S550QL 1.8926 - EN 10025-6-2019

Grade	S550QL
European Standard Steel Grade	1.8926
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	Strength Quench Hardness

S550QL 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	0.02	0.01	1.5	4	0.5	0.7	0.015	0.05	0.12	0.06	0.15	0.005

S550QL 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)	640~820	≥550	≥16
Hot-rolled plates; 50<t≤100	Tempering (Q)	640~820	≥530	≥16
Hot rolled plates; 100<t≤200	Tempering (Q)	590~770	≥490	≥16
Hot Rolled Plate; Transverse; 0°C					≥35
Hot Rolled Plate; Transverse; -20°C					≥30
Hot Rolled Plate; Transverse; -40°C					≥27
Hot Rolled Plate; Longitudinal; 0°C					≥50
Hot Rolled Plate; Longitudinal; -20°C					≥40
Hot Rolled Plate; Longitudinal; -40°C					≥30

Approximate Comparison Table Structural, Pressure Vessel and Engineering Steels

International Organization for Standardization	Germany	France	European Standard
ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade
E550	TStE550V	E550T E550TFP S550T	S550QL FeE550VKT①	1.8926

S550QL 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"!