27MnB - YB /T 4519-2016

Grade	27MnB
Corresponding Standard	YB /T 4519-2016 Steel Plates for Bucket of Scraper
Classification	Alloy Steel
Density	7.85 g/cm³

27MnB Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	Ti	B
Minimum Value	0.25	0.15	1	-	-	-	-	0.01	0.0005
Maximum Value	0.3	0.5	1.5	0.025	0.015	0.5	0.2	0.06	0.0035

27MnB Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
t=10~50※				≤269
t=10~50*	Quenching temperature 900°C, tempering temperature 200°C	≥1550	≥8	≥450	-20°C: Longitudinal ≥25

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!