11MnNi 5-3 1.6212 - EN 10028-4-2017

Grade	11MnNi 5-3
European Standard Steel Grade	1.6212
Corresponding Standard	EN 10028-4-2017 Flat Products Made of Steels for Pressure Purposes - Part Four: Nickel Alloy Steels with Specified Low Temperature Properties
Classification	Alloy Steel

11MnNi 5-3 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Ni ^①	V	Nb	Al	More
Minimum Value	-	-	0.7	-	-	0.3	-	-	0.02	Cr+Cu+Mo≤0.50
Maximum Value	0.14	0.5	1.5	0.025	0.01	0.8	0.05	0.05	-	Cr+Cu+Mo≤0.50

① For nominal thicknesses ≤ 40 Mm, a minimum nickel content of 0,15 % Is permitted.

11MnNi 5-3 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), Normalizing and Tempering (+NT)	420~530	ReH ≥285	≥24
30＜t≤50	Normalizing (+N), Normalizing and Tempering (+NT)	420~530	ReH ≥275	≥24
50＜t≤80	Normalizing (+N), Normalizing and Tempering (+NT)	420~530	ReH ≥265	≥24

1 Approximate Comparison Table Pressure-Bearing Flat Steel

International Organization for Standardization	European Standard
ISO	Numerical Grade
11MnNi 5-3	1.6212

2 Approximate Comparison Table Pressure-Bearing Flat Steel

11MnNi5-3 Corresponding Standards(Same grade name, different standards)

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