DIN 17742 Grade NiCr15Fe soft annealed (+A)

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Description

According to VdTÜV-Wbl 305 : 1999-03, the material NiCr15Fe with the material number 2.4816 is used for pressure vessels according to TRB 100 and, with interpreting the AD-Merkblatt W 2 faithfully to its meaning, for temperatures from -10 to 450 degrees as well as for ranges of applications in nuclear engineering as far as the rules of nuclear engineering or the object-related specifications permit the use of - 10 to 450 °C. The weldability is given for metal-arc welding with covered rod electrodes (2.4805, 2.4807, also 2.4668 and 2.4620) or gas-shielded welding with (wire) rods (2.4806, 2.4803). No preheating and no heat-treatment necessary. For construction purpose an heat-treatment could be necessary after after welding. It is cold and hot formable and above 400 deg. sensitive to S. The following is valid for the nickel-wrought material according to DIN 17742 : 2002-09 : the material is applied in the form of strips, sheets, tubes, bars, wires and forgings for heat-resistant and corrosion-resistant construction components. It is a non-hardenable alloy for the application in the wet-chemical field and at high temperaures. The versatility of this material leads to a large field of application from the low-temperature range up to approximately 1050 °C. The chromium content renders the material applicable for oxidizing conditions, and the high nickel content provides durability in reducing conditions. Additionally, the alloy shows outstanding properties in ammonia-containing gases as well as in nitriding or carbonizing atmospheres at high temperatures, too. The metal-removing machining of this material is to be performed preferably in the annealed condition. (Low cutting speed, since the Ni-alloy has a tendency towards strain hardening.) Owing to the great high-temperature tensile strength and the corrosion-resistance at elevated temperatures as well as the good processability, the material is the standard material for the furnace construction. NiCr15Fe possesses a good resistance to stress cracking corrosion in the presence of chloride ions. In the chemical engineering, the material proves worthwile being used in sodium hydroxide, formic acid, acetic acid and fatty acids. At temperatures of up to 550 °C, NiCr15Fe is suitable for dry gases like hydrogen chloride or chlorine gas. The good durability in high-purity water permits the application of this material in the nuclear engineering. Application for ammoina-splitting plants, gas carbonizing plants, nitriding furnaces, plants for the production of chlorinated and fluorinated hydrocarbons, ethylene-dichloride cracking tubes, production plants for alkalis, reactors and heat exchangers in plants for the production of vinyl chlorides, plant components for the production of sodium sulfide, steam generator tubes in the nuclear engineering. Processing properties: Formability: good Weldability: good Metal-removing machinability: good

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

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

8.4 - 8.5 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

214 GPa

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100.0 °C

209 GPa

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200.0 °C

205 GPa

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300.0 °C

200 GPa

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400.0 °C

194 GPa

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500.0 °C

187 GPa

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600.0 °C

180 GPa

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700.0 °C

172 GPa

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800.0 °C

163 GPa

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900.0 °C

153 GPa

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1000.0 °C

143 GPa

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Elongation

20.0 °C

30 %

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Elongation A100

20.0 °C

10 - 25 %

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Elongation A80

20.0 °C

27 %

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Elongation A80, transverse

20.0 °C

27 - 32 %

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Elongation, transverse

20.0 °C

30 - 35 %

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Hardness, Brinell

20.0 °C

195 - 240 [-]

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Tensile strength

20.0 °C

550 - 750 MPa

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100.0 °C

520 MPa

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200.0 °C

500 MPa

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300.0 °C

485 MPa

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400.0 °C

480 MPa

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450.0 °C

475 MPa

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Tensile strength, transverse

20.0 °C

500 - 750 MPa

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Yield strength Rp0.2

20.0 °C

200 MPa

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100.0 °C

180 MPa

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200.0 °C

165 MPa

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300.0 °C

155 MPa

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400.0 °C

150 MPa

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450.0 °C

145 MPa

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Yield strength Rp0.2, transverse

20.0 °C

180 - 200 MPa

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Yield strength Rp1.0

20.0 °C

230 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.37E-5 1/K

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200.0 °C

1.41E-5 1/K

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300.0 °C

1.44E-5 1/K

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400.0 °C

1.48E-5 1/K

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500.0 °C

1.51E-5 1/K

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600.0 °C

1.54E-5 1/K

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700.0 °C

1.58E-5 1/K

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800.0 °C

1.61E-5 1/K

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900.0 °C

1.64E-5 1/K

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1000.0 °C

1.69E-5 1/K

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Max service temperature, long

-196 - 1150 °C

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Melting point

1400 °C

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Typical for Nickel Chromium Alloy

Specific heat capacity

20.0 °C

455 J/(kg·K)

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100.0 °C

475 J/(kg·K)

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200.0 °C

495 J/(kg·K)

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300.0 °C

508 J/(kg·K)

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400.0 °C

525 J/(kg·K)

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500.0 °C

550 J/(kg·K)

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600.0 °C

572 J/(kg·K)

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700.0 °C

602 J/(kg·K)

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800.0 °C

620 J/(kg·K)

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900.0 °C

630 J/(kg·K)

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1000.0 °C

635 J/(kg·K)

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Thermal conductivity

20.0 °C

14.8 W/(m·K)

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100.0 °C

15.8 W/(m·K)

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200.0 °C

17 W/(m·K)

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300.0 °C

18.4 W/(m·K)

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400.0 °C

20 W/(m·K)

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500.0 °C

22 W/(m·K)

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600.0 °C

24 W/(m·K)

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700.0 °C

25.7 W/(m·K)

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800.0 °C

27.5 W/(m·K)

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900.0 °C

29.4 W/(m·K)

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1000.0 °C

31.2 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.03E-6 Ω·m

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100.0 °C

1.04E-6 Ω·m

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200.0 °C

1.06E-6 Ω·m

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300.0 °C

1.07E-6 Ω·m

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400.0 °C

1.08E-6 Ω·m

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500.0 °C

1.11E-6 Ω·m

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600.0 °C

1.12E-6 Ω·m

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700.0 °C

1.12E-6 Ω·m

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800.0 °C

1.12E-6 Ω·m

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900.0 °C

1.13E-6 Ω·m

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1000.0 °C

1.14E-6 Ω·m

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Chemical properties

PropertyValue

Aluminium

0.3 %

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Carbon

0.025 - 0.1 %

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Chromium

14 - 17 %

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Copper

0.5 %

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Iron

6 - 10 %

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Manganese

1 %

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Nickel

72 %

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Phosphorus

0.02 %

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Silicon

0.5 %

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Sulfur

0.015 %

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Titanium

0.3 %

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