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Flattening Test fixture for PVC Pipe ASTM D2241

Flattening Test fixture for PVC Pipe ASTM D2241

ASTM D2241

Flattening Test fixture for PVC Pipe is stipulated on ASTM D2241, compress the pipe specimen to certain deformation, to measure the pipe mechanical strength. 

ASTM D2241 Standard, stipulated the test method of the flattening test on Clause 8.6:


Flattening Test—Flatten three specimens of the pipe, 2 in. (50 mm) long, between parallel plates in a suitable press until the distance between the plates is 40 % of the outside diameter of the pipe. The rate of loading shall be uniform and such that the compression is completed within 2 to 5 min.

On removal of the load, examine the specimens for evidence of splitting, cracking, or breaking.

– Minimum load required (no deflection limit indicated)
– Flattening test to 40% with no visible cracking

General introduction

Flattening Test fixture for PVC Pipe is stipulated on ASTM D2241, compress the pipe specimen to certain deformation, to measure the pipe mechanical strength. 

ASTM D2241 Standard, stipulated the test method of the flattening test on Clause 8.6:


Flattening Test—Flatten three specimens of the pipe, 2 in. (50 mm) long, between parallel plates in a suitable press until the distance between the plates is 40 % of the outside diameter of the pipe. The rate of loading shall be uniform and such that the compression is completed within 2 to 5 min.

On removal of the load, examine the specimens for evidence of splitting, cracking, or breaking.

– Minimum load required (no deflection limit indicated)
– Flattening test to 40% with no visible cracking



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