Document o9be3j0qgO3YDBGnOvJge6wOw

PLAINTIFF'S EXHIBIT FOAM P927 0.2 TECHNICAL SPECIFICATIONS CERTAIN-TEED PRODUCTS CORPORATION ASBESTOS CEMENT PIPE NUMBER: . 532 SUPERSEDES: Sept. 20, 1966 PAGE 1 DATE or ISSUE: March 22, 1967 APPLICABLE TO: Plants 56, 57, 58, 59, and 60 CLASSIFICATION: Purchasing Specification DESCRIPTION: Steel wMan,drels GENERAL This specification has been devised to define the steel mandrel requirements for use in the Mazza type manufacture of asbestos-cement pipe. MATERIAL Type A - Cold drawn, seamless mechanical steel tubing, maximum carbon content 0.2%, unannealed, chamfered ends. Type B - Centrifugally cast 1025 carbon steel tubing, normalized and tempered, O.D. (outside diameter) machined to 125 micro finish, I.D. (inside diameter) as cast, ends faced and radiused. Finish per ASA B U6.1. Pulling Ring - Flat bar stock, 10l;0 or 10U5 carbon steel. Pulling Bar - Round bar stock, 1010 min. Carbon steel or 1025 carbon steel. STRAIGHTNESS Maximum curvature per foot not to exceed +0.010" in sizes up to 5" and +0.015" in sizes over 5", tubing only. Cast steel mandrels shall have a T.I.R. (Total Indicator Reading) not to exceed 0.050" at center. MARKING The pulling ring of each mandrel 7-51" and larger shall be identified with the nominal outside mandrel diameter applied as follows. Use small stainless steel manual electrode to provide numbers at least 3/k" high, raised approximately 1/8", and completed in a neat, legible manner. Mandrels below 7.50" having smaller pulling rings are to be identified as above except numbers shall be reduced in size according to the pulling ring "I" dimension. i j I ] PREP*AARnEtOD BYY; / APPROVED BY: CTD012692 j