Most prominent SS 317l flanges manufacturer in India

Stainless steel 317L flanges manufacturer in India

We have extensive experience as supplier of ASTM A182 F317L blind and slip on flanges in Mumbai at low price

Stainless steel 317L flanges

Stainless steel 317L flanges

SS 317L flange

SS 317L flanges

Stainless Steel 317L Blind Flange

Stainless Steel 317L Blind flanges

As stockist we keep one of the broadest selections of UNS S31703 weld neck and socket weld flanges in Class 150# to 2500#

Table of Content

Specifications of Stainless steel 317L flanges

Stainless steel 317L flanges specifications

Size Pressure Standard
1/2 to 60 inch NB PN6 to PN64 ASME/ANSI B16.5 and B16.47 Series A & B
Specification SS 317L flanges Class Alloy 317L Flanges Face Type
ASTM A182/ ASME SA182 300, 2500, 150, 900, 600, 1500 RF, FF, RTJ
Only top-notch quality ASTM A182 grade F317L threaded and lap joint flanges supply by us in different faces including RTJ, FF, RF etc.
Types of SS 317L flanges

ASTM A182 F317L plate flanges

ASTM A182 F317L plate flanges

  • Sizes: 1/2 to 60 inch NB
  • ASME standard: ANSI/ASME B16.5

UNS S31703 slip on flanges

UNS S31703 slip on flanges

  • Types : Blind, Weld neck, Slip On, Reducing flanges
  • Pressure: PN6 to PN64

SS 317l threaded flanges

SS 317l threaded flanges

  • Class: 150# to 2500#
  • ASTM standard: ASTM A182/ ASME SA182

ASTM A182 Grade F317L weld neck flanges

ASTM A182 Grade F317L weld neck flanges

  • Forged
  • Heat treated and machined

SS 317L socket weld flanges

SS 317L socket weld flanges

  • Ring Type Joint (RTJ)
  • Raised Face (RF) and Flat Face (FF)

DIN 1.4438 lap joint flanges

DIN 1.4438 lap joint flanges

  • Standard: ANSI B16.5, ANSI B16.47
  • B16.48, BS4504, BS 10, EN-1092
Standards of stainless steel 317l blind flanges
American National Standards Institute
  • ANSI 600
  • ANSI 150
  • ANSI 125
  • ANSI 300
  • ANSI 1500
  • ANSI 900
Australian Standard

AS2129
  • Table G
  • Table D
  • Table E
  • Table F
  • Table J
  • Table H
  • Table C
British Standard

BS10
  • Table H
  • Table K
  • Table F
  • Table D
  • Table G
  • Table E
  • Table J
British Standard

