S420NH 1.8750 - EN 10219-3-2020

Grade	S420NH
European Standard Steel Grade	1.8750
Corresponding Standard	EN 10219-3-2020 Cold Formed Welded Steel Structural Hollow Sections - Part 3: Technical Delivery Conditions for High Strength and Weather Resistant Steels
Classification	Alloy Steel

S420NH Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^①	Mo	N	Ti	V	Nb	Al ^②
Minimum Value	-	-	1	-	-	-	-	-	-	-	-	-	-	0.02
Maximum Value	0.22	0.6	1.7	0.03	0.025	0.3	0.8	0.55	0.1	0.025	0.05	0.2	0.05	-

① If the copper content is greater than 0,30 % then the nickel content shall be at least half of the copper content.
② If sufficient N-binding elements are present, the minimum total Al content does not apply.
③ The deoxidation method is designated as follows: FF= fully killed steel containing nitrogen binding elements in amounts sufficient to bind the available nitrogen and having a fine grain structure.

S420NH 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
t≤16	520~680	ReH: ≥420	l：≥19 t：≥17
16＜t≤40	520~680	ReH: ≥400	l：≥19 t：≥17
/				l：≥40^③ t：≥20

S420NH Corresponding Standards(Same grade name, different standards)

1	EN 10210-1-2006
	S420NH 1.8750
2	EN 10219-3-2020
	S420NH 1.8750

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