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Stainless Steel Coupling

Views: 3     Author: Site Editor     Publish Time: 2023-11-02      Origin: Site

As an important forged pipe fittings, ASME B16.11 Stainless Steel Pipe Coupling is mainly used in non-butt welded pipes which size under 4 inches. It is one of the most outstanding pipe fittings with excellent overall properties such as good looking, durable and clean. The application fields cover oil, gas, chemical, food industry and so on.

ASME B16.11 Classification of stainless steel pipe coupling

Based on the connection method, there are threaded coupling and socket weld coupling.

According to the shape, we can divide steel pipe coupling into straight and reducing coupling.

Based on the length, we can call them as full coupling and half coupling.

What is the Threaded Coupling

We also named threaded pipe coupling as screwed coupling. They have thread at one or both ends that allows two steel pipes or tubes to be joined. The common thread types are NPT for ASME B16.11.

Size: 1/8″ to 4″

Pressure: 3000LB, 6000LB

Material:ASTM A182 F304, F316, F317, F310, F321, F51, F53.

Threaded Coupling Dimensions:

What is the Socket Coupling

Same as other socket weld fittings, they are generally used to connect steel pipe which nominal diameter below 4 inch. Socket weld pipe coupling also have full and half coupling.

Size: 1/8″ to 4″

Pressure: 3000LB, 6000LB,9000LB

Material:ASTM A182 F304, F316, F317, F310, F321, F51, F53.

Socket Weld Coupling Dimensions

Our Advantages:

As we know stainless steel 316 & 304 have great strength, corrosion resistance and response to impact and explosion. But how to provide best product for customer? Choose the top quality original materials and right grades for stainless steel pipe coupling. And the test the properties after done the production. That’s our key.

Let’s see the stainless steel properties as following.

Chemical Composition %

Mechanical Properties



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