DIN 1626 Grade USt 37.0 normalized or normalized formed (+N)

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Description

Welded steel tubes made of USt 37.0 are used in the mechanical engineering, vessel construction, line building and apparatus construction. The permitted working temperature and the allowed operating pressure are defined in subject to the inspection certificate: outer diameter: <=219,1 mm allowed operating pressure [bar]: 64 allowed operating temperature [°C]: max. 300 for delivery with certificate: DIN 50049-2.2 outer diameter: 219,1< d <= 660 mm allowed operating pressure [bar]: 25 allowed operating pressure [°C]: max. 300 for delivery with certificate: DIN 50049-2.2 outer diameter: d > 660 mm allowed operating pressure [bar]: 16 allowed operating pressure [°C]: max. 300 for delivery with certificate: DIN 50049-2.2 outer diameter: all allowed operating pressure [bar]: 160 allowed operating pressure [°C]: max. 300 for delivery with certificate: DIN 50049-3.1 A or B or C Other application limits possible by other technical regulations like TRD, TRB, AD-Merkblätter. The weldability is given for gas welding, arc welding, flash welding, electrical pressure welding and gas pressure welding.

Related Standards

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

PropertyTemperatureValue

Density

20.0 °C

7.85 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

217 GPa

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20.0 °C

212 GPa

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100.0 °C

207 GPa

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200.0 °C

199 GPa

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300.0 °C

192 GPa

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400.0 °C

184 GPa

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500.0 °C

175 GPa

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600.0 °C

164 GPa

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Elongation

20.0 °C

25 %

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Elongation, transverse

20.0 °C

23 %

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Poisson's ratio

20.0 °C

0.28 [-]

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Shear modulus

23.0 °C

82 GPa

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Typical for Low Carbon Steel

Tensile strength

20.0 °C

350 - 480 MPa

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Tensile strength, transverse

20.0 °C

350 - 480 MPa

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Yield strength

20.0 °C

235 MPa

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Yield strength Rp0.2

50.0 °C

235 MPa

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200.0 °C

185 MPa

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250.0 °C

165 MPa

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300.0 °C

140 MPa

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Yield strength, transverse

20.0 °C

235 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.08E-5 1/K

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20.0 °C

1.19E-5 1/K

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100.0 °C

1.25E-5 1/K

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200.0 °C

1.3E-5 1/K

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300.0 °C

1.36E-5 1/K

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400.0 °C

1.41E-5 1/K

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500.0 °C

1.45E-5 1/K

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600.0 °C

1.49E-5 1/K

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Max service temperature

500 °C

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Typical for Carbon Steel

Max service temperature, long

0 - 300 °C

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Melting point

1480 - 1526 °C

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Typical for Low Carbon Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

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20.0 °C

461 J/(kg·K)

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100.0 °C

479 J/(kg·K)

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200.0 °C

499 J/(kg·K)

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300.0 °C

517 J/(kg·K)

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400.0 °C

536 J/(kg·K)

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500.0 °C

558 J/(kg·K)

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600.0 °C

587 J/(kg·K)

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Thermal conductivity

20.0 °C

56.9 W/(m·K)

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100.0 °C

56.4 W/(m·K)

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200.0 °C

53.5 W/(m·K)

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300.0 °C

49.4 W/(m·K)

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400.0 °C

45.2 W/(m·K)

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500.0 °C

41.3 W/(m·K)

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600.0 °C

37.6 W/(m·K)

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Thermal diffusivity

20.0 °C

15.7 mm²/s

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100.0 °C

14.5 mm²/s

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200.0 °C

12.9 mm²/s

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300.0 °C

11.2 mm²/s

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400.0 °C

9.6 mm²/s

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500.0 °C

7.9 mm²/s

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600.0 °C

6.3 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.83E-7 Ω·m

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100.0 °C

2.27E-7 Ω·m

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200.0 °C

2.95E-7 Ω·m

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300.0 °C

3.8E-7 Ω·m

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400.0 °C

4.81E-7 Ω·m

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500.0 °C

5.99E-7 Ω·m

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600.0 °C

7.38E-7 Ω·m

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Magnetic

PropertyValueComment

Curie temperature

770 °C

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Typical for Low Carbon Steel

Chemical properties

PropertyValue

Carbon

0.2 %

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Nitrogen

7E-3 %

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Phosphorus

0.04 %

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Sulfur

0.04 %

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