SEW 555 Grade 27NiCrMoV11-6 quenched and tempered (+QT)

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Description

The high temperature alloy steel 27NiCrMoV11-6 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

This material data has been provided by WIAM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

Property	Temperature	Value
Density	20.0 °C	7.8 - 7.85 g/cm³ Show Material materials with Density of 7.8 - 7.85 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	-100.0 °C	217 GPa Show Material materials with Elastic modulus of 217 GPa
	20.0 °C	212 GPa Show Material materials with Elastic modulus of 212 GPa
	100.0 °C	207 GPa Show Material materials with Elastic modulus of 207 GPa
	200.0 °C	199 GPa Show Material materials with Elastic modulus of 199 GPa
	300.0 °C	192 GPa Show Material materials with Elastic modulus of 192 GPa
	400.0 °C	184 GPa Show Material materials with Elastic modulus of 184 GPa
	500.0 °C	175 GPa Show Material materials with Elastic modulus of 175 GPa
	600.0 °C	164 GPa Show Material materials with Elastic modulus of 164 GPa

Elongation, transverse	20.0 °C	11 - 13 % Show Material materials with Elongation, transverse of 11 - 13 %
Poisson's ratio	23.0 °C	0.3 [-] Show Material materials with Poisson's ratio of 0.3 [-]	Typical for Steel
Reduction of area, transverse	20.0 °C	40 % Show Material materials with Reduction of area, transverse of 40 %
Tensile strength, transverse	20.0 °C	750 - 1050 MPa Show Material materials with Tensile strength, transverse of 750 - 1050 MPa
Yield strength Rp0.2	100.0 °C	570 - 710 MPa Show Material materials with Yield strength Rp0.2 of 570 - 710 MPa
	200.0 °C	545 - 675 MPa Show Material materials with Yield strength Rp0.2 of 545 - 675 MPa
	250.0 °C	530 - 650 MPa Show Material materials with Yield strength Rp0.2 of 530 - 650 MPa
	300.0 °C	510 - 630 MPa Show Material materials with Yield strength Rp0.2 of 510 - 630 MPa
	350.0 °C	485 - 600 MPa Show Material materials with Yield strength Rp0.2 of 485 - 600 MPa
	400.0 °C	450 - 555 MPa Show Material materials with Yield strength Rp0.2 of 450 - 555 MPa
	450.0 °C	400 - 505 MPa Show Material materials with Yield strength Rp0.2 of 400 - 505 MPa
	500.0 °C	340 - 445 MPa Show Material materials with Yield strength Rp0.2 of 340 - 445 MPa
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Yield strength Rp0.2, transverse	20.0 °C	600 - 750 MPa Show Material materials with Yield strength Rp0.2, transverse of 600 - 750 MPa

