gost-20295-85

yK669.14-462.2:621.791:006.354Ipynna B62M E K I O C y A P C T B E HH bI HCTAHIA PTTPYBbI CTAIbHbIE CBAPHbIEI MATHCTPAJIbHbIX TA3OHETEIIPOBOJOBTOCT20295-85TexHnecKHe ycoBHaBsameHSteel welded pipes for main gas-and-oil pipelines.SpecificationsT0CT20295-74MKC23.040.100KΠ138101TIocTaHoweHneM TocyaaperBeHHoro KoMTeTa CCCP no craHnapram or 25 Hoaopa 1985 r.Ne 3693 nara BBeaeHHAyCTaHomneHa01.01.87OrpaHremme cpoka aeicrana cHaro IIocraHomeHmeM ToccraHuapra or 14.08.91 Ne 1353HacTosunit cTaHnapT pacnpocTpaHseTcs Ha cTanbHble cBapHbre npMOLOBHbIe K cIHpabHOLOBHbIeTpy6bI IHaMeTpOM 159-820 MM,nPHMCHgeMbIe Ig coopyeHHs MarncTpaJIbHbIX ra3oHedTenpoBOnOB,HecTenpolyKTonpoBOOB,TexHOJOrHqeCKHX H IIPOMbICJOBEIX TpyoonpoBOlOB1.OCHOBHbIE IIAPAMETPbI H PA3MEPbI1.⊥.Tpy6H3 TOTOBI分OT Tpex THIIOB:1-npsMOIIOBHbIe IHaMeTpoM 159-426 MM,H3TOTOBJTEHHbIe KOHTaKTHOH CBapkon TOKaMH BbICOKOMaCTOTbI;2-cmpaTbHOIOBHbIe IHaMeTpoM 159-820 MM,H3rOTOBJIeHHbIe 9eKTpOmyToBoH cBapKo;3-nPsMOIOBHbIe mHaMeTpoM 530-820 MM,H3rOTOBTeHHbIe 3JeKTpoIyroBoM CBapkon.1.2.B 3aBHCHMOCTH OT MexaHHyecKHx CBOHCTB Tpy6bI H3TOTOBJISIOT KIaCCoB IIPOYHOCTH:K 34,K 38,K42,K50,K52,K55,K60.1.3.Pa3Mepbr Tpy6 IOKHbI COOTBeTCTBOBaTb npHBeleHHbIM B TaOJI.1.1.4.Tpy6bI H3rOTOBJISIOT UIHHOH OT 10,6 IO 11,6 M.Ho 1 HBaps 1989 r.omyckaeTCs H3rOTOBJISTb IO15%(no Macce)Tpy6 THna 3 (ropayenpaBeHHbIx)H IO 3%(no Macce)Tpy6 THna 1 IHoH He MeHee5 M.IIs Tpy6 THIOB 1,2 H 9KcnaHpoBaHHbIx THna 3 HonyckaeTCs H3rOTOBIISTTb O 10%(no Macce)Tpy6IIHHOH He MeHee 8 M.M3 name o中HabHoeΠepene纠arka BocnpemeHaHepeusdame.Aeapb 2003 2.M3areJbcTBo cTaHnapToB,1985e MIIK M3narebCTBo cTaHnapToB,2003