1、 API 7-2 ,2017.API:6 2017.1,2017 2,2019 1,2020(API:1 2020.)This document has been translated by Normdocs with the permission of the American Petroleum Institute(API).This translated version shall not replace nor supersede the English language version that remains the official version for legal or li
2、ability purposes.API shall not be responsible for any errors,discrepancies or misinterpretations arising from this translation.No additional translation or reproduction may be made of the standard without the prior written consent of API.(API).,.API ,.API.API .,-.API,API,-,.API,API ,.API ,.,;,.API ,
3、-.-,.API .,API,.API ,API.,.,.,-,.API ,.,.,.:API,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.Copyright 2017 iii API -,-,.-.,.:.:,.:,.:.API,API.,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.API ,.API ,(202)682-8000.API API,200 Massachusetts Avenue,NW,Suite 1100,Washington,
4、DC 20001.,API,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001,standardsapi.org.1 .1 1.1 .1 1.2 API 2 .1 3 ,.2 3.1 .2 3.2 .5 3.3 .7 4 .7 4.1 .7 4.2 ,.8 5 .8 5.1 .8 5.2 ,.10 5.3 .14 6 .14 6.1 .14 6.2 .14 6.3 .17 6.4 .18 6.5 .20 6.6 .20 6.7 .20 7 .20 7.1 .20 7.2 .21 7.3 .23 7.4 .23 7.5 .24 7
5、.6 .24 8 .24 8.1 .24 8.2 .26 9 .32 9.1 .32 9.2 .32 9.3 .32 9.4 .37 A()API.API .38 B().42 C()USC.54 D()USC.66 E().67 F().74 G().78 H().79 I().80 J().82 K().86 L()USC.100 .114 1 ().9 2 .9 3 ().11 4 V-038R,V-050,V-040 .12 5 V-055(V-065 V-076).13 6 .15 7 .16 8 .16 9 .17 10 .18 11 ().19 12 ().19 13 .20 1
6、4 .22 15 .23 16 .24 17 .25 18 .29 19 ,.30 20 .31 21 .33 22 .35 F.1 .74 F.2 ().75 F.3 ().76 F.4 .77 F.5 ().77 F.6 ().77 J.1 (90).84 B.1 .42 B.2 .43 B.3 .44 B.4 .46 B.5 .46 B.6 .47 B.7 ,.48 B.8 .48 B.9 .49 B.10 .50 B.11 .51 B.12 .52 B.13 .53 C.1 .54 C.2 .55 C.3 USC .56 C.4 .58 C.5 .58 C.6 .59 C.7 ,.60
7、 C.8 .60 C.9 .61 C.10 .62 C.11 .63 C.12 .64 C.13 .65 D.1 USC.66 E.1 .67 E.2 .67 E.3 .72 J.1 .82 J.2 .82 K.1 .86 K.2 .88 K.3 (60).89 K.4 .92 K.5 .92 K.6 .94 K.7 ,.95 K.8 .95 K.9 .96 K.10 .98 L.1 .100 L.2 .102 L.3 (60).103 L.4 .106 L.5 .106 L.6 .108 L.7 ,.109 L.8 .109 L.9 .110 L.10 .112 API 7,.,.,.,-.
8、,.,.1 1 1.1 ,.,.,.,API 7G-2.,(NC),(REG)(FH).1.2 API (),API,API,A.2 .().API 5DP,API 7-1,ISO 13021,(GPS)ISO 10424-1,1:ISO 11961,ISO/IEC2 17025,_ 1 ,1,ch.de la Voie-Creuse,Case postale 56,CH-1211 Geneva 20,Switzerland,www.iso.org.2 ,3,rue de Varembe,P.O.Box 131,CH-1211 Geneva 20,Switzerland,www.iec.ch.