BS4504
  • BS4504-25
  • BS4504-10
  • BS4504-6
  • BS4504-100
  • BS4504-16
  • BS4504-64
  • BS4504-40
  • PN25
  • PN64
  • PN16
  • PN40
  • PN6
  • PN100
  • PN10
Torque chart UNS S31703 slip on flanges
Alloy 317L Flanges Size in mm Size in Inches Imperfections Maximum. Radial Projection
Deeper Than the Bottom of the Serrations, mm No Deeper Than the Bottom of the Serrations, mm
20 3/4 1.5 3.0
15 1/2 1.5 3.0
25 1 1.5 3.0
40 1 1/2 1.5 3.0
32 1 1/4 1.5 3.0
50 2 1.5 3.0
80 3 1.5 4.5
65 2 1/2 1.5 3.0
90 3 1/2 3.0 6.0
125 5 3.0 6.0
100 4 3.0 6.0
150 6 3.0 6.0
250 10 4.5 8.0
200 8 4.5 8.0
300 12 4.5 8.0
500 20 6.0 12.0
400 16 4.5 10.0
350 14 4.5 8.0
450 18 6.0 12.0
600 24 6.0 12.0
Our stocklist of Alloy 317L Flanges
flanges Class and Schedule flanges Size Range Type Of Connection Maximum Pressure
ASME B16.5 Class 300 1/2″ Slip On 720 psi
ASME B16.5 Class 150 1/2″ Socket Weld 275 psi
ASME B16.5 Class 300 1/2″ Slip On 720 psi
ASME B16.5 Class 150 3/4″ FNPT 150 psi
ASME B16.5 Class 300 4″ Slip On 720 psi
ASME B16.5 Class 150 1/2″ Welded 150 psi
ASME B16.5 Class 300 1″ Slip On 720 psi
ASME B16.5 Class 150 1/2″ FNPT 150 psi
ASME B16.5 Class 300 1-1/4″ FNPT 720 psi
ASME B16.5 Class 150 3/4″ Socket Weld 275 psi
ASME B16.5 Class 300 1″ Slip On 720 psi
ASME B16.5 Class 150 1-1/4″ Socket Weld 275 psi
ASME B16.5 Class 300 1-1/4″ Slip On 720 psi
ASME B16.5 Class 150 2″ FNPT 150 psi
ASME B16.5 Class 300 1-1/2″ Slip On 720 psi
ASME B16.5 Class 150 1-1/2″ Socket Weld 275 psi
ASME B16.5 Class 300 2″ Slip On 720 psi
ASME B16.5 Class 150 2″ Socket Weld 275 psi
ASME B16.5 Class 300 1-1/2″ Slip On 720 psi
ASME B16.5 Class 300 2″ Slip On 720 psi
ASME B16.5 Class 150 3″ Socket Weld 275 psi
ASME B16.5 Class 300 2-1/2″ Slip On 720 psi
ASME B16.5 Class 150 2-1/2″ Socket Weld 275 psi
ASME B16.5 Class 300 2-1/2″ Slip On 720 psi
ASME B16.5 Class 150 4″ Socket Weld 275 psi
ASME B16.5 Class 300 3″ Slip On 720 psi
ASME B16.5 Class 150 4″ FNPT 150 psi
ASME B16.5 Class 300 3″ Slip On 720 psi
ASME B16.5 Class 300 4″ Slip On 720 psi
Pressure ratings of ASTM A182 F317L lap joint flanges
Customary Unit
Temperature. °F 300 150 600 400 1500 900 2500
-20~100 750 290 1500 1000 3750 2250 6250
200 750 260 1500 1000 3750 2250 6250
300 730 230 1455 970 3640 2185 6070
400 700 200 1395 930 3490 2095 5820
500 665 170 1330 885 3325 1995 5540
600 605 145 1210 805 3025 1815 5040
650 590 125 1175 785 2940 1765 4905
700 570 110 1135 755 2840 1705 4730
750 530 95 1065 710 2660 1595 4430
800 510 80 1015 675 2540 1525 4230
metric unit
Temperature. °C 300 150 400 600 1500 900 2500
−29~38 51.7 20.0 68.9 103.4 258.6 155.1 430.9
50 51.7 19.5 68.9 103.4 258.6 155.1 430.9
100 51.5 17.7 68.7 103.0 257.6 154.6 429.4
150 50.3 15.8 66.8 100.3 250.8 150.6 418.2
200 48.3 13.8 64.5 96.7 241.7 145.0 402.8
250 46.3 12.1 61.7 92.7 231.8 139.0 386.2
300 42.9 10.2 57.0 85.7 214.4 128.6 357.1
325 41.4 9.3 55.0 82.6 206.6 124.0 344.3
350 40.3 8.4 53.6 80.4 201.1 120.7 335.3
375 38.9 7.4 51.6 77.6 194.1 116.5 323.2
400 36.5 6.5 48.9 73.3 183.1 109.8 304.9
425 35.2 5.5 46.5 70.0 175.1 105.1 291.6
A182 Gr F317L threaded flanges physical properties
Density Electrical Resistivity Specific Heat (0-100°C) Thermal Expansion Thermal Conductivity Modulus Elasticity
7.99 7.4 500 16.5 14.6 193
g/cm3 μohm/cm J.kg-1.°K-1 mm/m/°C W.m -1.°K-1 GPa
