gost_3845-75_gidravlicheskie_ispitaniya

Tpynna B69M E K T O C y IA P C T B E HH bICTAHIAPTs235.ruTPYBbI METAJIJINYECKHETOCT3845-75MeTo HCnbITaHHa rHapaBmrecKHM aBJeHneMMetallic tubes.Hydraulic pressureB3ameHtesting methodT0CT3845-65OKCTy 1909TocTaHoBJeHHeM TocytapeTBemoro KoMHTera cramtapToB CoBera MHHHeTpoB CCCP OT 30.12.75 Ne 4102aTa BBeaeHna ycTaHoBeHa01.01.77OrpanneHHe cpoka aeiicTBHa cHsro no npoToKoy Ne 7-95 MexkrocyaapcTBeHHoro CoBeTa no cTantapTn3aIn,MeTpOIOrHH H cepTHOHKaIHH (HyC 11-95)HacToaumi cTaHapT pacnpocrpaHserca Ha Tpy6bI H3 cTa,uyTyHa,uBeTHbIx MeTaoB H ycra-HaBIHBaeT MeTo HcnbITaHHA HX BHyTpeHHHM rHIpaBJIHyeCKHM HaBJeHHeM Ig npoBepKn npoHOCTH HIIOTHOCTH OCHOBHOTO MeTalJla Tpyo H CBapHbIX IIIBOB.CTaHapT nIOJHOCTblo CooTBeTCTByeT CT C3B 480-77 B uaCTH HcnbITaHHa mapaBJnyeCKHM aBJe-HHeM.(M3MeHeHHaa penaKuma,M3M.Ne 1).1.OBOPYIOBAHNE H AIIIIAPATYPATHpaBuecKni npecc Jo6o KOHCTpyKIHH,o6ecneBaiolni HcnbITaHHe B COOTBeTCTBHH CTpe6oBaHHAMH Hacrosmero cTaHapra.MaHoMeTpbI 1-ro KJacca TOHOCTH -I KOHTpoJa npooHoro aBneHna npH HcnbITaHHH oco6o-TOHKOCTCHHbIN TPy6(元≤0，O1pHD≤102MM):MaHOMCTPbI He HHKe Kacca TOHHOCTH2,5-pHHCIbITaHHH OCTaJIbHbIX Tpy6.2.HIOTOTOBKA N IIPOBEEHNE NCHIbITAHNA2.1.Han6oburyo BeJHHy npo6Horo nareHna paccunTbIBaloT no opMynaM,npHBeneHHbIM HIKe.2.1.1.Han6oJbmee npo6Hoe naBeHne a kpyrbIx MOHOMeTanuecKnx 6ecioBHbIx Tpy6 aMeT-poM o 550 MM H CBapHbIx Tpy6 IHaMeTpoM o 480 MM BKJTOYHTEJIbHo (P),MIla (Krc/CM2),H (P),MIa(KTC/CM2),BbIHCJISOTΠO中opMyJaM:200sRP1=Dp(1)2sRP1=D。P,=265号-)R:(2)P=265（-R,Hsdanue c HawenenuaMu N 1,2,ymeepxcdenmbLMu 6 anpeae 1980 2.,okmabpe 1986 2.(HyC 5-80,1-87).