UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: June 12, 2012 9:00 A.M.
Form: S-4
CIK: 0000018172
Company Name: CASTLE A M & CO
File Number: 333-180662
CIK: 0001545604
Company Name: Tube Supply, LLC
File Number: 333-180662-08
CIK: 0001545602
Company Name: Advanced Fabricating Technology, LLC
File Number: 333-180662-07
CIK: 0001545607
Company Name: Keystone Tube Company, LLC
File Number: 333-180662-06
CIK: 0001545606
Company Name: Oliver Steel Plate Co.
File Number: 333-180662-05
CIK: 0001545611
Company Name: Paramont Machine Company, LLC
File Number: 333-180662-04
CIK: 0001545603
Company Name: Total Plastics, Inc.
File Number: 333-180662-03
CIK: 0001545605
Company Name: Transtar Inventory Corp.
File Number: 333-180662-02
CIK: 0001545685
Company Name: Transtar Metals Corp.
File Number: 333-180662-01