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SS 316L Flanges

ASTM A182 / ASME SA182 Grade F316L Stainless Steel Flanges from ½″ to 48″, Class 150# to 2500#

SS 316L Flanges Manufacturer in India

Flange Product

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.

SS 316L Flanges Technical Data & Specifications Matrix

Specifications of SS 316L Flanges

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

SS 316L Flange Standards and Pressure Classes

Standard Application
ASME B16.5 Standard pipe flanges
ASME B16.47 Series A & B Large-diameter flanges
MSS SP44 Large-diameter steel flanges

Available Pressure Classes & Schedules

Pressure Class Available Ratings
ASME / ANSI 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
Pipe Schedule SCH 5 to XXS

Chemical Composition of SS 316L Flanges

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

Mechanical Properties of SS 316L Flanges

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)

Equivalent Grades of Stainless Steel 316L Flanges

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

SS 316L Flange Sizes and Dimensions

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

SS 316L Flange Dimension Chart

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

SS 316L Flange Pressure Ratings

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

SS 316L Flange Weight Chart

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

SS 316L Stainless Steel Flange Weight Calculator

Select Flange options below and click the "Calculate Weight" button to reveal exact weight.

SS 316L Flange Types

SS 316L Spectacle Flanges
SS 316L Spectacle Flanges

Used for positive line isolation where visual identification of the open or closed position is required.

SS 316L Orifice Flanges
SS 316L Orifice Flanges

Used with orifice plates and pressure connections for flow measurement systems.

SS 316L Lap Joint Flanges
SS 316L Lap Joint Flanges

Used with stub ends where flange rotation helps with bolt-hole alignment.

SS 316L Threaded Flanges
SS 316L Threaded Flanges

Available with threaded connections such as NPT or BSP configurations where specified.

SS 316L Socket Weld Flanges
SS 316L Socket Weld Flanges

Used for smaller-bore piping connections where a socket-weld configuration is specified.

SS 316L Tongue & Groove Flanges
SS 316L Tongue & Groove Flanges

Designed with matching tongue-and-groove faces for specified piping and equipment connections.

SS 316L Flange Face Types

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 Flange Manufacturing and Inspection

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:

  • Tensile testing
  • Hardness testing
  • Positive Material Identification (PMI)
  • Pressure testing
  • Dimensional inspection
  • Mill Test Certificate (MTC)
  • Radiography reports where specified
  • Third-party inspection reports where required

SS 316L Flange Applications

  • Industrial hydraulic systems
  • Mobile hydraulic equipment
  • Chemical processing
  • Petrochemical plants
  • Oil and gas piping
  • Paper processing
  • Material handling systems
  • Process piping
  • Industrial equipment

SS 316L Flanges Manufacturer and Supplier in India

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.

Why Choose Ganpat Metal for SS 316L Flanges?

  • ASTM A182 / ASME SA182 SS 316L flanges
  • UNS S31603 / WNR 1.4404 material
  • ½″ to 48″ size range
  • 150# to 2500# pressure classes
  • ASME B16.5 and B16.47 dimensional options
  • PMI and dimensional inspection
  • MTC and inspection documentation
  • Third-party inspection where specified
  • ISO-certified and MSME-registered company

Request a Quote for SS 316L Flanges

Share your required size, pressure class, flange configuration, dimensional standard, quantity and inspection/documentation requirements with Ganpat Metal for an SS 316L flange quotation.

Related Stainless Steel Flanges

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.