Malleable Iron fittings-Elbows

For threaded fittings, in addition to the common forging process, there is also a casting process. The common material is ASTM A197, and the executive standard is ASME B16.3, which is called Malleable Iron fitting.

Malleable Iron not steel, but a special kind of iron, it can be machined, with high mechanical properties, good plasticity and toughness.Malleable Iron fittings are also a kind of regular products we often provide to customers.

Elbow, pipe:2 “150 LB.90 DEG, threaded F X F, CS, ASTM A197, ASME B16.3, ASME B1.20.1.” Taking this description as an example, 90°threaded elbow, “F X F” means Female-Female thread, and ASME B1.20.1 is the standard of thread. The drawing is as follow:

 

Elbow 90 Degree threaded F X F Drawing

Elbow 90 Degree threaded F X F Drawing

And the following are the product photos provided to customer.

Malleable Iron fittings

Malleable Iron fittings

Elbow 90 Degree threaded F X F ASTM A197 ASME B16.3

Elbow 90 Degree threaded F X F ASTM A197 ASME B16.3

There is only one size, which means equal elbow. Of course, there is also the reducing Malleable Iron elbow. As shown in the figure, the two end sizes are different, and there are A and B two values.

Male Reducing Malleable Iron Elbow

Male Reducing Malleable Iron Elbow

In addition, since the Female-Female thread is marked, it is conceivable that there is also an Male thread elbow, and the picture comparison is also attached.

Malleable Male Female Elbow

Malleable Male Female Elbow

This is an elbow with an Female thread at one end and an Male thread at the other end. i.e. Malleable Male-Female Elbow, also has different A and B values.

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