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Stainless Steel 317/317L Flanges

ASTM A182 SS 317 Weldneck Flange, 317 SS SORF Flange, UNS S31700 Forge Flange, Stainless Steel 317 Blind Flange, DIN 1.4449 Flat Flange, DIN 1.4449 Lap Joint Flange, UNS S31700 Groove Flange, ASME SA182 SS 317 Socketweld Flange.

About Stainless Steel 317/317L Flanges

Compared to common chromium-nickel alloys like SS 304 and SS 316L, SS 317 Flanges is a molybdenum-containing austenitic alloy with improved chemical resistance. Chromium-nickel stainless steel austenitic of type 317 SS Flanges has exceptional corrosion resistance. The high molybdenum concentration enhances this grade’s ability to resist pitting. High tensile strength and creep strength are both characteristics of this grade. Type 317 stainless steel is more durable than type 304. This alloy may be heated to between 2100 and 2300F. This alloy can be cold-hammered, which increases its hardness and toughness even though it cannot be heated.

Properties of Stainless Steel 317/317L Flanges:

  • This flange grade is brought on by corrosion, resulting from borders where chromium carbide has precipitated. SS 317/317L Flanges may be produced and drawn quickly but cannot be hardened by any heat treatment.
  • The corrosion resistance of SS 317L flanges is often weaker than the usual austenitic stainless steel 317 flanges.
  • While hard work can improve strength and hardness, these flanges do not react to heat treatment.
  • The main advantage of these flanges (and other grades of stainless steel that precipitate harden) is that they are often provided in the solution-treated form when they are barely machinable and may be age-hardened to obtain relatively high strengths.
  • Because the temperature during this ageing process of these flanges is so low, no noticeable deformation occurs.
  • Additionally, the flanges offer stronger creep, stress-to-rupture, and tensile strength levels at higher temperatures.
  • Compared to alloys of other stainless-steel grades, alloy 317L with a low carbon content offers higher corrosion resistance.
  • SS 317L is resistant to sensitisation experienced during welding and other heat treatments because it has less carbon.

Applications of Stainless Steel 317/317L Flanges:

In applications where it is prohibited to anneal after welding, chromium-nickel austenitic stainless steel with a low carbon content is also utilized, and that steel is designated as SS 317/317L. Additionally, consumers can use it for applications that call for excellent corrosion resistance. The pulp and paper sector, energy exchangers, dynamite, air quality control, food, and drinks all employ materials of this grade. The 317L Stainless Steel Flanges are utilized in various industries and applications. In pipe systems, slurry tanks, compressors, tanks, valves, and other structures, SS 317 flanges are often employed. These Flanges are designed to function in harsh environments like the desulphurisation of flue gas systems. It is employed in cementing, thermal cycling, oxidising, and nitriding applications. It is also considered a non-flammable material and highly resistant to marine atmosphere. These flanges aid in preventing leaks in high-pressure pipes. These flanges give access to a line for measuring liquids or gases. They can be mounted beside flow nozzles or orifice plates.

SS 317 RTJ Flange, SS 317 Slip On Flange, UNS S31700 Square Flange, 317 SS Reducing Flange, 317 SS Threaded Flange, SS 317 Longweld Neck Flange, DIN 1.4449 Orifice Flange.

Specification of Stainless Steel 317/317L Flanges

SpecificationASTM A182 / ASME SA182
Dimension StandardANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
StandardANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size1/2" (15 NB) to 48" (1200NB)
Class / Pressure150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face TypeFlate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN FlangesDIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.
JIS FlangesJIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS FlangesBS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.

Ready stock of Flanges available for Stainless Steel 317/317L Flanges

Equivalent Grades of Stainless Steel 317/317L Flanges

STANDARDUNSWNR.JISEN
SS 317S317001.4449SUS 317-
SS 317LS317031.4438SUS 317LX2CrNiMo18-15-4

Chemical Composition of Stainless Steel 317/317L Flanges

GradeCMnSiPSCrMoNiN
3170.08 max2 max1 max0.040 max0.03 max18 – 203 – 411 – 14-
317L0.035 max2 max1 max0.040 max0.03 max18 – 203 – 411 – 15-

Mechanical Properties of Stainless Steel 317/317L Flanges

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
8.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %

Other Types of Flanges of Stainless Steel 317/317L Flanges

Dimensions Standard Of Stainless Steel 317/317L Flanges

Nominal SizeOutside Diameter
(OD)
Min. Thickness
(T)
RF Dia.
(R)
No. of Bolt HolesDiameter of HolesBolt Circle
(BC)
SO Bore ID
(SB)
WN Bore ID
(WB)
Dia. Hub Base
(HB)
Dia. of Hub Top
(HT)
SO LTH
(SL)
WN LTH
(WL)
123.500.381.3840.622.380.880.621.190.840.561.81
343.880.441.6940.622.751.090.821.501.050.562.00
14.250.502.0040.623.121.361.051.941.320.622.12
1144.620.562.5040.623.501.701.382.311.660.752.19
1125.000.622.8840.623.881.951.612.561.900.812.38
26.000.693.6240.754.752.442.073.062.380.942.44
2127.000.814.1240.755.502.942.473.562.881.062.69
37.500.885.0040.756.003.573.074.253.501.122.69
3128.500.885.5080.757.004.073.554.814.001.192.75
49.000.886.1980.757.504.574.035.314.501.252.94
510.000.887.3180.888.505.665.056.445.561.383.44
611.000.948.5080.889.506.726.077.566.631.503.44
813.501.0610.6280.8811.758.727.989.698.631.693.94
1016.001.1212.75121.0014.2510.8810.0212.0010.751.883.94
1219.001.1915.00121.0017.0012.8812.0014.3812.752.124.44
1421.001.3116.25121.1218.7514.1413.2515.7514.002.194.94
1623.501.3818.50161.1221.2516.1615.2518.0016.002.444.94
1825.001.5021.00161.2522.7518.1817.2519.8818.002.625.44
2027.501.6223.00201.2525.0020.2019.2522.0020.002.815.62
2229.501.7525.25201.3827.2522.2221.2524.2522.003.075.82
2432.001.8127.25201.3829.5024.2523.2526.1224.003.195.94

