P420NH 1.8932 - EN 10028-3-2017

Grade	P420NH
European Standard Steel Grade	1.8932
Corresponding Standard	EN 10028-3-2017 Flat Products Made of Steels for Pressure Purposes - Part 3: Weldable Fine Grain Steels, Normalized
Classification	Alloy Steel

P420NH Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^ⓕ	Mo	N	Ti	V	Nb	Al ^{ⓒ ⓓ}	More
Minimum Value	-	-	1.1	-	-	-	-	-	-	-	-	-	-	0.02	Nb+Ti+V≤ 0.22；Cr+Cu+Mo≤0.45
Maximum Value	0.2	0.6	1.7	0.025	0.01	0.3	0.8	0.3	0.1	0.02	0.03	0.2	0.05	-	Nb+Ti+V≤ 0.22；Cr+Cu+Mo≤0.45

P420NH Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤16	Normalizing (+N)	540~690	≥420	≥19
16＜t≤40	Normalizing (+N)	540~690	≥405	≥19
40＜t≤60	Normalizing (+N)	540~690	≥395	≥19
60＜t≤100	Normalizing (+N)	515~665	≥370	≥19
100＜t≤150	Normalizing (+N)	500~650	≥350	≥19
150＜t≤250	Normalizing (+N)	490~640	≥340	≥19

1 Approximate Comparison Table Pressure-Bearing Flat Steel

International Organization for Standardization		European Standard
ISO	Numerical Grade	EN	Numerical Grade
P420NH	1.8932	P420NH	1.8932

2 Approximate Comparison Table Steel Plate for Boilers and Pressure Vessels

China	United States	International Organization for Standardization	European Standard
GB	ASTM	ISO	EN
Q420R GB/T 713.2-2023	SA612 SA737 ASME Ⅱ-A-2021	P420NH P420NL1 ISO 9328-2018	P420NH P420NL1 EN 10028-2017

P420NH Corresponding Standards(Same grade name, different standards)

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