S550QL 1.8926 - EN 10025-6-2019(+A1:2022)

Grade	S550QL
European Standard Steel Grade	1.8926
Corresponding Standard	EN 10025-6-2019(+A1:2022) 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

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	Test Temperature	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	Room Temperature	Tempering (Q)	640~820	ReH: ≥550	≥16
Hot-rolled plates; 50<t≤100	Room Temperature	Tempering (Q)	640~820	ReH: ≥530	≥16
Hot rolled plates; 100<t≤200	Room Temperature	Tempering (Q)	590~770	ReH: ≥490	≥16
Hot rolled plate						long. ≥50 tr. ≥35
Hot rolled plate						long. ≥40 tr. ≥30
Hot rolled plate						long. ≥30 tr. ≥27

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"!