SEW 555 Grade 28CrMoNiV4-9 quenched and tempered (+QT)

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Description

The high temperature alloy steel 28CrMoNiV4-9 is used for larger preshaped components in the quenched and tempered condition in turbine and generator installations, in particular as shafts and discs. The steel is weldable if the relevant measures required are observed.

Related Standards

SEW 555

Equivalent Materials

Los datos sobre este material han sido proporcionados por WIAM.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

Property	Temperature	Value
Densidad	20.0 °C	7.85 g/cm³ Show Material materials with Densidad of 7.85 g/cm³

Mecánica

Property	Temperature	Value	Comment
Coeficiente de Poisson	23.0 °C	0.3 [-] Show Material materials with Coeficiente de Poisson of 0.3 [-]	Typical for Steel
Elongación transversal	20.0 °C	12 % Show Material materials with Elongación transversal of 12 %
Límite elástico Rp 0,2	100.0 °C	525 MPa Show Material materials with Límite elástico Rp 0,2 of 525 MPa
	200.0 °C	500 MPa Show Material materials with Límite elástico Rp 0,2 of 500 MPa
	250.0 °C	480 MPa Show Material materials with Límite elástico Rp 0,2 of 480 MPa
	300.0 °C	465 MPa Show Material materials with Límite elástico Rp 0,2 of 465 MPa
	350.0 °C	445 MPa Show Material materials with Límite elástico Rp 0,2 of 445 MPa
	400.0 °C	425 MPa Show Material materials with Límite elástico Rp 0,2 of 425 MPa
	450.0 °C	400 MPa Show Material materials with Límite elástico Rp 0,2 of 400 MPa
	500.0 °C	365 MPa Show Material materials with Límite elástico Rp 0,2 of 365 MPa

Límite elástico transversal Rp 0,2	20.0 °C	550 MPa Show Material materials with Límite elástico transversal Rp 0,2 of 550 MPa
Módulo elástico	-100.0 °C	217 GPa Show Material materials with Módulo elástico of 217 GPa
	20.0 °C	212 GPa Show Material materials with Módulo elástico of 212 GPa
	100.0 °C	207 GPa Show Material materials with Módulo elástico of 207 GPa
	200.0 °C	199 - 200 GPa Show Material materials with Módulo elástico of 199 - 200 GPa
	300.0 °C	192 - 193 GPa Show Material materials with Módulo elástico of 192 - 193 GPa
	400.0 °C	184 GPa Show Material materials with Módulo elástico of 184 GPa
	500.0 °C	175 GPa Show Material materials with Módulo elástico of 175 GPa
	600.0 °C	164 GPa Show Material materials with Módulo elástico of 164 GPa
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Reducción de área, transversal	20.0 °C	40 % Show Material materials with Reducción de área, transversal of 40 %
Resistencia a la tracción transversal	20.0 °C	700 - 850 MPa Show Material materials with Resistencia a la tracción transversal of 700 - 850 MPa

