ASTM : D 3364 - 99 1 D 3364; , , , , - . . (e) , .1. 1.1 D 1238, () , .1.2 , . , . 1 - ISO.2. , :2.1 ASTM:D 883 , 2D 1238 2D 3835 3E 177 ASTM 4E 691 , 43. 3.1 - , , D 883.3.2 , :3.2.1 D 3835, 5.1, 5.2, 5.3.3.2.2 ; , , . 1 - , :() ( )1-N = ( ), 4Q/pR3, N .-_1 ASTM D20 D20.30 ( D20.30.08). 10 1999 . 1999 . D 3364-74. D 3364-94.2 ASTM, 08.01.3 ASTM, 08.02.4 ASTM, 14.02. Q /, R , , , , N. , , . N 0.1 0.33.3.2.3 , , /, ( . 1) 20 , 175C.4. 4.1 :4.1.1 , , , :175oC (347oF) 20 000 2758 (400 psi)2.15 + 0.05 120o4.2 :4.2.1 ( 190oC) , , , , .4.2.2 , . 50 ,
