Grade RQTSi5
Corresponding Standard GB 9437-1988
Heat Resistant Iron Castings
Classification cast Iron
RQTSi5 Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 2.4 4.5 - - -
Maximum Value 3.2 5.5 0.7 0.1 0.03
RQTSi5 Mechanical Properties
form Test Temperature Tensile Strength
σb
Mpa
Hardness
HBW
Casting Room Temperature ≥370 228~302
Casting High temperature short-term tensile strength: 67
Casting High temperature short-term tensile strength: 30
RQTSi5 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"!