Grade NM300
Corresponding Standard GB /T 24186-2009
High Strength Abrasion Resistant Steel Plates for Construction Machine
Classification Alloy Steel
NM300 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo Ti B More
Minimum Value - - - - - - - - - 0.0005 Als≥0.01
Maximum Value 0.23 0.7 1.6 0.025 0.015 0.7 0.5 0.4 0.05 0.006
NM300 Mechanical Properties
Thickness
t
mm
Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
t≤80 ≥1000 ≥14 270~330 -20°C (Longitudinal)
≥24
NM300 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"!