H9 бар титана / стержни

h9 titanium bar/rods 1.Grade: Gr1,Gr2,Gr3,Gr4,Gr5,Ti6Al4VELI,Gr7,Gr9,Gr11,Gr12,Gr23,Ti6Al7Nb, Ti15333 2.Processing: Hotforging,Hotrectifying,Hotrolling,Grinding 3.Standard: ASTMB348,ASTMF67,ASTMF136,ISO5832/2,ISO5832/3,ISO5832/11, AMS4928,MIL4911 4.Size: (High-Accuracy)Dia3.0-20mmxLength3000mm,h9-h7 (Normal)Dia6.0-200mmxLength1000-6000mm referencestandard 1.GB228metaltensiletestmethod2GB/T3620.1gradesoftitaniumandtitaniumalloyandchemicalcomposition 2.GB/T3620.2chemicalcompositionoftitaniumandtitaniumalloyproductsandalsoallowedcomponentderivation 3.GB4698chemicalanalysismethodtotitaniumsponge,titaniumandtitanium 1.ThechemicalcompositionoftitaniumandtitaniumalloyrodsshallbemeetrequirementswithGB/T3620.1,thechemicalcompositionofthealloweddeviationshouldbeinaccordancewithGB/T3620.2requirements,byreinspectingofdemand-side. 2.DiameterorsidelengthsandthealloweddeviationofhotrodsshouldbeinaccordancewiththerequirementsofTable1. 3.TheDiameteroftherodsafterthermalprocessingandbeenprocessedwithlathing,(grinding)andcold-rolling,itsdeviationshouldbeallowedtotableII. 4.Thenon-roundnessoftherodsafterthermalprocessing(grinding)shouldbelessthanthehalfofitsdimensiontolerance. 5.ForprocessingtheTirodsofnonfixedlength,thelength300 6000mm,Lengthatannealingstate300 2000mm,thelengthofConstantLengthordoublelengthshouldundertherangofthenon-fixeddimension.Thealloweddeviationoffixedlengthis+20mm;thedoublelengthshouldalsobeincludedinthevolumeofincisionrods,peramountofincisionis5mm.thefixedlengthordoublelengthshouldbespecifiedinthecontract. TableI Diameterorsidelength 8 15 >15 20 >20 35 >35 50 >50 80 >80 125 >125 150 >150 200 Hotforgingbars ±1.0 ±1.5 ±2.0 ±2.5 ±3.0 ±3.5 ±5.0 ±6.5 Hotsqueezebar +0.8,-0.7 +0.8,-1.0 ±2.0 ±2.5 ±2.5 ---- ----- ---- Hot-rolledbar +0.6,-0.5 +0.7,-0.5 +1.2,-0.5 +1.5,-1.0 +2.0,-1.0 +2.2,-1.2 ------ -----