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Stainless Steel 309 Flanges

UNS S30900 Forge Flange, 309 SS Reducing Flange, Stainless Steel 309 Blind Flange, SS 309 Longweld Neck Flange, ASTM A182 SS 309 Weldneck Flange, DIN 1.4828 Flat Flange, SS 309 Slip On Flange, UNS S30900 Square Flange.

About Stainless Steel 309 Flanges

Stainless steel 309 Flanges are very robust and malleable. The austenitic metal used to make stainless steel 309 flanges also contains significant levels of nickel and chromium. This grade of stainless steel flanges offers significant strength at high temperatures. These flanges have good oxidation resistance, high damage tolerance, and ductility characteristics at high temperatures. Alloys 309S Flanges are extremely corrosion resistant, have remarkable durability against oxidation, and have superior thermal resistance while offering good strength at low and high temperatures because of their substantial chromium and nickel content. The carbon content is the sole important distinction between 309 and 309S. Because Alloy 309S has significantly less carbon, carbide precipitation is reduced, and weldability is increased.

Properties of stainless steel 309 Flanges:

  • These components increase the grade’s flexibility and durability. The significant chromium and nickel strength provide superior robustness and scalability.
  • Stainless steel 309/309S flanges provide good corrosion resistance, embrittlement, and tension cracking.
  • These flanges offer high heat and corrosion resistance.
  • Alloy 309 may be used at temperatures up to 1832°F (1000°C) in sulfur-containing atmospheres because of its substantial chromium and reduced nickel content.
  • Due to its modest resistance to carbon absorption, the alloy is not advised for usage in severely carburising environments.
  • Alloy 309 Flanges can be used in applications that involve mild oxidation, nitriding, cementing, and thermal cycling; however, factories must lower the high service heat.
  • Because this alloy has less carbon, the grade is more stable and weldable.
  • Due to its superior chemical and mechanical characteristics, SS 309/309S blind flanges are frequently employed as boilers and heat exchangers.
  • These flanges have extraordinarily high yield and tensile strengths.
  • The 309 Stainless Steel Flanges are subjected to mechanical tensile testing and other hardness tests to ensure optimum satisfaction.

Applications of 309 Stainless Steel Flanges:

Grade 309 flanges can endure extreme heat, inclement weather, and chloride-rich environments. These materials are the name of a family of corrosion-resistant steels, not a single substance. Depending on the diverse capabilities, an extensive range of Stainless Steel 309 Flanges are available in different diameters, wall thicknesses, and ranges of measures. Since SS 309 Flanges can be reinforced at 1038 degrees Celsius before being extinguished in water, they also protect the marine environment. The flanges are a necessary component of modern life and are used incommercial applications, such as automotive headers, food manufacturing lines, and mechanical parts.Because of their tensile strength, damage tolerance, and simplicity of maintenance, stainless steel flanges are the ideal material for various applications. Additionally, it is 100% recyclable and has a long-life cycle.

309 SS SORF Flange, SS 309 RTJ Flange, 309 SS Threaded Flange, DIN 1.4828 Orifice Flange, ASME SA182 SS 309 Socketweld Flange, UNS S30900 Groove Flange, DIN 1.4828 Lap Joint Flange.

Specification of Stainless Steel 309 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 309 Flanges

Equivalent Grades of Stainless Steel 309 Flanges

STANDARDWERKSTOFF NR.UNS
SS 3091.4828S30900

Chemical Composition of Stainless Steel 309 Flanges

GradeCNiSiSMnPCrMo
SS 3090.20 max12.0 – 15.00.75 max0.03 max2.00 max0.045 max22.0 – 24.0

Mechanical Properties of Stainless Steel 309 Flanges

ElementDensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
SS 3098.0 g/cm31455°C (2650°F)Psi – 89900 , MPa – 620Psi – 45000 , MPa – 31045 %

Other Types of Flanges of Stainless Steel 309 Flanges

Dimensions Standard Of Stainless Steel 309 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 309 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 309 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 309 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 309 Flanges

Price Of Stainless Steel 309 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 309 Flanges

We make sure that our every product is made of high quality raw material. We thoroughly test each and every product before dispatching it to our customers.

Testing Of Stainless Steel 309 Flanges

We known for its accurate and perfect dimensions. We thoroughly test all our products before shipping them to the customers. We carry out destructive as well as non-destructive tests on all our products.

Packing Of Stainless Steel 309 Flanges

We uses the most safest and the most effective ways of packaging for all types of deliveries. We pack our goods in various ways such as: