | 0.5 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | |
| 26 | 26 | 0.375 | 0.5 | |||||||||||
| 30 | 30 | 0.312 | 0.5 | 0.625 | 0.375 | 0.5 | ||||||||
| 36 | 36 | 0.312 | 0.5 | 0.625 | 0.375 | 0.75 | 0.5 | |||||||
| 40 | 40 | 0.375 | 0.5 | |||||||||||
| 42 | 42 | 0.375 | 0.5 | |||||||||||
| 48 | 48 | …….. | …….. | …….. | 0.375 | …….. | …….. | 0.5 | …….. | …….. | …….. | …….. | …….. | …….. |

