gost_8731-74

Tpynna B62M EK T O C Y IA PC T B E HH BI H C T A H IA P TTPYBBI CTAJIEHBIE BECIIOBHBIETOPAYEEOPMMPOBAHHbIETOCTTexHmeckHe Tpe6oBaHHa8731-74Seamless hot-deformed steel pipes.SpecificationsMKC23.040.100KΠ131200,131700,131900Jara BBerema 01.01.76HacTosni craHtapT pacnpocTpaHseTca Ha ropaueledopMnpoBaHHble 6ecmoBHble Tpyobl oomero Ha3Ha-eHHA H3 yrepocTon H JerpoBaHHOH CTaIH.(M3MeHeHHaa penaKuma,M3M.Ne 6).1.TEXHNYECKHE TPEBOBAHNS1.1.Pa3MepbI Tpy6 H npeneJbHble OTKIOHeHHA OJKHbI CooTBeTCTBOBaTb yka3aHHbIM B TOCT 8732 HT0CT9567.1.2.B 3aBHCHMOCTH OT noka3atrenei KaecTBa TpyobI OKHbI H3rOTOBJISTbca cnenyollHx Ipynn:A-c HopMHpoBaHHeM MexaHnyecKHx cBoHCTB,yka3aHHbIX B Ta6J1.1,H3 CTaIH MapoK CT2cn,CT4cn,Cr5cn,Cr6cn no TOCT 380;Ta6 an ua 1BpeMeHHoe conpoTHBne-Πpenen TekyyecTH o,:OTHocITebHoeMapka cramHHe pa3pbiBy c,MIaMna (KrC/MM2)ynTHeHHe 8,%(KrC/MM)He MeHeeCr2en343(35)216(22)24Cr4cn412(42)245(25)20Cr5cn490(50)27428)17Cr6cn588(60)304(31)14II p H M e y a HH e.To cornacoBaHMIO H3rOTOBMTeJs c noTpe6mreneM H3roraBIMBaOT Tpy6bI M3 cTaH MapKHCr3cn.5-c HopMHpoBaHHeM XHMHeckoro cocTaBa H3 cnoKoiHoi cTaH Mapok no TOCT 380,TOCT 1050,T0CT4543HT0CT19281;B-c HopMHpOBaHHeM MexaHnuecKHx CBOHCTB,yKa3aHHbIX B Ta6JI.2,H XHMHecKoro cocTaBa H3 CTaIHMapok no TOCT 1050,TOCT 4543,TOCT 19281 n TOCT 380;