SEW 090-1 Grade S690Q quenched in a liquid medium and tempered

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Description

S690Q is a fluid-tempered high strength weldable fine grained steel with a min. yield point of 690 N/mm². It is applicated for steel structures, e.g. bridge and load bearing constructions, transport vehicles, lifting and earth moving machines. The usual thickness range amounts 3 to 100 mm. The lowest application temperature accounts for -20°C. The steel is processed by cold forming, at temperatures below the highest permissible stress relieving temperature of 530 to 580 °C. After hot forming at 700 to 1050 °C has to be coducted a retempering in order to achieve delivery condition qualities. The steel is combustible and electric arc cuttable subject to appropriate mode of operation. Flame cutting is affected by the surface condition. Preheating to 100 to 200 °C is advisable for workpiece temperatures below 5 °C and if the thermal cut edges should be cold formed on processing.

Related Standards

Equivalent Materials

Diese Materialdaten wurden von WIAM zur Verfügung gestellt

Alle Daten beziehen sich auf Raumtemperatur soweit nicht anderweitig spezifiziert. SI Einheiten werden verwendt soweit nicht anderweitig spezifiziert.
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Eigenschaften

Allgemein

Property	Temperature	Value	Comment
Dichte	23.0 °C	7.8 g/cm³ Show Material materials with Dichte of 7.8 g/cm³	Typical for Steel

Mechanisch

Property	Temperature	Value	Comment
Dehnung	20.0 °C	14 % Show Material materials with Dehnung of 14 %
Elastizitätsmodul	23.0 °C	190 - 210 GPa Show Material materials with Elastizitätsmodul of 190 - 210 GPa	Typical for Steel
Poissonzahl	23.0 °C	0.3 [-] Show Material materials with Poissonzahl of 0.3 [-]	Typical for Steel
Streckgrenze	20.0 °C	620 - 690 MPa Show Material materials with Streckgrenze of 620 - 690 MPa
Zugfestigkeit	20.0 °C	730 - 940 MPa Show Material materials with Zugfestigkeit of 730 - 940 MPa

Thermisch

Property	Value
Max. Betriebstemperatur, lang	-20 - 0 °C Show Material materials with Max. Betriebstemperatur, lang of -20 - 0 °C

Chemical properties

Property	Value
Bor	5E-3 % Show Material materials with Bor of 5E-3 %
Chrom	1 % Show Material materials with Chrom of 1 %
Kohlenstoff	0.2 % Show Material materials with Kohlenstoff of 0.2 %
Mangan	1.6 % Show Material materials with Mangan of 1.6 %
Molybdän	0.6 % Show Material materials with Molybdän of 0.6 %
Nickel	1.5 % Show Material materials with Nickel of 1.5 %
Niobium	0.05 % Show Material materials with Niobium of 0.05 %
Phosphor	0.03 % Show Material materials with Phosphor of 0.03 %
Schwefel	0.02 % Show Material materials with Schwefel of 0.02 %
Silizium	0.15 - 0.5 % Show Material materials with Silizium of 0.15 - 0.5 %
Vanadium	0.12 % Show Material materials with Vanadium of 0.12 %

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