DIN 2391-2 Grade St 30 Al normalized or normalized formed (+N)

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Description

Seamless precision steel tube made from St 30 Al is mainly used as construction element with special requirements in dimension accuracy, small wall thicknesses and good surface condition. The tubes are made in different grades (A and C). Grade C is valid for conduits. Grade A: for mechanical load without special grade requirement, without inspection certificate Grade C: for special requirements (testing after arrangement, e.g. bending, flanging, bulging a.o.) The weldability is given. Application (acc. VdTÜV-Wbl 445 : 2001-09): pressure vessels acc. TRB 100 and AD-Merkblatt W 4 from -10 to 300 degrees C, for steam boilers acc. TRD 702, for tube parts acc. TRbF 131 and 212 analogical St 37.0 in DIN 1629 as well as in the nuclear engineering.

Related Standards

Equivalent Materials

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Eigenschaften

Allgemein

Property	Temperature	Value	Comment
Dichte	23.0 °C	7.8 - 7.9 g/cm³ Show Material materials with Dichte of 7.8 - 7.9 g/cm³	Typical for Low Carbon Steel

Mechanisch

Property	Temperature	Value	Comment
Dehnung	20.0 °C	30 % Show Material materials with Dehnung of 30 %
Elastizitätsmodul	23.0 °C	200 - 215 GPa Show Material materials with Elastizitätsmodul of 200 - 215 GPa	Typical for Low Carbon Steel
Poissonzahl	23.0 °C	0.29 [-] Show Material materials with Poissonzahl of 0.29 [-]	Typical for Low Carbon Steel
Schubmodule	23.0 °C	82 GPa Show Material materials with Schubmodule of 82 GPa	Typical for Low Carbon Steel
Streckgrenze	20.0 °C	215 MPa Show Material materials with Streckgrenze of 215 MPa
Zugfestigkeit	20.0 °C	290 - 420 MPa Show Material materials with Zugfestigkeit of 290 - 420 MPa

Thermisch

Property	Temperature	Value	Comment
Koeffizient der thermischen Ausdehnung	23.0 °C	1.32E-5 - 1.38E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.32E-5 - 1.38E-5 1/K	Typical for Low Carbon Steel
Max. Betriebstemperatur		500 °C Show Material materials with Max. Betriebstemperatur of 500 °C	Typical for Carbon Steel
Schmelzpunkt		1480 - 1526 °C Show Material materials with Schmelzpunkt of 1480 - 1526 °C	Typical for Low Carbon Steel
Spezifische Wärmekapazität	23.0 °C	465 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 465 J/(kg·K)	Typical for Low Carbon Steel
Wärmeleitfähigkeit	23.0 °C	25 - 93 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 25 - 93 W/(m·K)	Typical for Low Carbon Steel

Elektrisch

Property	Temperature	Value	Comment
spezifischer Widerstand	23.0 °C	1.43E-7 - 1.74E-7 Ω·m Show Material materials with spezifischer Widerstand of 1.43E-7 - 1.74E-7 Ω·m	Typical for Carbon Steel

Magnetisch

Property	Value	Comment
Curie-Temperatur	770 °C Show Material materials with Curie-Temperatur of 770 °C	Typical for Low Carbon Steel

Chemical properties

Property	Value
Kohlenstoff	0.1 % Show Material materials with Kohlenstoff of 0.1 %
Mangan	0.55 % Show Material materials with Mangan of 0.55 %
Phosphor	0.03 % Show Material materials with Phosphor of 0.03 %
Schwefel	0.025 % Show Material materials with Schwefel of 0.025 %
Silizium	0.05 % Show Material materials with Silizium of 0.05 %