S550QL1 1.8986 - EN 10025-6-2019(+A1:2022)

Grade	S550QL1
European Standard Steel Grade	1.8986
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

S550QL1 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

S550QL1 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. ≥60 tr. ≥40
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

S550QL1 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"!