Stainless Steel 150# Pipe Flanges
Shop stainless steel 150# pipe flanges for Class 150 piping systems. PipingNow offers 304L and 316L stainless steel flanges in common styles including weld neck, slip-on, blind, socket weld, threaded, lap joint, blind plate, and slip-on plate flanges. These SS flanges are available in sizes from 1/2 in through 24 in.
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Pressure Class: 150# / Class 150 / 150 lb
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Materials: 304L Stainless Steel and 316L Stainless Steel
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Sizes: 1/2 in through 24 in
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Flange Types: Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, Blind Plate, Slip-On Plate
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Schedule Options: 10S, 40S, and 80S available on select products
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Specification: ASTM A182 / ASME SA182
150# Stainless Steel Flange Options
Stainless steel Class 150 flanges are used to connect pipe, valves, fittings, and equipment in bolted piping systems. Available options include weld neck flanges, slip-on flanges, blind flanges, socket weld flanges, threaded flanges, lap joint flanges, and stainless steel plate flanges.
304L stainless steel flanges are commonly used for general corrosion resistance. 316L stainless steel flanges are often used when added corrosion resistance is needed, especially in more demanding piping environments.
ANSI 150 Flange Dimensions and Weights
Use the resources below to review stainless steel flange dimensions and flange weight information. General dimensions of our pipe flange types conform to MSS-SP-51. Bolt hole and bolt circle dimensions correspond to ANSI / ASME B16.5. ANSI 150 flanges are identified with the manufacturer's trademark, nominal pipe size, material grade, and heat number where applicable.
Helpful Resources: Flange Dimension Chart | Flange Weight Chart
Need Help or a Different Flange Material?
If you need help finding the right stainless steel flange, matching a flange to your pipe size or schedule, or confirming availability, contact our team. We can also help with flanges in Carbon Steel A105, 310 stainless, 317 stainless, 321 stainless, Alloy 20, Alloy 400, Alloy 600, C276, and other alloys.
Call 833.290.3800 or email info@pipingnow.com.
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