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S690QL1 | 1.8988 Material Datasheet

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Material Description

Material Number	Material Number (single)	Standard	Range of Application	Standard Status	Country	Predecessor	Successor	Application temperature [°C]
1.8988 (VdTÜV WB 257 : 2023-05)	1.8988	VdTÜV WB 257 : 2023-05	VdTÜV WB 257 : 2023-05 replaced by VdTÜV WB 257 : 2024-07	Replaced	Germany	S690QL1	S690QL1	-60 - 350	1)
1) Remark: High-strength quenched and tempered fine-grained structural steel in the form of plate and wide flat steel for pressure vessels acc. to AD 2000 W1 and W10, for pressure equipment acc. to directive 2014/68/EU in the temperature range from -60°C to 350°C and for nuclear engineering. Applicable documents: DIN EN 10028-1

Chemical Composition

Al [%]	C [%]	Cr [%]	Mn [%]	Mo [%]	P [%]	S [%]	Si [%]	Zr [%]
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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 [%]
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Welding and Joining

Procedure	Welding and Joining - Evaluation	Nominal Size [mm]	Preheating [°C]	Cooling Time t8/5 [s]	Holding Temperature [°C]	Interpass Temperature [°C]	Added Materials	Information
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1) Source: blur

Toughness Data (Impact)

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

Heat Treatment

Heat Treatment	Step	Nominal Size [mm]	Temperature [°C]	Holding Time [h]	Medium
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1) Source: blur
2) Remark: blur

Cross Reference

Material Name	Country	Standard
S690QL1	Europe	EN 10025-6	1)
S690QL1	Germany	SEW 090-1	1)
EStE 690 V	Germany		1)
S690Q F	International	ISO 630-4	1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier
N-A-XTRA 70	Ilsenburger Grobblech GmbH, Ilsenburg	1)
SIMAXX 700	SIJ Acroni d.o.o., Jesenice	1)
1) Source: VdTÜV WB 257 : 2023-05

Linear-elastic

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

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

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Designation

Designation	Material number	Source
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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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