Steel Chosen for its High Yield Strength

800mm steel pipe with a 3 layer polyethylene coating has been chosen ahead of other pipe materials due to its high Yield Strength.  The scheme, in the Forest of Bowland, involves the reinforcement of an existing water supply and the buttwelded pipe is to be installed in a potential landslip zone. The slow, progressive force of the land slip called upon the high Yield Strength offered by steel which was specified at 275, higher than the Yield Strength of both HDPE and ductile iron pipes.

Another important factor which influenced the material selection was the requirement for a minimum wall thickness of 12.5mm.


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