Weight chart of WNR 1.4438flanges
Standards Dia Class Bolt Circle Dia Bolt Sizes No of Bolts Dia of Bolt Hole
AS4087 95 PN14 67 M12 4 14
ANSI B16.5 89 ANSI 150 60 13 4 16
95 ANSI 300 67 13 4 16
95 ANSI 600 67 13 4 16
121 ANSI 900 83 19 4 22
121 ANSI 1500 83 19 4 22
AS 2129 95 Table C 67 13 4 14
95 Table D 67 13 4 14
95 Table E 67 13 4 14
95 Table F 67 13 4 14
114 Table H 83 16 4 17
114 Table J 83 16 4 17
ISO 7005 (DIN) 80 PN6 55 M10 4 11
95 PN10 65 M12 4 14
95 PN16 65 M12 4 14
90 PN20 60.5 M14 4 16
95 PN25 65 M12 4 14
95 PN40 65 M12 4 14
Dimensions of ASTM A182 grade F317L flanges
NPS For (Normal Pipe Sizes) in Inch Wall Thk Of (B) Outside Dia Of (O.D.)
(A)		 Dia Of Raised Face
(C)		 # flanges Bolts
Holes		 (D)
(B.C.D.)		 Approx.
Weight In (Kilogram)		 Dia Of Bolt Holes
1/2 7/16 3-1/2 1-3/8 4 2-3/8 2 5/8
3/4 1/2 3-7/8 1-11/16 4 2-3/4 2 5/8
1 9/16 4-1/4 2 4 3-1/8 2 5/8
1-1/4 5/8 4-5/8 2-1/2 4 3-1/2 3 5/8
1-1/2 11/16 5 2-7/8 4 3-7/8 3 5/8
2 3/4 6 3-5/8 4 4-3/4 4 3/4
2-1/2 7/8 7 4-1/8 4 5-1/2 7 3/4
3 15/16 7-1/2 5 4 6 9 3/4
3-1/2 15/16 8-1/2 5-1/2 8 7 13 3/4
4 15/16 9 6-3/16 8 7-1/2 17 3/4
5 15/16 10 7-5/16 8 8-1/2 20 7/8
6 1 11 8-1/2 8 9-1/2 27 7/8
8 1-1/8 13-1/2 10-5/8 8 11-3/4 47 7/8
10 1-3/16 16 12-3/4 12 14-1/4 67 1
12 1-1/4 19 15 12 17 123 1
14 1-3/8 21 16-1/4 12 18-3/4 139 1-1/8
16 1-7/16 23-1/2 18-1/2 16 21-1/4 187 1-1/8
18 1-9/16 25 21 16 22-3/4 217 1-1/4
20 1-11/16 27-1/2 23 20 25 283 1-1/4
24 1-7/8 32 27-1/4 20 29-1/2 415 1-3/8
Thickness tolerance of DIN 1.4438 weld neck flanges
SS 317L Weld Neck flanges Tolerance
D Inside Diameter (ID)
  • 12″ thru 18″: +1/8″
  • 10″ and smaller: ±1/32″
  • 20″ and larger: -1/16″
A OD
  • When OD is over 24″: ±1/8″
  • When OD is 24″ or less: ±1/16″
C Thickness
  • 20″ and larger: ±3/16″, -0″
  • 18″ and smaller: ±1/8″, -0″
J hub at base Diameter
  • When hub base is over 24″: ±1/8″
  • When hub base is 24″ or smaller: ±1/16″
B contact face Diameter
  • 1/4″ T/G (Tongue & Groove), RF (Raised Face), (male & female), (m/f): ±1/64″
  • 1/16″ raised face: ±1/32″
P Drilling
  • Bolts hole spacing: ±1/32″
  • Circle Bolts: ±1/16″
with respect to facing eccentricity of bolt circle
  • 3″ and larger ±1/16″ max
  • 2 1/2″ and smaller ±1/32″ max
H at point of welding diameter of hub
  • 6″ and larger: +5/32″ , -1/32
  • 5″ and smaller: +3/32″ , -1/32″
K hub length
  • 12″ and larger: ±1/8″
  • 10″ and smaller: ±1/16″
We are providing the most affordable ASTM A182 F 317L screwed and spectacle blind flanges with Mill TC with on time delivery as per ASME B16.5
Chemical composition of Stainless Steel 317L Blind flanges
Grade Mn C Si Cr P S Ni Mo N
317 minimum – – – 18.0 – – 11.0 – –
maximum 2.0 0.8 1.00 20.0 0.040 0.03 14.0 –
317L minimum – – – 18.0 – – 11.0 3.00 –
maximum 2.0 0.03 0.75 20.0 0.040 0.03 15.0 4.00 –
Mechanical properties of ASTM A182 F317L plate flanges
Grade Tensile Strength (MPa) minimum Yield Strength 0.2% Proof (MPa) minimum Elongation (% in 50 millimeter) minimum Hardness
Rockwell B (HR B) maximum Brinell (HB) maximum
317 515 205 35 95 217
317L 515 205 35 95 217
Equivalent of UNS S31703 slip on flanges
Grade Swedish SS UNS No Old British Euronorm Japanese JIS
BS En No Name
317 – S31700 – – 1.4449 – –
317L – S31703 – – 1.4438 – –
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