|
gptkbp:instanceOf
|
gptkb:aluminum_alloy
|
|
gptkbp:alsoKnownAs
|
Alloy 4340
|
|
gptkbp:application
|
bolts
aerospace components
landing gear
shafts
high-strength parts
|
|
gptkbp:carbonContent
|
0.38-0.43%
|
|
gptkbp:chromiumContent
|
0.70-0.90%
|
|
gptkbp:component
|
gptkb:phosphorus
gptkb:sulfur
carbon
iron
nickel
manganese
silicon
molybdenum
chromium
|
|
gptkbp:corrosionResistance
|
moderate
|
|
gptkbp:countryOfOperation
|
gptkb:United_States
|
|
gptkbp:density
|
7.85 g/cm³
|
|
gptkbp:form
|
gptkb:bar
tubing
forging
|
|
gptkbp:hardness
|
up to 53 HRC
|
|
gptkbp:heatTreatment
|
quenched and tempered
|
|
gptkbp:machinability
|
good
|
|
gptkbp:magnetType
|
yes
|
|
gptkbp:manganeseContent
|
0.60-0.80%
|
|
gptkbp:material
|
low alloy steel
|
|
gptkbp:meltingPoint
|
1427-1515°C
|
|
gptkbp:molybdenumContent
|
0.20-0.30%
|
|
gptkbp:nickelContent
|
1.65-2.00%
|
|
gptkbp:phosphorusContent
|
max 0.025%
|
|
gptkbp:siliconContent
|
0.15-0.30%
|
|
gptkbp:standardizedBy
|
Aerospace Material Specification
|
|
gptkbp:sulfurContent
|
max 0.025%
|
|
gptkbp:tensileStrength
|
minimum 180 ksi
|
|
gptkbp:UNNumber
|
G43400
|
|
gptkbp:usedBy
|
gptkb:aerospace_industry
|
|
gptkbp:weldability
|
gptkb:fire
|
|
gptkbp:bfsParent
|
gptkb:M50_steel
|
|
gptkbp:bfsLayer
|
8
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
AMS 6491
|