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KAUSHIK RAHANGDALE
من قبل KAUSHIK RAHANGDALE , Maintenance Engineer , Carlsberg india pvt ltd

using diagonal 4:4 ratio & getting distance between one point to another  & getting half of this value. 

Nasir Abdul Latif Bedekar
من قبل Nasir Abdul Latif Bedekar

Center to end dimension given in dimension tables for 45-degree elbow must be divided by Tan(22.5) to get the elbow radius for a standard 45-degree elbow.

syed ali hasnain naqvi
من قبل syed ali hasnain naqvi , computer operator , ziauddin university

625 x pipe size (don't use the 25.4 factor, unless you are using millimeters) should give you a ballpark for a 45 fitting.

PANCHAL KANTILAL
من قبل PANCHAL KANTILAL , Fabrication Supervisor. , al turki entreprises llc

The function of a 45° elbow is the same as a 90° elbow, but the measurement of dimensions is different to that of the 90° elbow.

The radius of a 45° elbow is the same as the radius of the 90° LR (1½D). However, the center to face dimension is not equivalent to the radius as in 90° LR elbows. This is measured from each face to the point of intersection of the center lines perpendicular to each other, distances B on the image. This is due to the smaller degree of bend. Short radius 45° elbows are not available.

Chris Sabu
من قبل Chris Sabu , Welding Inspector,QA/QC , Al fara'a Group

The center-to-center dimension for a 45-degree bend is equal to the desired size of the offset times the 45 degree cosecant i.e 1.414

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