S420NL - ISO 630-3-2021

Grade	S420NL
Corresponding Standard	ISO 630-3-2021 Structural Steels — Part 3: Technical Delivery Conditions for Fine-Grain Structural Steels
Classification	Alloy Steel

S420NL Chemical Element Composition Content (%)

Component	C	Si	Mn	P ^①	S ^①②	Cr	Ni	Cu ^④	Mo	N	Ti	V	Nb	Al ^③
Minimum Value	-	-	1	-	-	-	-	-	-	-	-	-	-	0.02
Maximum Value	0.2	0.6	1.7	0.025	0.02	0.3	0.8	0.55	0.1	0.025	0.05	0.2	0.05	-

S420NL Mechanical Properties

thickness t mm	Test Temperature	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤16	room temperature	520~680	ReH: ≥420	≥19
16<t≤40		520~680	ReH: ≥400	≥19
40<t≤63		520~680	ReH: ≥390	≥19
63<t≤80		520~680	ReH: ≥370	≥18
80<t≤100		520~680	ReH: ≥360	≥18
100<t≤150		500~650	ReH: ≥340	≥18
150<t≤200		500~650	ReH: ≥330	≥18
200<t≤250		500~650	ReH: ≥320	≥18
specimen	20°C				long. ≥63 tr. ≥40
specimen	0°C				long. ≥55 tr. ≥34
specimen	-10°C				long. ≥51 tr. ≥30
specimen	-20°C				long. ≥47 tr. ≥27
specimen	-30°C				long. ≥40 tr. ≥23
specimen	-40°C				long. ≥31 tr. ≥20
specimen	-50°C				long. ≥27 tr. ≥16

New and Old Grade Replacement List

S420NL 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"!