gost19521-74新版标准规范

TOCYIAPCTBEHHbIN CTAHIAPT CONO3A CCPCBAPKA METAJIJIOBKJIACCHΦKAMA牙T0CT19521-74TOCYIAPCTBEHHLIN KOMITET CCCP IIO CTAHIAPTAMMocKBaTOCyIAPCTBEHHbIN CTAHIAPT COIO3A CCPCBAPKA METAJIJIOBTOCTKnaccn中KAIHS19521-74Welding of metals ClassificationTocraHoweHHeM TocyaapeTBeHHoro KoMHTera cTaHaapToBCoBeraMHHHCTPOBCCCP oT 18 oeBpaua 1974 r.Ne 445 cpok eiicrBua yeraHoBnec01.01.1975r4001.01.1980r1.HacTosui cTaHnapT ycraHaBJnBaer Kaccnonkaumo cBapkn MeraoB noOCHOBHbIM OH3HqeCKHM.TeXHHqeCKHM H TeXHOJOrHyeCKHM npH3HakaM.2.OCHOBHbIe npH3HaKH H cTyneHH KnaccHoHkaun npuBeneHbI B Taon.1.Ta6nnua 1HaHmeHoBaHHe「pynna npw3 HaKOBHaHMeHoBaHne npn3HaKoBcTyneHeiKnaccH中HKaLHHΦH3 yecKHeDopMa HeprHH,Hcnob3yemoii oopa3oBaHns cBapHoroKnacccoemHeHHaBHI HCTOUHHKa SHeprn,HenocpencTBeHHo HcnoJ3yemoroBuaoopa3oBaHHs CBapHoro coenHHeHHTexHnueckHeCnoco6 3auTl MeTauia B 30He cBapKHHenpepbIBHOCT cBapknCTeneHb MexaHn3auH cBapKHycTaHoIeHbI Kaxknoro BHna cBapKH oTaeJbHO3 Knaccn中KaIHs CBapKH nO中3HqeCKHM npn3Hakam npuBeneHa Bòaaě.2Ta6nuua 2Knacc cBapknBHa cBapKHTepmnyeckniyroBas3ekrpouakoBasDnekrpoHHo-yueBas