15MnNiNbDR - GB /T 150.2-2011

Grade	15MnNiNbDR
Corresponding Standard	GB /T 150.2-2011 Pressurevessels — Part2 : Materials
Classification	Alloy Steel

15MnNiNbDR Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Ni	Nb
Minimum Value	-	0.15	1.2	-	-	0.3	0.015
Maximum Value	0.18	0.35	1.6	0.02	0.01	0.7	0.04

15MnNiNbDR Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
10≤t≤16	530~630	≥370	≥20	-50°C (Test Temperature) ≥60
16﹤t≤36	530~630	≥360	≥20	-50°C (Test Temperature) ≥60
36﹤t≤60	520~620	≥350	≥20	-50°C (Test Temperature) ≥60

15MnNiNbDR Corresponding Standards(Same grade name, different standards)

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