9、2 API 7-2 3,3.1 .3.1.1 (bevel diameter BD).3.1.2 (blunt start).(Higbee).3.1.3 (box connection)(box end).3.1.4 (box thread).3.1.5 (break-in),.3.1.6 (calibration system).3.1.7 (cold rolling)()(cold working),.3.1.8 (first perfect thread),.3.1.9 (full depth thread),.3.1.10 (FH)(full-hole(FH)style),V-040
10、 V-050.3 3.1.11 (gauge point),.15,875 (0,625)(),-,34,925 (1,375 ).3.1.12 Z(GOST Z style),V-040 V-050.,.3.1.13 90(H90 style)90(90-V-050).3.1.14 IF(IF style)V-038R.V-065.3.1.15 (interchange standoff):,.3.1.16 (last engaged thread),.3.1.17 (lead),.3.1.18 (length of box threads),.3.1.19 (makeup shoulder
11、),.3.1.20 (manufacturer),.3.1.21 (master gauge),.4 API 7-2 :,.3.1.22 (mating standoff)-.3.1.23 (NC)(number connection(NC)style)V-038R.,2,54 (0,1).3.1.24 (OH)(open-hole(OH)style)V-076.3.1.25 (PAC style)V-076.3.1.26 (pin connection)(pin end).3.1.27 (pin thread).3.1.28 (pitch).3.1.29 (pitch cone),.3.1.
12、30 (pitch diameter at gauge point).3.1.31 (product),.3.1.32 (reference dimension),.5 3.1.33 (REG)(regular(REG)style)V-040,V-050,V-055.3.1.34 (rotary shouldered connection),.3.1.35 SL H90(SL H90 style)90(90-V-084).3.1.36 (standoff).3.1.37 (stress-relief groove(feature),.,.3.1.38 (taper).().3.1.39 (th
13、read form).3.1.40 (thread height),.3.1.41 (tolerance).3.1.42 (Working gauges),.3.2 ,GP 6 API 7-2 DBG DCB DFG DFP -DL DLF DMP -DMR -DR -DPT DS DSRG db dbh Fc Fr fc ,fcg ,fr ,frg ,h hbg ,hcn hg LBC LBG LBT LCB LCYL LGP LPC LQc LSRG LX Lct ,Lft Lpg -Lrg -n 25,4.(1,0)p (,)7 Q -Qc R ,RFG RLF Rbg rc rr S
14、S0 S1 -S2 -T,TFP .3.3 c/bore CW ():FF FH ()GOST(-:OCT)ID IF ()LH LT NC ()OD OH ()PAC ()ref ()REG ()RH SMYS SRG 4 4.1 (),(USC).B C USC,.,USC.,8 API 7-2 ,.,.,.USC ./0,002 .D.(RH)(LH);,;,REG.4.2,:a);b);c),6,.5 5.1 5.1.1 ,1 2 B.1.1 ,B.2.,B.1 B.2,.,.,REG.5.1.2 B.1 1 2.5.1.3 .,DLF B.1 RLF 1,6 ,4 (0,063 0,
15、016),2,.,.0,79 0,12 (0,031 0,005),2.9 Lft(.2).1 ,2 3 ;.5.2 4 ,;(.3.1.2)5 (.6.3.2)6 15,875 (0,625)7 ,C 8 ,DL 9 ,DS 10 DPT(.6.3.2)11 ,LPC 12 B.1(C.1).1 ()(a)(b)c 1 ,2 0,79 (0,031)3 ,LFT 4 5 ,DL 6 ,RLF,7 ,DLF 2 10 API 7-2 5.1.4 0,05 (0,002).0,8 (32.)3,2 (125.)Ra.;.5.1.5 .7.2 5.1.6 :)0,038 25,4 (0,0015
16、)25,4 (1,0);b)0,114 (0,0045)0,0254 (0,001)25,4 (1),.7.4.5.1.7 :):+0,0025 0/(0,030 0/);b):0 0,0025/(0 0,030/).7.5.5.1.8 Qc,B.1,T,3.LQc,B.1.25 45.5.1.9 ,B.2 4 5.1,6 (63)Ra ,.R,4 0,025 (0,001);,.5.2 ,5.2.1 ,.45.11 1 ,2 ,25 45;(.3.1.2)3 0,8 (0,031)4 25-31 a 5 ,LQc+2,4/0,8 (+0,094/0,031)6 ,Qc 7 ,45 10 8 ,LBT 9 ,LBC 10 11 (.6.3.3)a 45 ,.B.1(C.1).3 ()X 12 API 7-2 1 ,2 ,Fc 3 ,rc 4 ,5 ,H 6 ,fc 7 ,fr 8 ,h 9,p 10 ,R .B.2(C.2).4 V-038R,V-050,V-040 13 1 ,2 ,Fc 3 ,rc 4 ,5 ,H 6 ,fc 7 ,fr 8 ,h 9,p 10 ,Fr 11 ,rr
