ASME B16.5 Class 600 Flanges | Welding Neck

The ASME B16.5 Class 600 Weld Neck Flange is a fixed-parameter Weld neck flange designed to withstand a pressure of approximately 600 pounds force per square inch (PSIG) as per the ANSI (American National Standards Institute) standard. YANHAO ASME B16.5 Class 600 Cast flanges are made of Stainless Steel, Carbon Steel, and Alloy Steel, and can be sealed with gaskets or O-rings. we also provide additional components such as flange gaskets, bolts, nuts, flange covers, or flange cover gaskets.

We usually provide standard bottle flanges; if you need to order flanges of special types and hole diameters, please get in touch with our experts.

Custom Flanges

Class 600 dimensions | ASME B16.5 Flange

Nominal Pipe SizeOutside Diameter (O)Bolt Circle (W)Raised Face Diameter (R)Number of HolesDiameter of HolesBore (B)Point of Weld (A)Hub Diameter (X)Thickness (T)Length Thru Hub (Y)Approximate Weight (lbs)
1/23.752.621.3840.63Specified by purchaser0.841.500.562.062
3/44.623.251.6940.75Specified by purchaser1.051.880.622.254
14.883.502.0040.75Specified by purchaser1.322.120.692.444
1 1/45.253.882.5040.75Specified by purchaser1.662.500.812.636
1 1/26.124.502.8840.88Specified by purchaser1.902.750.882.758
26.505.003.6280.75Specified by purchaser2.383.311.002.8812
2 1/27.505.884.1280.88Specified by purchaser2.883.941.123.1218
38.256.625.0080.88Specified by purchaser3.504.621.253.2523
3 1/29.007.255.5081.00Specified by purchaser4.005.251.383.3826
410.007.886.1981.00Specified by purchaser4.505.751.383.5035
511.009.257.3181.00Specified by purchaser5.567.001.504.0043
612.5010.628.50121.00Specified by purchaser6.638.121.624.0657
815.0013.0010.62121.13Specified by purchaser8.6310.251.884.6289
1017.5015.2512.75161.25Specified by purchaser10.7512.622.124.88125
1220.5017.7515.00161.38Specified by purchaser12.7514.752.255.38175
1423.0020.2516.25201.38Specified by purchaser14.0016.752.385.88230
1625.5022.5018.50201.50Specified by purchaser16.0019.002.506.00295
1828.0024.7521.00241.50Specified by purchaser18.0021.002.626.50350
2030.5027.0023.00241.63Specified by purchaser20.0023.132.756.62425
2233.0029.2525.25241.75Specified by purchaser22.0025.252.886.75505
2436.0032.0027.25241.88Specified by purchaser24.0027.623.006.88620
  • All dimensions are in inches.
  • These flanges will be furnished with a 1/4″ raised face unless otherwise specified. For more alternate flange facings, please click here!

Weld Neck Flange

Weld Neck Flange is a type of industrial pipe connection, especially used in pressure pipeline systems. Thanks to the high structural strength, sealing performance, corrosion resistance, and the characteristics of withstanding high temperature and pressure of the welding neck flange, it can be used for oil transportation pipelines, ship pipeline systems, and the transportation of raw materials in chemical plants, etc.

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ANSI B16.5 Forged Flanges FLANGE CLASSES

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About YANHAO

Aerial view of YANHAO Factory
Aerial view of YANHAO Factory

YANHAO is a flange manufacturer located in Hebei Province, China. It is one of the few professional flange suppliers in China.

We have many years of experience in flange production and have multiple flange production lines. We have sufficient stock of raw materials, rich inventory, fast delivery, and can ship within three days. At the same time, the price is affordable. You are welcome to consult and purchase!

In addition, we can provide a variety of bespoke flanges and pipe fittings. Customers can give drawings or samples, and our company will produce them to fit your specific requirements.

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