08Ni3DR - Q/BQB 665-2018

Grade	08Ni3DR
Corresponding Standard	Q/BQB 665-2018 08Ni3DR and 06Ni9DR steel plates for low temperature pressure vessel s
Classification	Alloy Steel

08Ni3DR Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^②	Ni	Cu ^②	Mo	V
Minimum Value	-	0.15	0.3	-	-	-	3.25	-	-	-
Maximum Value	0.08	0.35	0.8	0.01	0.005	0.25	3.75	0.25	0.12	0.05

08Ni3DR 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
5≤t≤60	490~620	≥320	≥21	-100°C (Test Temperature) ≥60
60<t≤80	480~610	≥300	≥21	-100°C (Test Temperature) ≥60

08Ni3DR Corresponding Standards(Same grade name, different standards)

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