|
gptkbp:instanceOf
|
gptkb:steel
|
|
gptkbp:carbonContent
|
0.78-0.88%
|
|
gptkbp:chromiumContent
|
3.75-4.50%
|
|
gptkbp:color
|
red (AISI system)
|
|
gptkbp:containsElement
|
carbon
iron
manganese
silicon
molybdenum
tungsten
vanadium
chromium
|
|
gptkbp:density
|
8.16 g/cm³
|
|
gptkbp:developedBy
|
early 20th century
|
|
gptkbp:DINStandard
|
gptkb:DIN_1.3343
|
|
gptkbp:hardness
|
62-65 HRC (after heat treatment)
|
|
gptkbp:hasRedHardness
|
high
|
|
gptkbp:hasWearResistance
|
high
|
|
gptkbp:heatTreatment
|
quenching and tempering
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
M2 steel
|
|
gptkbp:ISOStandard
|
gptkb:ISO_4957
|
|
gptkbp:JISStandard
|
gptkb:SKH51
|
|
gptkbp:manganeseContent
|
0.15-0.40%
|
|
gptkbp:meltingPoint
|
1420°C
|
|
gptkbp:molybdenumContent
|
4.50-5.50%
|
|
gptkbp:nickelContent
|
≤0.30%
|
|
gptkbp:phosphorusContent
|
≤0.03%
|
|
gptkbp:quenchingMedium
|
oil or salt bath
|
|
gptkbp:replacedBy
|
T1 steel (in many applications)
|
|
gptkbp:siliconContent
|
0.20-0.45%
|
|
gptkbp:standardizedBy
|
gptkb:AISI
gptkb:ASTM
DIN
|
|
gptkbp:sulfurContent
|
≤0.03%
|
|
gptkbp:temperingTemperature
|
540-560°C
|
|
gptkbp:toughness
|
high
|
|
gptkbp:tungstenContent
|
5.50-6.75%
|
|
gptkbp:UNNumber
|
T11302
|
|
gptkbp:usedFor
|
knives
cutting tools
punches
saws
dies
drill bits
end mills
taps
reamers
|
|
gptkbp:vanadiumContent
|
1.75-2.20%
|
|
gptkbp:bfsParent
|
gptkb:Crucible_Industries
|
|
gptkbp:bfsLayer
|
7
|