_RP_5LW
2009
_2015_rus
API 5LW ,2009,2015 (API).-,-.API ,-.-API-The present standard has been translated by PAO“TMK”with permission from The American Petroleum Institute(API).The translated version does not substitute or cancel the English version which is an official version.API decline all responsibility for any mistakes,incon-sistencies and incorrect interpretations that are caused by this translation.It is forbidden to make another translated version or reproduce the standard without the prior writ-ten consent of API.ii API .-,.API,API ,-,.API,API ,-.,-,.-,-.-,.-,-.API .,;,-,-.API ,.-,-,.-API .,-API,-.API -API.,.-:API,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.2009 iii ,API,-,.,-API .,:,-,.:,-,.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,DC 20001.,API,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001,standardsapi.org.v 1 .1 2,1 3 .1 3.1 .1 3.2 .1 3.3-.1 3.4 .2 3.5 .2 3.6 2 3.7.3 4 .3.5 1.cantline().3vi ,.API .-,.,.-,.,.,:a),-.b),.c)-.-,/,-.,-,.API-.,-,.1 1 -API 5L ,.-,.,.,.-,(OD)2 .,.(),-.-,()-.2 ,D GMAW OD SAW t 3 3.1 ,-,.3.2 ,.1 ().,.3.3 -,-(,).-,.-,.,.2 API 5LW 3.4 3.4.1 ,().cantline(-).cantline()(-,),(),1.,-,-.cantline(-),.-,.,(SAW-GMAW-),-,.-(-),(SAW GMAW),45 5 .(),(SAW GMAW),0(,12).3.4.2 ,.-,.-,.-.3.5 12.-.,.-,4,4.,-.-.,().3.6 -,-.3 1-Cantline 3.7 3.7.1 -.3.7.2 .,-,.3.7.3 ,-/,-.4.,-12,5,70 1.,:,;.,-,.-,-.,-.-.-.,-,.4 API 5LW ,D/t 50 ,.,-.,.),.b),-.-,-.),.5 1.,-,1988,.31-34.200 Massachusetts Avenue,NWSuite 1100Washington,DC 20001-5571 USA 202-682-8000 :www.api.org/pubs :1-800-854-7179()303-397-7956():303-397-2740 ,API :www.api.org.No.G0Q109R