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Ganpat Metal manufactures and supplies SS 316L flanges in India as per ASTM A182 / ASME SA182. These flanges are available in different sizes, pressure classes, face configurations and dimensional standards for industrial piping and equipment.
| Technical Parameter | Specification |
|---|---|
| Material Grade | Stainless Steel 316L |
| UNS / Werkstoff | UNS S31603 / WNR 1.4404 / INOX 316L / SUS 316L |
| Material Standard | ASTM A182 / ASME SA182 |
| Size Range | ½″ to 48″ |
| Pressure Classes | 150# to 2500# |
| Pipe Schedules | SCH 5 to XXS |
| Dimensional Standards | ASME B16.5, ASME B16.47 Series A & B, MSS SP44 |
| Face Types | RF, FF, RTJ |
| Thread Options | NPT, FNPT, MNPT, BSPT, BSPP |
| Manufacturing | Forging, casting, rolling |
| Testing | Tensile, hardness, PMI and pressure testing |
| Documentation | MTC, radiography reports and third-party inspection reports as specified |
| Standard | Application |
|---|---|
| ASME B16.5 | Standard pipe flanges |
| ASME B16.47 Series A & B | Large-diameter flanges |
| MSS SP44 | Large-diameter steel flanges |
| Pressure Class | Available Ratings |
|---|---|
| ASME / ANSI | 150#, 300#, 400#, 600#, 900#, 1500#, 2500# |
| Pipe Schedule | SCH 5 to XXS |
| Grade | C Max | Mn Max | Si Max | P Max | S Max | Cr | Mo | Ni | Fe |
|---|---|---|---|---|---|---|---|---|---|
| SS 316L / S31603 | 0.035 | 2.0 | 1.0 | 0.045 | 0.030 | 16.00–18.00 | 2.00–3.00 | 10.00–14.00 | Balance |
| Property | SS 316L |
|---|---|
| Tensile Strength | 75,000 psi (515 MPa) |
| Yield Strength, 0.2% Offset | 30,000 psi (205 MPa) |
| Elongation | 35% |
| Density | 8.0 g/cm³ |
| Melting Point | 1399°C (2550°F) |
| Standard | Equivalent Grade |
|---|---|
| UNS | S31603 |
| Werkstoff No. | 1.4404 / 1.4435 |
| JIS | SUS 316L |
| BS | 316S11 / 316S13 |
| GOST | 03Ch17N14M3 / 03Ch17N14M2 |
| AFNOR | Z3CND17-11-02 / Z3CND18-14-03 |
| EN | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| Parameter | Specification |
|---|---|
| Nominal Pipe Size | ½″ to 48″ |
| Pressure Classes | 150# to 2500# |
| Pipe Schedules | SCH 5 to XXS |
| Dimensional Standards | ASME B16.5, B16.47 Series A & B, MSS SP44 |
| Face Options | RF, FF, RTJ |
The following representative dimensions cover commonly specified SS 316L flange sizes:
| Size | Hub Base Dia. X | Raised Face Dia. R | Flange OD O | Flange Thk. Q | WN Hub Length | Slip-On / Threaded Hub | Slip-On Bore W |
|---|---|---|---|---|---|---|---|
| ½″ | 1-3/16″ | 1-3/8″ | 3-1/2″ | 7/16″ | 1-7/8″ | 5/8″ | 0.88 |
| 1″ | 1-15/16″ | 2″ | 4-1/4″ | 9/16″ | 2-3/16″ | 11/16″ | 1.36 |
| 2″ | 3-1/16″ | 3-5/8″ | 6-3/4″ | 3/4″ | 2-1/2″ | 1″ | 2.44 |
| 4″ | 5-5/16″ | 6-3/16″ | 9″ | 15/16″ | 3″ | 1-5/16″ | 4.57 |
| 6″ | 7-9/16″ | 8-1/2″ | 11″ | 1″ | 3-1/2″ | 1-9/16″ | 6.72 |
| 8″ | 9-11/16″ | 10-5/8″ | 13-1/2″ | 1-1/8″ | 4″ | 1-3/4″ | 8.72 |
| 10″ | 12″ | 12-3/4″ | 16″ | 1-3/16″ | 4″ | 1-15/16″ | 10.88 |
| 12″ | 14-3/8″ | 15″ | 19″ | 1-1/4″ | 4-1/2″ | 2-3/16″ | 12.88 |
| 16″ | 18″ | 18-1/2″ | 23-1/2″ | 1-7/16″ | 5″ | 2-1/2″ | 16.16 |
| 20″ | 22″ | 23″ | 27-1/2″ | 1-11/16″ | 5-11/16″ | 2-7/8″ | 20.20 |
| 24″ | 26-1/8″ | 27-1/4″ | 32″ | 1-7/8″ | 6-1/4″ | 4-3/8″ | 24.25 |
The supplied pressure-rating data is shown below against temperature and pressure class. Pressure units should be confirmed against the applicable design standard before publication or engineering use.
