S550QL1 | 1.8986 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

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Material Description

Material Number	Material Number (single)	Standard	Range of Application	Standard Status	Country	Predecessor	Remark
1.8986 (DIN EN 10025-6 : 2023-06)	1.8986	DIN EN 10025-6 : 2023-06	Supersedes DIN EN 10025-6 : 2023-02	Valid	Germany	S550QL1	Hot rolled and tempered, weldable flat products with higher yield strength for welded steel structures of various types, e.g. bridge and supporting structures and transport vehicles, lifting and earthmoving machines.

Chemical Composition

B [%]	C [%]	Cr [%]	Cu [%]	Mn [%]	Mo [%]	N [%]	Nb [%]	Ni [%]	P [%]	S [%]	Si [%]	Ti [%]	V [%]	Zr [%]	Source
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Mechanical Properties

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A [%]	Source
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Physical Properties

Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Shear Modulus [GPa]	Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1]	Thermal Conductivity [W/(m*K)]	Specific Electrical Resistance [µΩm]	Mean Specific Heat Capacity [kJ/(kg*K)]	Source
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Young's Modulus [GPa] vs Temperature [°C]

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Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] vs Temperature [°C]

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Welding and Joining

Procedure	Welding and Joining - Evaluation	Nominal Size [mm]	Cooling Time t8/5 [s]	Interpass Temperature [°C]	CE [%]	Information	Source	Remark
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Toughness Data (Impact)

Condition	Nominal Size [mm]	Temperature [°C]	Specimen Shape	Specimen Direction	Notch Impact Energy [J]	Source
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Heat Treatment

Heat Treatment	Temperature [°C]	Holding Time [h]	Source
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Cross Reference

Material Name	Country	Standard	Source
Q550q	China	GB/T 714	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
L15504	China	GB/T 714	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
L15505	China	GB/T 714	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
L15506	China	GB/T 714	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
S550QL1	Europe	EN 10025-6
S550Q F	International	ISO 630-4	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
EStE 550 V	Germany		Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier	Source
DILLIMAX 550 E	AG der Dillinger Hüttenwerke, Dillingen	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
MAXIL 550 QL1	Ilsenburger Grobblech GmbH, Ilsenburg	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
N-A-XTRA 550	Ilsenburger Grobblech GmbH, Ilsenburg	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
1.8986	INTERSTAHL Service GmbH, Wetter	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
aldur 550 QL1	voestalpine AG, Linz

Formability - Bending - Folding

Condition	Nominal Size [mm]	Rolling Direction	Bend Factor (90°)	Source
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S550QL1 (1.8986; DIN EN 10025-6 : 2023-06)

Linear-elastic

Temperature [°C]	Young's modulus [GPa]	Shear modulus [GPa]	Poisson's ratio
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Alternating stress

Temperature [°C]	Stress ratio	Alternating stress [MPa]	Cycles
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Yield strength

Temperature [°C]	0.2% Proof strength [MPa]	Yield strength [MPa]
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Electrical resistivity

Temperature [°C]	Specific electrical resistance [µΩm]
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Coefficient thermal expansion

Related Temperature [°C]	Temperature [°C]	Coefficient thermal expansion [10^-6*K^-1]
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Specific heat

Temperature [°C]	Specific heat [kJ/(kg*K)]
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Density

Temperature [°C]	Density [g/cm³]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Thermal conductivity

Temperature [°C]	Thermal conductivity [W/(m*K)]
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Classification

WIAM Material	Source description
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Designation

Designation	Material number	Source
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S550QL1 (quenched and tempered (+QT); flat product; 3.000-50.000mm)

Yield strength

Temperature [°C]	Yield strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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S550QL1 (quenched and tempered (+QT); flat product; 50.000-100.000mm)

Yield strength

Temperature [°C]	Yield strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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S550QL1 (quenched and tempered (+QT); flat product; 100.000-200.000mm)

Yield strength

Temperature [°C]	Yield strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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S550QL1 (quenched in a liquid medium and tempered; flat product; 3.000-120.000mm)

Yield strength

Temperature [°C]	0.2% Proof strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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S550QL1 | 1.8986 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

Material Description

Chemical Composition

Mechanical Properties

Physical Properties

Young's Modulus [GPa] vs Temperature [°C]

Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] vs Temperature [°C]

Welding and Joining

Toughness Data (Impact)

Heat Treatment

Cross Reference

Producer/Supplier/Trade names

Formability - Bending - Folding

S550QL1 (1.8986; DIN EN 10025-6 : 2023-06)

Linear-elastic

Alternating stress

Yield strength

Electrical resistivity

Coefficient thermal expansion

Specific heat

Density

Tensile strength

Thermal conductivity

Classification

Designation

S550QL1 (quenched and tempered (+QT); flat product; 3.000-50.000mm)

Yield strength

Tensile strength

Classification

S550QL1 (quenched and tempered (+QT); flat product; 50.000-100.000mm)

Yield strength

Tensile strength

Classification

S550QL1 (quenched and tempered (+QT); flat product; 100.000-200.000mm)

Yield strength

Tensile strength

Classification

S550QL1 (quenched in a liquid medium and tempered; flat product; 3.000-120.000mm)

Yield strength

Classification

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