1、 ( ) . , , . - , , , , - , , , , - , , , . , - , , , . , , , - . , . , , , . . ; , - , , , , . , , - . , . . , , . , . 718 (UNS N07718) , ( 6), . , 718 6A 10423. : , “ , . : , “ , , , . , , - , , , , , . , . , . , , , , , 1220 L , NW, , DC 20005. , , . , , , , . . , (202) 682-8000. , 1220 L , NW, ,
2、DC 20005. , , , 1220 L , NW, , DC 20005, standardsapi.org. 1 .7 1.1 .7 1.2 7 2 7 3 , , .2 3.1 8 3.2 8 4 718 (UNS N07718)9 4.1 .9 4.2 .11 5 15 6 16 () 71817 1 13 2 V- (10 10 ).14 3 .15 1 2 100x 500x 17 3 4 100x 500x 18 5 6 - 100x 500x 19 7 8 - 100x 500x 20 9 10 - - 100x 500x 21 11 12 - - 100x 500x 22
3、 13 14 - - - 100x 500x 23 15 16 - - 100x 500x 24 17 - 100x 500x 25 718 (UNS N07718) 1 1.1 718 (UNS N07718), A 6A 10423. . , 718, , , 6A 10423, - . 1.2 , , 6A 10423, 6A 10423. , . 2 , . . , , , . . . API Specification 6A, ASTM A3701, ASTM A604, ASTM B880, , ASTM E10, ASTM E18, ASTM E112, ASTM E354, ,
4、 , ASTM E1181, ASTM E1473, , , 6A718 104232, 3 , , 3.1 . 3.1.1 , , , . 3.1.2 - 718. - , , Ni3Nb. 3.1.3 , , , , . 3.2 . _ 1 , 100 , , 19428-2959. www.astm.org. 2 , 1, 56, CH-1211 20, . www.iso.org. - - 4 718 (UNS N07718) 4.1 4.1.1 4.1.1.1 UNS N07718, . Ni Cr FeaCb (Nb) + Mo Ti Al Co Mn 50.0 17.0 4.87
5、 2.80 0.80 0.40 55.0 21.0 bal. 5.20 3.30 1.15 0.60 0.045 1.00 0.35 Si P S Cu Pb Se Bi CabMgb 0.35 0.010 0.010 0.0060 (60 ppm) 0.23 0.0010 (10 ppm)0.0005 (5 ppm)0.00005 (0.5 ppm) 0.0030 (30 ppm)0.0060 (60 ppm) a . b, . 4.1.1.2 - ASTM E354, ASTM E1473 . 4.1.1.3 () (), , (), B880. 4.1.2 4.1.2.1 . a) 1 (). 2 () - (). 3 - (). 4 . : b) 1 (). 2 () - (). 3 . 4.1.3 4:1. 4.1.4 4.1.4.1 6A . , , . 6A , 6A . 4.1.4.2 , 6A 10423. , , , . , , . 4.1.4.3 ,
