08Ni3DR - GB /T 713.4-2023

Grade	08Ni3DR
Corresponding Standard	GB /T 713.4-2023 Steel Plate, Sheet and Strip for Pressure Equipments— Part 4: Nickel-Alloy Steels with Specified Low Temperature Properties
Classification	Alloy Steel

08Ni3DR Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V	Nb	Al	More
Minimum Value	-	0.1	0.3	-	-	-	3.25	-	-	-	-	0.015	Cr+Mo+Cu≤0.5%
Maximum Value	0.1	0.35	0.8	0.015	0.005	0.25	3.75	0.35	0.12	0.05	0.08	-	Cr+Mo+Cu≤0.5%

• When the thickness is greater than 100mm, the upper limit of C content can reach 0.12%.

08Ni3DR Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
6≤t≤60	490~620	ReL ≥320	≥21	-100°C ≥60
60＜t≤100	480~610	ReL ≥300	≥21	-100°C ≥60
100＜t≤150	470~600	ReL ≥290	≥21	-100°C ≥60

• Transverse specimens are taken for tensile and impact tests.
• When the yield phenomenon is not obvious, Rp0.2 can be used to replace the lower yield strength ReL.

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)

1	GB 3531-2014
	08Ni3DR
2	GB /T 150.2-2011
	08Ni3DR
3	Q/BQB 665-2018
	08Ni3DR
4	GB /T 713.4-2023
	08Ni3DR

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