QT400-18AR - GB /T 1348-2009

Grade	QT400-18AR
Corresponding Standard	GB /T 1348-2009 Spheroidal Graphite Irons Castings
Classification	cast Iron

QT400-18AR Mechanical Properties

Thickness t mm	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
Attached casting specimen, t≤30	≥400	≥250	≥18	120~175	Room Temperature (23±5)°C Average value of three samples: ≥14 Individual value: ≥11
Attached casting specimen, 30＜t≤60	≥390	≥250	≥15	120~175	Room Temperature (23±5)°C Average value of three samples: ≥14 Individual value: ≥11
Attached casting specimen, 60＜t≤200	≥370	≥240	≥12	120~175	Room temperature (23±5)°C Average value of three specimens: ≥12 Individual value: ≥9

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!