12Ni14 - ISO 9328-4-2018

Grade	12Ni14
Corresponding Standard	ISO 9328-4-2018 Nickel-Alloy Steels with Specified Low Temperature Properties
Classification	Alloy Steel

12Ni14 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Ni	V	More
Minimum Value	-	-	0.3	-	-	3.25	-	Cr+Cu+Mo≤0.50
Maximum Value	0.15	0.35	0.8	0.02	0.005	3.75	0.05	Cr+Cu+Mo≤0.50

12Ni14 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤30	Normalizing (+N) or Normalizing and Tempering (+NT) or Quenching and Tempering (+QT)	490~640	≥355	≥22
30＜t≤50	Normalizing (+N) or Normalizing and Tempering (+NT) or Quenching and Tempering (+QT)	490~640	≥345	≥22
50＜t≤80	Normalizing (+N) or Normalizing and Tempering (+NT) or Quenching and Tempering (+QT)	490~640	≥335	≥22

1 Approximate Comparison Table Pressure-Bearing Flat Steel

International Organization for Standardization	European Standard
ISO	Numerical Grade
12Ni14	1.5637

2 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

12Ni14 Corresponding Standards(Same grade name, different standards)

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