北京北方恒瑞焊接材料有限公司

VDM®Alloy31isaniron-nickel-chromium-molybdenumalloywiththeadditionofnitrogen.ThealloydevelopedbyVDM
Metalsclosesthegapbetweenhighalloyedausteniticspecialstainlesssteelsandnickelalloys.VDM®Alloy31has
provenitselftobesuitableparticularlyinthechemicalandpetrochemicalindustries,inoredigestionplants,inenvironmental
andmarineengineeringaswellasinoilandgasextraction.
VDM®Alloy31ischaracterizedby:
Outstandingcorrosionresistanceinalkalineandacidichalide-containingmedia
Excellentresistancetosulfuricacid,eveninhighlyconcentratedform
Excellentresistancetocorrosionanderosioninphosphoricacidmedia
Outstandingresistancetosurfacecorrosionandlocalcorrosioninchlorinedioxidebleachingplantsinpaper
production
Excellentresistanceinreducingandoxidizingmediaaswellasinboilingazeotropicnitricacid
Goodworkabilityandweldability
VdTüV-certificationforpressurevesselswithoperatingtemperaturesfrom-196to550°C(-320.8to1,022°F)
Certificationaccordingto15156/NACEMR0175uptolevelVIforacidgasapplicationsintheoilandgas
industry
ASMEapprovalforpressurevesselsupto800°F(427°C)
ThematerialisincludedinthelistoftheGermanFederalInstituteforMaterialsResearchandTesting(BAM)for
transportandstoragecontainersforhazardousgoods.
Designationsandstandards
StandardMaterialdesignation
D1.4562-X1NiCrMoCu32-28-7
NACEMR0175/15156:2003
UNSN08031
ProductformVdTüVASTMASMESEWOthers
Sheet,plate509B625SB625400
Strip509B625SB625400API5LD
Rod,bar509B581
B649
SB581
SB649
400
WireB649
B564
SB649400