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S690QL1 | 1.8988 Material Datasheet

Material Test Series Values
Material Standard Values

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Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	VDA 231-106 classification
1.8988 (DIN EN 10025-6 : 2023-06)	S690QL1	1.8988	DIN EN 10025-6 : 2023-06	Supersedes DIN EN 10025-6 : 2023-02	Valid	Germany	S690QL1	1.1.1	1)
1) Remark: 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 [%]	Remainder
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
1) Source: blur

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 [%]
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	2)
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1) Source: blur
2) Source: blur

Physical Properties

Temperature [°C]	Density [g/cm³]	Young's 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)]
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	2)
blur	blur	blur	blur	blur	blur	blur	2)
blur	blur	blur	blur	blur	blur	blur	2)
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1) Source: blur
2) Source: blur

Toughness Data (Impact)

Condition	Nominal Size [mm]	Temperature [°C]	Specimen Shape	Specimen Direction	Notch Impact Energy [J]
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
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1) Source: blur

Welding and Joining

Procedure	Welding and Joining - Evaluation	Nominal Size [mm]	Cooling Time t8/5 [s]	Interpass Temperature [°C]	CEV (CE IIW) [%]	Information
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	2)3)
blur	blur	blur	blur	blur	blur	blur	2)3)
blur	blur	blur	blur	blur	blur	blur	2)3)
blur	blur	blur	blur	blur	blur	blur	4)
blur	blur	blur	blur	blur	blur	blur	4)
blur	blur	blur	blur	blur	blur	blur	4)
blur	blur	blur	blur	blur	blur	blur	5)
blur	blur	blur	blur	blur	blur	blur	6)
1) Source: blur
2) Source: blur
3) Remark: blur
4) Source: blur
5) Source: blur
6) Source: blur

Heat Treatment

Heat Treatment	Temperature [°C]	Holding Time [h]
blur	blur	blur	1)
blur	blur	blur	2)
1) Source: blur
2) Source: blur

Formability - Bending - Folding

Condition	Nominal Size [mm]	Rolling Direction	Bend Factor (90°)
blur	blur	blur	blur	1)
blur	blur	blur	blur	1)
1) Source: blur

Cross Reference

Material Name	Country	Standard
Q690q	China	GB/T 16270	1)
L16904	China	GB/T 16270	1)
L16905	China	GB/T 16270	1)
L16906	China	GB/T 16270	1)
S690QL1	Germany	SEW 090-1
S690QL1	Europe	EN 10025-6
A514 Grade A-Q	USA	ASTM A514	2)
Grade A-Q	USA	ASTM A517	2)
S690Q F	International	ISO 630-4	1)
EStE 690 V	Germany		1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: SuperElso® 690 CR, ArcelorMittal Industeel, Luxembourg, 07/2020

Producer/Supplier/Trade names

Tradename	Supplier
DILLIMAX 690 E	AG der Dillinger Hüttenwerke, Dillingen	1)
Amstrong Ultra 690	ArcelorMittal SA, Luxembourg
MAXIL 690 QL1	Ilsenburger Grobblech GmbH, Ilsenburg	1)
N-A-XTRA 700	Ilsenburger Grobblech GmbH, Ilsenburg	1)
Super Elso 690 CR	Industeel Deutschland GmbH, Grevenbroich	1)
1.8988	INTERSTAHL Service GmbH, Wetter	1)
Strenx 700F	SSAB Swedish Steel GmbH, Düsseldorf	1)
aldur 700 QL1	voestalpine AG, Linz	1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach