QTRSi4 - GB /T 9437-2009

Grade	QTRSi4
Corresponding Standard	GB /T 9437-2009 Heat Resistant Iron Castings
Classification	cast Iron

QTRSi4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	2.4	3.5	-	-	-
Maximum Value	3.2	4.5	0.7	0.07	0.015

QTRSi4 Mechanical Properties

	Tensile Strength σ_b Mpa	Hardness HBW
Room Temperature	≥420	143~187
Short-term high temperature 500°C	≥75
Short-term high temperature 500°C	≥35

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