06Ni9DR - Q/BQB 665-2018

Grade	06Ni9DR
Corresponding Standard	Q/BQB 665-2018 08ni3dr and 06ni9dr Steel Plates for Low Temperature Pressure Vessels
Classification	Alloy Steel

06Ni9DR Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^②	Ni	Cu ^②	Mo	V	More
Minimum Value	-	-	0.3	-	-	-	8.5	-	-	-	Cr+Cu+Mo≤0.5
Maximum Value	0.08	0.35	0.8	0.008	0.004	0.25	10	0.25	0.1	0.01	Cr+Cu+Mo≤0.5

06Ni9DR 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≤30	680~820	≥560	≥18	-196°C (test temperature) ≥100
30<t≤40	680~820	≥550	≥18	-100°C (Test Temperature) ≥100

06Ni9DR Corresponding Standards(Same grade name, different standards)

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