396 CAMBRIA STEEL. 



Annealed Specimens. 



13. Test specimens for material which is to be annealed or otherwise treated 

 before use shall be cut from properly annealed or similarly treated short lengths 

 of the full section of the piece. 



Number of Tests. 



14. (a) At least one tension test and one bend test shall be made from each 

 melt. If material from one melt differs 3 /i in. or more in thickness, tests shall 

 be made from both the thickest and the thinnest material rolled. 



(b) If any test specimen develops flaws, or if an 8-in. tension test 

 specimen breaks outside the middle third of the gage length, or if a 2-in. ten- 

 sion test specimen breaks outside the gage length, it may be discarded and 

 another specimen substituted therefor. 



(c) Material intended for fillers or ornamental purposes will not be 

 subject to test. 



IV. PERMISSIBLE VARIATIONS IN WEIGHT AND GAGE. 

 Permissible Variations. 



15. (a) The sectional area or weight of each structural shape and of each 

 rolled-edge plate up to and including 36 inches in width shall not vary more 

 than 2.5 per cent, from theoretical or specified amounts. 



(b) The thickness cr weight of each universal plate over 36 in. in 

 width, and of each sheared plate, shall conform to the schedules of permissible 

 variations for sheared plates, Manufacturers' Standard Practice, appended to 

 these specifications. 



(c) The weights of angles, tees, zees and channels of bar sizes, and the 

 dimensions of rounds, squares, hexagons and flats, shall conform to the Manu- 

 facturers' Standard Practice governing the allowable variations in size and 

 weight of hot-rolled bars. 



V. FINISH. 

 Finish. 



16. The finished material shall be free from injurious defects and shall 

 have a workmanlike finish. 



VI. MARKING. 

 Marking 



17. The name of the manufacturer and the melt number shall be legibly 

 marked, stamped or rolled upon all finished material, except that each pin 

 and roller shall be stamped on the end. Rivet and lattice steel and other 

 small pieces may be shipped in securely fastened bundles, with the above 

 marks legibly stamped on attached metal tags. Test specimens shall have 

 their melt numbers plainly marked or stamped. 



VII. INSPECTION AND REJECTION. 

 Inspection. 



18. The inspector representing the purchaser shall have free entry, at all 

 times while work on the contract of the purchaser is being performed, to all 

 parts of the manufacturer's works which concern the manufacture of the 