Size Of Stainless Steel 317/317L Flanges

Nom. Pipe SizeoT1RxNo.2/Dia. of HolesBolt Circle Dia.L21HB23LBrL34B3D
1/23.500.441.381.194-0.622.381.880.840.620.620.880.120.620.900.38
3/43.880.501.691.504-0.622.752.061.050.820.621.090.120.621.110.44
14.250.562.001.944-0.623.122.191.321.050.691.360.120.691.380.50
1-1/44.620.622.502.314-0.623.502.251.661.380.811.700.190.811.720.56
1-1/25.000.682.882.564-0.623.882.441.901.610.881.950.250.881.970.62
26.000.753.623.064-0.754.752.502.382.071.002.440.311.002.460.69
2-1/27.000.884.123.564-0.755.502.752.882.471.122.940.311.122.970.75
37.500.945.004.254-0.756.002.753.503.071.193.570.381.193.600.81
3-1/28.500.945.504.818-0.757.002.814.003.551.254.070.381.254.100.88
49.000.946.195.318-0.757.503.004.504.031.314.570.441.314.600.94
510.000.947.316.448-0.888.503.505.565.051.445.660.441.445.690.94
611.001.008.507.568-0.889.503.506.636.071.566.720.501.566.751.06
813.501.1210.629.698-0.8811.754.008.637.981.758.720.501.758.751.25
1016.001.1912.7512.0012-1.0014.254.0010.7510.021.9410.880.501.9410.921.31
1219.001.2515.0014.3812-1.0017.004.5012.7512.002.1912.880.502.1912.921.56
1421.001.3816.2515.7512-1.1218.755.0014.0013.252.2514.140.503.1214.181.63
1623.501.4418.5018.0016-1.1221.255.0016.0015.252.5016.160.503.4416.191.75
1825.001.5621.0019.8816-1.2522.755.5018.0017.252.6918.180.503.8118.201.94
2027.501.6923.0022.0020-1.2525.005.6920.0019.252.8820.200.504.0620.252.13
2229.501.8125.2524.2520-1.3827.255.8822.0021.253.1322.220.504.2522.252.38
2432.001.8827.2526.1220-1.3829.506.0024.0023.253.2524.250.504.3824.252.50

Weight Chart Of Stainless Steel 317/317L Flanges

Standard Of FlangesClass Of FlangesDiameter Of FlangesDiameter Of Bolt CircleBolts NumberSize Of BoltBolt Hole Diameter
AS4087 FlangesPN14 Flanges95674M1214
AS 2129 FlangeTable C Flanges956741314
Table D Flanges956741314
Table E Flanges956741314
Table F Flanges956741314
Table H Flanges1148341617
Table J Flanges1148341617
ANSI B16.5 FlangesANSI 150 Flanges896041316
ANSI 300 Flanges956741316
ANSI 600 Flanges956741316
ANSI 900 Flanges1218341922
ANSI 1500 Flanges1218341922
ISO 7005 (DIN) FlangePN6 Flanges80554M1011
PN10 Flanges95654M1214
PN16 Flanges95654M1214
PN20 Flanges9060.54M1416
PN25 Flanges95654M1214
PN40 Flanges95654M1214

Pressure Rating Of Stainless Steel 317/317L Flanges

Temp. ℃Pressure-ASME temperature rating for B16.47  by class, bar   
 75150300400600900
-29 to 3810.020.051.768.9103.4155.1
509.819.551.768.9103.4155.1
1008.817.750.767.5101.3152.0
1507.915.845.961.291.9137.8
2006.913.842.756.985.3128.0
2506.012.140.553.980.9121.4
3005.110.238.951.877.7116.6

industrial use flanges for Stainless Steel 317/317L Flanges

Price Of Stainless Steel 317/317L Flanges

Stainless Steel Forged FlangesUSD $2.05 - $10.06 / Piece (FOB Price) on request
Stainless Steel Blind FlangesUSD $2.05 - $10.06 / Piece (FOB Price) on request
Stainless Steel Slip On FlangeUSD $2.05 - $10.06 / Piece (FOB Price) on request
Stainless Steel Socketweld FlangesUSD $2.05 - $10.06 / Piece (FOB Price) on request
Stainless Steel Long Weld Neck FlangesUSD $2.05 - $10.06 / Piece (FOB Price) on request

Application Of Stainless Steel 317/317L Flanges

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Testing Of Stainless Steel 317/317L Flanges

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Packing Of Stainless Steel 317/317L Flanges

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