NM300 - GB /T 24186-2022

Grade	NM300
Corresponding Standard	GB /T 24186-2022 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	Al
Minimum Value	-	-	-	-	-	-	-	-	-	0.0005	0.01
Maximum Value	0.23	0.7	1.6	0.025	0.015	0.8	0.5	0.4	0.05	0.006	-

NM300 Mechanical Properties

Thickness t mm	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
t≤80	Transverse Tensile: 1000	Transverse Tensile: 14	Surface Hardness: 270~330HBW Center Section Hardness: 240~330HBW
80＜t≤120	Transverse Tensile: 1000	Transverse Tensile: 14	Surface Hardness: 270~340HBW Center Section Hardness: -

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"!