RQTSi4 - GB 9437-1988

Grade	RQTSi4
Corresponding Standard	GB 9437-1988 Heat Resistant Iron Castings
Classification	cast Iron

RQTSi4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	2.4	3.5	-	-	-
Maximum Value	3.2	4.5	0.7	0.1	0.03

RQTSi4 Mechanical Properties

form	Test Temperature	Tensile Strength σ_b Mpa	Hardness HBW
Casting	Room Temperature	≥480	187~269
Casting		High-temperature short-term tensile strength: 75
Casting		High temperature short-term tensile strength: 35

RQTSi4 Corresponding Standards(Same grade name, different standards)

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