gost_14637-89

Tpynna B23M E XK T O C y IA P C T B E HH bI HCT A H I A P TIPOKAT TOJICTOJINCTOBON N3 yTJIEPOINCTONCTAJIN OBBIKHOBEHHOTO KAYECTBATexHHyecKHe ycnoBnaTOCT14637-89Rolled plate from carbon steel of general quality.Specifications(MC04995-78)MKC77.140.500KΠ097100Hara BBeaemHa 01.01.91HacToaumi cTaHnapr pacnpocrpaHserca Ha ToJcToJcToBoi ropayekaTaHbli npokar n3 yrepo-IHCTOH cTaJH OObIKHOBeHHorO KayecTBa,H3rOTOBJIAeMbIi IpHHoH 500 MM H ooJee,TOMHOH OT 4 IO160 MM BKJIOYHTeJIbHO.1.OCHOBHbIE IIAPAMETPbI1.1.IIpokaT H3rOTOBISIOT B BHe JIHCTOB H pynoHoB H3 CTaIH MapoK CTO,Cr2kn,Cr2nc,CT2cn,Cr3kn,Cr3nc,Cr3cn,Cr3Tnc,CT3Tcn,Cr4nc,Cr4cn,Cr5nc,Cr5cn,Cr5Tnc no TOCT 380.1.2.B 3aBHCHMOCTH OT HopMHpyeMbIx xapakTepHcTHK npokar noupa3neJoT Ha KareropHn:1,2,3,4,5,6.Is 0603HayeHna KaTeropHn K 0603HaueHHo MapKn no6aBJIOT HOMep KaTeropnn,HanpnMep:Cr3ncl,Cr4cn3.KaTeropmo npokata noTpeonrenb yka3bIBaeT B 3aka3e.IIpH OTCyTCTBHH yKa3aHna KaTeropHo BbIOH-paeT npeanpHaTHe-H3roToBHTeJb.1.3.IIpokaT H3rOTOBISIOT TOMIIMHOH:4-160MM一HCTbI;4-12MM一pyJOHbIB uacTH OCTaIbHbIX Tpe6oBaHHi K copraMeHTy npokaT oJkeH CooTBeTCTBOBaTb TOCT 19903.1.4.IIpHMepbl yCJoBHbIX 0603HateHni npHBeneHbI B npwoxeHMn.2.TEXHMYECKME TPEBOBAHMA2.1.X ap ak Tep ncTnKH2.1.1.IIpokaT H3rOTOBJISIOT H3 CTaIH C XHMHYeCKHM COCTaBOM,CooTBeTCTByIOIIHM TOCT 380.IIpeneJbHble OTKJIOHeHHA nO XHMHecKoMy cocTaBy B rOTOBOM npokaTe OT IaBoHoro aHaJIn3aKoBIⅢOBoiΠpo6 I He OJKHbI npeBbllⅢaTb onyckaeMble TOCT38O.2.1.2.IIa npokara TOJIHoi o 10 MM BKJTIOUHTeJIbHO H3 CTaJIH Mapok Cr3Kn,CT3nc,Cr3cnonyckaeTca CHIKeHHe HIXKHero npenena MaccoBon OJIH OHorO H3 9JeMeHTOB yrnepona Ha0.04 aoc..MapraHua-Ha 0.1 aoc.npn ooecneyeHnn MexaHnyecKnx cBoHCTB.ycTaHoBneHHbIX mIAyKa3aHHbIX MapoK CTaH.To TpeooBaHHo noTpeontena MaccoBa oJa KHCJOTopacTBopHMoro aoMHHHA B npokate kaTero-pHH 2 TOJIINHOH O 5 MM H3 CTaJIH MapKn CT3cn,packncneHHoH aIOMHHHeM,IOJDKHa ObITb He MeHee0.02%.MaccoBas ona kpeMHna B npokaTe KaTeropHi 2-6 TOJIIIHHo o 8 MM BKJOYHTeJbHO,H3rOTOB-JeHHOM H3 CTaJIH MapoK CT2nc H CT3nc,packncJeHHOH He conepxaIHMH KpeMHH pacKHCJITeJAMH,onyckaeTca MeHee 0,05 npH coomoneHHH OCTabHbIX HopM H TpeooBaHnH K npokaTy.(M3MeHeHHaa penakuma,M3M.Ne 1).2.1.3.Io Tpe6oBaHmIo noTpe6nrea MaccoBaa nona cepbl B npokaTe Kareropni 1-5 H3 CTaIn BcexMapok,Kpome CrO,He IOKHa npeBblaTb 0,040 %ocoopa -0,030 %B npokaTe kaTeropHn 6MaccoBas Aos Kaxoro H3 3THX 3eMeHTOB He OJKHa npeBblaTb 0,025 %2.1.4.B npokate,npeHa3HayeHHOM I CBapHbIX KOHCTpykuni,MaccoBas nos yrnepona He oJ-Ha npeBblⅢaTb0,22%.2.1.5.KaTeropHn npokara B 3aBHCHMOCTH OT HopMHpyeMblx xapakTepHCTHK npHBeneHbI B TaoJ.1.