MQTMn7 - GB 3180-1982

Grade	MQTMn7
Corresponding Standard	GB 3180-1982 Specification for Medium Manganese Wear-Resistant Spheroidal Iron Castings
Classification	cast Iron

MQTMn7 Chemical Element Composition Content (%)

Component	Mn	More
Minimum Value	6.5	Mn＞6.5~7.5
Maximum Value	7.5	Mn＞6.5~7.5

MQTMn7 Mechanical Properties

diameter d mm	Hardness HBW	Impact Energy Absorption KV2 J	Bending Strength σ_w Mpa	Deflection f mm
d=30 (sand mold)	（HRC） ≥41	≥8.83	≥471	≥3.5
d=50 (metal mold)	≥41	≥8.83	≥441	≥3

MQTMn7 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"!