S620Q 1.8914 - EN 10025-6-2019

Grade	S620Q
European Standard Steel Grade	1.8914
Corresponding Standard	EN 10025-6-2019 Hot rolled products of structural steels-Part 6: Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
Classification	Alloy Steel
Properties	High Strength High Hardenability

S620Q Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti	V	Nb	Zr	B
Minimum Value	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Maximum Value	0.2	0.8	1.7	0.025	0.015	1.5	4	0.5	0.7	0.015	0.05	0.12	0.06	0.15	0.005

S620Q Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
Hot-rolled plates; 3≤t≤50	Tempering (Q)	700~890	≥620	≥15
Hot-rolled plates; 50<t≤100	Tempering (Q)	700~890	≥580	≥15
Hot rolled plates; 100<t≤200	Tempering (Q)	650~830	≥560	≥15
Hot Rolled Plate; Transverse; 0°C					≥30
Hot Rolled Plate; Transverse; -20°C					≥27
Hot Rolled Plate; Longitudinal; 0°C					≥40
Hot Rolled Plate; Longitudinal; -20°C					≥30

1 Approximate Comparison Table Structural, Pressure Vessel and Engineering Steels

2 Approximate Comparison Table High strength structural steel plates in the quenched and tempered condition

S620Q 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"!