Thermal

Property	Temperature	Value
Coefficient of thermal expansion	-100.0 °C	1.05E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.05E-5 1/K
	20.0 °C	1.15E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.15E-5 1/K
	100.0 °C	1.21E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.21E-5 1/K
	200.0 °C	1.27E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.27E-5 1/K
	300.0 °C	1.32E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.32E-5 1/K
	400.0 °C	1.36E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.36E-5 1/K
	500.0 °C	1.4E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.4E-5 1/K
	600.0 °C	1.44E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.44E-5 1/K
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Specific heat capacity	-100.0 °C	423 J/(kg·K) Show Material materials with Specific heat capacity of 423 J/(kg·K)
	20.0 °C	461 J/(kg·K) Show Material materials with Specific heat capacity of 461 J/(kg·K)
	100.0 °C	479 J/(kg·K) Show Material materials with Specific heat capacity of 479 J/(kg·K)
	200.0 °C	499 J/(kg·K) Show Material materials with Specific heat capacity of 499 J/(kg·K)
	300.0 °C	517 J/(kg·K) Show Material materials with Specific heat capacity of 517 J/(kg·K)
	400.0 °C	536 J/(kg·K) Show Material materials with Specific heat capacity of 536 J/(kg·K)
	500.0 °C	558 J/(kg·K) Show Material materials with Specific heat capacity of 558 J/(kg·K)
	600.0 °C	587 J/(kg·K) Show Material materials with Specific heat capacity of 587 J/(kg·K)
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Thermal conductivity	20.0 °C	33.7 W/(m·K) Show Material materials with Thermal conductivity of 33.7 W/(m·K)
	100.0 °C	36.2 W/(m·K) Show Material materials with Thermal conductivity of 36.2 W/(m·K)
	200.0 °C	37.8 W/(m·K) Show Material materials with Thermal conductivity of 37.8 W/(m·K)
	300.0 °C	37.2 W/(m·K) Show Material materials with Thermal conductivity of 37.2 W/(m·K)
	400.0 °C	35.7 W/(m·K) Show Material materials with Thermal conductivity of 35.7 W/(m·K)
	500.0 °C	34 W/(m·K) Show Material materials with Thermal conductivity of 34 W/(m·K)
	600.0 °C	32 W/(m·K) Show Material materials with Thermal conductivity of 32 W/(m·K)
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Thermal diffusivity	20.0 °C	9.4 mm²/s Show Material materials with Thermal diffusivity of 9.4 mm²/s
	100.0 °C	9.4 mm²/s Show Material materials with Thermal diffusivity of 9.4 mm²/s
	200.0 °C	9.2 mm²/s Show Material materials with Thermal diffusivity of 9.2 mm²/s
	300.0 °C	8.5 mm²/s Show Material materials with Thermal diffusivity of 8.5 mm²/s
	400.0 °C	7.6 mm²/s Show Material materials with Thermal diffusivity of 7.6 mm²/s
	500.0 °C	6.6 mm²/s Show Material materials with Thermal diffusivity of 6.6 mm²/s
	600.0 °C	5.4 mm²/s Show Material materials with Thermal diffusivity of 5.4 mm²/s
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Electrical

Property	Temperature	Value
Electrical resistivity	20.0 °C	3.09E-7 Ω·m Show Material materials with Electrical resistivity of 3.09E-7 Ω·m
	100.0 °C	3.54E-7 Ω·m Show Material materials with Electrical resistivity of 3.54E-7 Ω·m
	200.0 °C	4.18E-7 Ω·m Show Material materials with Electrical resistivity of 4.18E-7 Ω·m
	300.0 °C	5.05E-7 Ω·m Show Material materials with Electrical resistivity of 5.05E-7 Ω·m
	400.0 °C	6.09E-7 Ω·m Show Material materials with Electrical resistivity of 6.09E-7 Ω·m
	500.0 °C	7.27E-7 Ω·m Show Material materials with Electrical resistivity of 7.27E-7 Ω·m
	600.0 °C	8.67E-7 Ω·m Show Material materials with Electrical resistivity of 8.67E-7 Ω·m
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Chemical properties

Property	Value
Carbon	0.22 - 0.32 % Show Material materials with Carbon of 0.22 - 0.32 %
Chromium	1.2 - 1.8 % Show Material materials with Chromium of 1.2 - 1.8 %
Manganese	0.15 - 0.4 % Show Material materials with Manganese of 0.15 - 0.4 %
Molybdenum	0.25 - 0.45 % Show Material materials with Molybdenum of 0.25 - 0.45 %
Nickel	2.4 - 3.1 % Show Material materials with Nickel of 2.4 - 3.1 %
Phosphorus	0.01 % Show Material materials with Phosphorus of 0.01 %
Silicon	0.15 % Show Material materials with Silicon of 0.15 %
Sulfur	7E-3 % Show Material materials with Sulfur of 7E-3 %
Vanadium	0.05 - 0.15 % Show Material materials with Vanadium of 0.05 - 0.15 %

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