CAMBKIA STEEL. 



395 



(b) The test specimen for pins and rollers shall bend cold through 

 180 deg. around a 1-in. pin without fracture on the outside of the bent portion. 



(c) A rivet rod shall bend cold through 180 deg. flat on itself without 

 fracture on the outside of the bent portion. 



(d) Bend tests may be made by pressure or by blows. 



Test Specimens. 



12. (a) Tension and bend test specimens shall be taken from the finished 

 rolled or forged product, and shall not be annealed or otherwise treated, except 

 as specified in section 13. 



(b) Tension and bend test specimens for plates, shapes and bars, 

 except as specified in paragraph (c), shall be of the full thickness of material 

 as rolled, and with both edges milled to the form and dimensions shown in 

 Fig. 1, or may have both edges parallel. 



j< 8- -*j 



-- ABOUT 18-. 



FIG. 1. 



(c) Tension and bend test specimens for plates and bars (except eye-bar 

 flats) over 1 J^ in. in thickness or diameter may be turned or planed to a diameter 

 or thickness of at least % in. for a length of at least 9 in. 



(d) Tension and bend test specimens for pins and rollers shall be taken 

 parallel to the axis, 1 in. from the surface of the bar. Tension test specimens 

 shall be of the form and dimensions shown in Fig. 2. Bend test specimens 

 shall be 1 in. by y% in. in section. 





FIG. 2. 

 (e) Rivet bars shall be tested in full-size section as rolled. 