Aplicaciones térmicas

Property	Temperature	Value
Calor específico	-100.0 °C	423 J/(kg·K) Show Material materials with Calor específico of 423 J/(kg·K)
	20.0 °C	461 J/(kg·K) Show Material materials with Calor específico of 461 J/(kg·K)
	100.0 °C	479 J/(kg·K) Show Material materials with Calor específico of 479 J/(kg·K)
	200.0 °C	499 J/(kg·K) Show Material materials with Calor específico of 499 J/(kg·K)
	300.0 °C	517 J/(kg·K) Show Material materials with Calor específico of 517 J/(kg·K)
	400.0 °C	536 J/(kg·K) Show Material materials with Calor específico of 536 J/(kg·K)
	500.0 °C	558 J/(kg·K) Show Material materials with Calor específico of 558 J/(kg·K)
	600.0 °C	587 J/(kg·K) Show Material materials with Calor específico of 587 J/(kg·K)
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Coeficiente de dilatación térmica	-100.0 °C	1.05E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.05E-5 1/K
	20.0 °C	1.15E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.15E-5 1/K
	100.0 °C	1.11E-5 - 1.21E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.11E-5 - 1.21E-5 1/K
	200.0 °C	1.21E-5 - 1.27E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.21E-5 - 1.27E-5 1/K
	300.0 °C	1.29E-5 - 1.32E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.29E-5 - 1.32E-5 1/K
	400.0 °C	1.35E-5 - 1.36E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.35E-5 - 1.36E-5 1/K
	500.0 °C	1.39E-5 - 1.4E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.39E-5 - 1.4E-5 1/K
	600.0 °C	1.41E-5 - 1.44E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.41E-5 - 1.44E-5 1/K
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Conductividad térmica	20.0 °C	47.1 W/(m·K) Show Material materials with Conductividad térmica of 47.1 W/(m·K)
	100.0 °C	46 - 47.1 W/(m·K) Show Material materials with Conductividad térmica of 46 - 47.1 W/(m·K)
	200.0 °C	45.9 - 46 W/(m·K) Show Material materials with Conductividad térmica of 45.9 - 46 W/(m·K)
	300.0 °C	43.8 - 46 W/(m·K) Show Material materials with Conductividad térmica of 43.8 - 46 W/(m·K)
	400.0 °C	41.3 - 44 W/(m·K) Show Material materials with Conductividad térmica of 41.3 - 44 W/(m·K)
	500.0 °C	38.7 - 43 W/(m·K) Show Material materials with Conductividad térmica of 38.7 - 43 W/(m·K)
	600.0 °C	36 - 41 W/(m·K) Show Material materials with Conductividad térmica of 36 - 41 W/(m·K)
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Difusividad térmica	20.0 °C	13 mm²/s Show Material materials with Difusividad térmica of 13 mm²/s
	100.0 °C	12.1 mm²/s Show Material materials with Difusividad térmica of 12.1 mm²/s
	200.0 °C	11.1 mm²/s Show Material materials with Difusividad térmica of 11.1 mm²/s
	300.0 °C	9.9 mm²/s Show Material materials with Difusividad térmica of 9.9 mm²/s
	400.0 °C	8.7 mm²/s Show Material materials with Difusividad térmica of 8.7 mm²/s
	500.0 °C	7.4 mm²/s Show Material materials with Difusividad térmica of 7.4 mm²/s
	600.0 °C	6 mm²/s Show Material materials with Difusividad térmica of 6 mm²/s
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Temperatura máx. de funcionamiento, largo		0 - 550 °C Show Material materials with Temperatura máx. de funcionamiento, largo of 0 - 550 °C

Eléctrico

Property	Temperature	Value
Resistividad eléctrica	20.0 °C	2.21E-7 Ω·m Show Material materials with Resistividad eléctrica of 2.21E-7 Ω·m
	100.0 °C	2.72E-7 Ω·m Show Material materials with Resistividad eléctrica of 2.72E-7 Ω·m
	200.0 °C	3.44E-7 Ω·m Show Material materials with Resistividad eléctrica of 3.44E-7 Ω·m
	300.0 °C	4.28E-7 Ω·m Show Material materials with Resistividad eléctrica of 4.28E-7 Ω·m
	400.0 °C	5.26E-7 Ω·m Show Material materials with Resistividad eléctrica of 5.26E-7 Ω·m
	500.0 °C	6.39E-7 Ω·m Show Material materials with Resistividad eléctrica of 6.39E-7 Ω·m
	600.0 °C	7.7E-7 Ω·m Show Material materials with Resistividad eléctrica of 7.7E-7 Ω·m
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Chemical properties

Property	Value
Aluminio	0.01 % Show Material materials with Aluminio of 0.01 %
Azufre	0.007 - 0.018 % Show Material materials with Azufre of 0.007 - 0.018 %
Carbono	0.25 - 0.3 % Show Material materials with Carbono of 0.25 - 0.3 %
Cromo	1 - 1.4 % Show Material materials with Cromo of 1 - 1.4 %
Fósforo	0.01 - 0.02 % Show Material materials with Fósforo of 0.01 - 0.02 %
Manganeso	0.3 - 0.8 % Show Material materials with Manganeso of 0.3 - 0.8 %
Molibdeno	0.75 - 1 % Show Material materials with Molibdeno of 0.75 - 1 %
Níquel	0.5 - 0.75 % Show Material materials with Níquel of 0.5 - 0.75 %
Silicona	0.15 - 0.3 % Show Material materials with Silicona of 0.15 - 0.3 %
Vanadio	0.25 - 0.35 % Show Material materials with Vanadio of 0.25 - 0.35 %