08Ni3DR - GB /T 150.2-2011

Grade	08Ni3DR
Corresponding Standard	GB /T 150.2-2011 Pressurevessels — Part2 : Materials
Classification	Alloy Steel

08Ni3DR Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Ni	Mo	V	More
Minimum Value	-	0.15	0.3	-	-	3.25	-	-	Cr+Cu+Mo≤0.5
Maximum Value	0.1	0.35	0.8	0.015	0.01	3.7	0.12	0.05	Cr+Cu+Mo≤0.5

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
6≤t≤60	490~620	≥320	≥21	-100°C (Test Temperature) ≥47
60﹤t﹤100	480~610	≥300	≥21	-100°C (Test Temperature) ≥47

Approximate Comparison Table Pressure-Bearing Flat Steel

China	Japan	United States	International Organization for Standardization	European Standard
GB	JIS	ASTM	ISO	EN
08Ni3DR GB/T 713.4-2023	SL3N255 SL3N275 SL3N440 JIS G 3127-2021	3.5%Ni D级 3.5%Ni E级 3.5%Ni F级 ASTM A203/A203M-17	12Ni14 ISO 9328-4-2018	12Ni14 EN 10028-4-2017

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

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