| Temperature (°F) | 150# | 300# | 400# | 600# | 900# | 1500# | 2500# |
|---|---|---|---|---|---|---|---|
| -20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
| 200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
| 300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
| 400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
| 500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
| 600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
| 700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
| 800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
| 900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
| 1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
| 1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
| 1200 | 20 | 155 | 205 | 310 | 465 | 770 | 1285 |
| 1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
| 1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
| 1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |
| Pipe Size | Flange OD (in) | Flange Dia. (in) | Min. WT (in) | Face Dia. (in) | No. of Holes | Weight (kg/pc) |
|---|---|---|---|---|---|---|
| ½″ | 3.750 | 3.750 | 0.560 | 1.380 | 4 | 0.64 |
| ¾″ | 4.620 | 4.620 | 0.620 | 1.690 | 4 | 1.11 |
| 1″ | 4.880 | 4.880 | 0.690 | 2.000 | 4 | 1.39 |
| 1¼″ | 5.250 | 5.250 | 0.750 | 2.500 | 4 | 1.79 |
| 1½″ | 6.120 | 6.120 | 0.810 | 2.880 | 4 | 2.66 |
| 2″ | 6.500 | 6.500 | 0.880 | 3.620 | 8 | 3.18 |
| 3″ | 8.250 | 8.250 | 1.120 | 5.000 | 8 | 6.81 |
| 4″ | 10.000 | 10.000 | 1.250 | 6.190 | 8 | 11.58 |
| 6″ | 12.500 | 12.500 | 1.440 | 8.500 | 12 | 20.91 |
| 8″ | 15.000 | 15.000 | 1.620 | 10.620 | 12 | 34.31 |
| 10″ | 17.500 | 17.500 | 1.880 | 12.750 | 16 | 53.31 |
Select Flange options below and click the "Calculate Weight" button to reveal exact weight.
Used for positive line isolation where visual identification of the open or closed position is required.
Used with orifice plates and pressure connections for flow measurement systems.
Used with stub ends where flange rotation helps with bolt-hole alignment.
Available with threaded connections such as NPT or BSP configurations where specified.
Used for smaller-bore piping connections where a socket-weld configuration is specified.
Designed with matching tongue-and-groove faces for specified piping and equipment connections.
| Face Type | Description |
|---|---|
| Raised Face (RF) | Raised sealing surface for standard bolted connections |
| Flat Face (FF) | Flat sealing face used with compatible piping arrangements |
| Ring Type Joint (RTJ) | Grooved face for metallic ring gasket sealing |
Surface finish options can include smooth, serrated, spiral/concentric and mirror finishes according to the required specification.
SS 316L flanges can be produced through the specified manufacturing process and precision machining to meet required dimensional and material specifications.
Inspection and documentation can include:
Ganpat Metal supplies SS 316L / UNS S31603 flanges in different sizes, pressure classes, configurations and dimensional standards. Flanges can be supplied according to specified project requirements, inspection requirements and documentation needs.
Share your required size, pressure class, flange configuration, dimensional standard, quantity and inspection/documentation requirements with Ganpat Metal for an SS 316L flange quotation.
Ganpat Metal also supplies other grades in its Stainless Steel Flanges range, including SS 304, SS 304L and SS 316 flanges for different piping and equipment requirements. Visit the complete Stainless Steel Flanges category page to explore the full range.
