Grade QT350-22AL
Corresponding Standard GB /T 1348-2009
Spheroidal Graphite Iron Castings
Classification cast Iron
QT350-22AL Mechanical Properties
Thickness
t
mm
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
Attached casting specimen, t≤30 ≥350 ≥220 ≥22 ≤160 Low Temperature (-40±2)°C
Average value of three samples: ≥12
Individual value: ≥9
Attached casting specimen, 30<t≤60 ≥330 ≥210 ≥18 ≤160 Low Temperature (-40±2)°C
Average value of three samples: ≥12
Individual value: ≥9
Attached casting specimen, 60<t≤200 ≥320 ≥200 ≥15 ≤160 Low temperature (-40±2)℃
Average value of three samples: ≥10
Individual value: ≥7

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