|
gptkbp:instanceOf
|
gptkb:steel
|
|
gptkbp:alsoKnownAs
|
M390
|
|
gptkbp:carbonContent
|
1.9% (approximate)
|
|
gptkbp:chromiumContent
|
20% (approximate)
|
|
gptkbp:containsElement
|
carbon
manganese
silicon
molybdenum
tungsten
vanadium
chromium
|
|
gptkbp:contrastsWith
|
gptkb:CPM_20CV
gptkb:CTS-204P
|
|
gptkbp:countryOfOrigin
|
gptkb:Austria
|
|
gptkbp:edgeRetention
|
excellent
|
|
gptkbp:feature
|
high corrosion resistance
good edge retention
high hardness
high wear resistance
fine carbide structure
|
|
gptkbp:grindability
|
moderate
|
|
gptkbp:hardness
|
60-62 HRC
|
|
gptkbp:heatTreatmentRequired
|
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Bohler M390
|
|
gptkbp:introducedIn
|
1990s
|
|
gptkbp:ISOStandard
|
gptkb:ISO_4957
|
|
gptkbp:manufacturer
|
gptkb:Böhler-Uddeholm
|
|
gptkbp:marketedAs
|
premium knife steel
|
|
gptkbp:molybdenumContent
|
1% (approximate)
|
|
gptkbp:primaryUse
|
surgical instruments
cutting tools
knife blades
|
|
gptkbp:productionMethod
|
powder metallurgy
|
|
gptkbp:resistantTo
|
staining
pitting
chipping
|
|
gptkbp:sharpeningDifficulty
|
moderate to high
|
|
gptkbp:toughness
|
moderate
|
|
gptkbp:type
|
martensitic stainless steel
|
|
gptkbp:UNNumber
|
S390 Microclean
|
|
gptkbp:usedBy
|
custom knife makers
production knife companies
|
|
gptkbp:vanadiumContent
|
4% (approximate)
|
|
gptkbp:weldability
|
poor
|
|
gptkbp:bfsParent
|
gptkb:CPM_20CV
|
|
gptkbp:bfsLayer
|
8
|