Ridgway Powdered Metals

Custom Powdered Metals Provider

6931 Ridgway-St. Marys Road
Ridgway, PA 15853
Phone: (814) 772-5551
Fax: (814) 772-1492
sales@ridgwaypm.com

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Tolerances for Powdered Metal -
Ridgway Powdered Metals

Typical Powdered Metal Tolerances for Ferrous Powdered Metal Parts of Uniform Cross Section:

	As Sintered		Coined or Sized
Characteristic	Practical	Possible	Practical	Possible
Length	+/- 0.005	+/- 0.003	+/- 0.004	+/- 0.003
Inside Diameter	+/- 0.002	+/- 0.001	+/- 0.001	+/- 0.0005
Outside Diameter	+/- 0.002	+/- 0.001	+/- 0.001	+/- 0.0005
Concentricity (TIR)	0.003	0.002	0.002	0.0015
Flatness	+/- 0.002	+/- 0.001	+/- 0.001	+/- 0.001
Parallelism	+/- 0.0015	+/- 0.001	+/- 0.001	+/- 0.001

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