Grade ZG30Mn2Si
Corresponding Standard GB /T 26651-2011
Abrasion-Resistant Steel Castings
Classification Cast Steel
ZG30Mn2Si Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 0.25 0.5 1.2 - -
Maximum Value 0.35 1.2 2.2 0.04 0.04
• Allows the addition of trace amounts of elements such as V, Ti, Nb, B, and RE.
ZG30Mn2Si Mechanical Properties
Hardness
HBW
Impact Energy Absorption
KV2
J
HRC: ≥45 ≥12
• V and N in KV2 and KN2 represent V-notch and unnotched samples respectively.
• The hardness at 40% of the section depth of the casting should not be less than 92% of the surface hardness value

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