DIN 17744 Grade NiCr21Mo soft annealed (+A)

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Description

According to the VdTÜV-Werkstoffblatt editions VdTÜV-Wbl 432-1 : 1999-06 (sheet metal, strip metal), VdTÜV-Wbl 432-2 : 1999-03 (seamless tube) and VdTÜV-Wbl 432-3 : 1999-06 (bar steel, forging) as well as VdTÜV 541 : 2001-06 (seamless compound pipes, coating material), the material NiCr21Mo with the material number 2.4858 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. The highly corrosion-resistant nickel alloy is used in the nuclear engineering as far as the rules of nuclear engineering or the object-related specifications permit the use of - 10 to 450 °C. With observance of the generally acknowledged rules of technology, the suitability for welding of the nickel alloy is approved for metal-arc welding and gas-shielded arc welding (short arc). A heat treatment is not necessary, a preheating - except for the removal of condensed moisture - ought to be omitted. The maximum holding temperature is 200 °C. The material is cold- and hot-formable and, in accordance with DIN 50914, it is resistant to intercrystalline corrosion in the welded condition, too. The maximum eroding rate in the Huey-test is 0,6 mm/year (mean value of the 5 testing periods) in the as-delivered condition. The following is valid for the material according to DIN 17744 : 2002-09: the nickel alloy is applied in the form of strips, sheets, tubes, bars, wires and forgings for corrosion-resistant construction components. The alloy possesses very good resistance to reducing as well as to oxidizing acids, to stress cracking corrosion as well as to pitting and crevice corrosion. It has proven outstandingly worthwile in solutions of sulphuric and phosphoric acid. Applications for the chemical manufacturing technology, for plants for the prevention of air pollution, for tubes for the extraction of oil and gas, for the recycling of nuclear fuel assemblies, for the acid production for cellulose digesters in the paper industry as well as for pickling facilities. Processing properties: Formability: good Weldability: good (Werkstoffblatt/Wbl: material specification Merkblatt: specification sheet)

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Equivalent Materials

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VDM METALS

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Eigenschaften

Allgemein

Property	Temperature	Value
Dichte	20.0 °C	8.05 - 8.1 g/cm³ Show Material materials with Dichte of 8.05 - 8.1 g/cm³

Mechanisch

Property	Temperature	Value
Dehnung	20.0 °C	30 - 35 % Show Material materials with Dehnung of 30 - 35 %
Dehnung, transversal	20.0 °C	30 % Show Material materials with Dehnung, transversal of 30 %
Elastizitätsmodul	20.0 °C	195 GPa Show Material materials with Elastizitätsmodul of 195 GPa
	100.0 °C	190 GPa Show Material materials with Elastizitätsmodul of 190 GPa
	200.0 °C	185 GPa Show Material materials with Elastizitätsmodul of 185 GPa
	300.0 °C	179 GPa Show Material materials with Elastizitätsmodul of 179 GPa
	400.0 °C	174 GPa Show Material materials with Elastizitätsmodul of 174 GPa
	500.0 °C	168 GPa Show Material materials with Elastizitätsmodul of 168 GPa
	600.0 °C	161 GPa Show Material materials with Elastizitätsmodul of 161 GPa
	700.0 °C	154 GPa Show Material materials with Elastizitätsmodul of 154 GPa
	800.0 °C	142 GPa Show Material materials with Elastizitätsmodul of 142 GPa
	900.0 °C	130 GPa Show Material materials with Elastizitätsmodul of 130 GPa
	1000.0 °C	119 GPa Show Material materials with Elastizitätsmodul of 119 GPa

Elongation A100	20.0 °C	20 - 30 % Show Material materials with Elongation A100 of 20 - 30 %
Härte, Brinell	20.0 °C	190 - 210 [-] Show Material materials with Härte, Brinell of 190 - 210 [-]
Streckgrenze Rp 0,2	20.0 °C	220 - 240 MPa Show Material materials with Streckgrenze Rp 0,2 of 220 - 240 MPa
	100.0 °C	190 - 205 MPa Show Material materials with Streckgrenze Rp 0,2 of 190 - 205 MPa
	150.0 °C	175 - 190 MPa Show Material materials with Streckgrenze Rp 0,2 of 175 - 190 MPa
	200.0 °C	165 - 180 MPa Show Material materials with Streckgrenze Rp 0,2 of 165 - 180 MPa
	250.0 °C	160 - 175 MPa Show Material materials with Streckgrenze Rp 0,2 of 160 - 175 MPa
	300.0 °C	155 - 170 MPa Show Material materials with Streckgrenze Rp 0,2 of 155 - 170 MPa
	350.0 °C	150 - 165 MPa Show Material materials with Streckgrenze Rp 0,2 of 150 - 165 MPa
	400.0 °C	145 - 160 MPa Show Material materials with Streckgrenze Rp 0,2 of 145 - 160 MPa
	450.0 °C	140 - 155 MPa Show Material materials with Streckgrenze Rp 0,2 of 140 - 155 MPa
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Streckgrenze Rp 0,2, transversal	20.0 °C	220 - 235 MPa Show Material materials with Streckgrenze Rp 0,2, transversal of 220 - 235 MPa
Streckgrenze Rp 1,0	20.0 °C	250 - 270 MPa Show Material materials with Streckgrenze Rp 1,0 of 250 - 270 MPa
	100.0 °C	220 - 235 MPa Show Material materials with Streckgrenze Rp 1,0 of 220 - 235 MPa
	150.0 °C	205 - 220 MPa Show Material materials with Streckgrenze Rp 1,0 of 205 - 220 MPa
	200.0 °C	190 - 205 MPa Show Material materials with Streckgrenze Rp 1,0 of 190 - 205 MPa
	250.0 °C	185 - 200 MPa Show Material materials with Streckgrenze Rp 1,0 of 185 - 200 MPa
	300.0 °C	180 - 195 MPa Show Material materials with Streckgrenze Rp 1,0 of 180 - 195 MPa
	350.0 °C	175 - 190 MPa Show Material materials with Streckgrenze Rp 1,0 of 175 - 190 MPa
	400.0 °C	170 - 185 MPa Show Material materials with Streckgrenze Rp 1,0 of 170 - 185 MPa
	450.0 °C	165 - 180 MPa Show Material materials with Streckgrenze Rp 1,0 of 165 - 180 MPa
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Streckgrenze Rp 1,0, transversal	20.0 °C	250 - 265 MPa Show Material materials with Streckgrenze Rp 1,0, transversal of 250 - 265 MPa
Zugfestigkeit	20.0 °C	500 - 750 MPa Show Material materials with Zugfestigkeit of 500 - 750 MPa
	100.0 °C	520 - 530 MPa Show Material materials with Zugfestigkeit of 520 - 530 MPa
	200.0 °C	490 - 515 MPa Show Material materials with Zugfestigkeit of 490 - 515 MPa
	300.0 °C	480 - 500 MPa Show Material materials with Zugfestigkeit of 480 - 500 MPa
	400.0 °C	470 - 490 MPa Show Material materials with Zugfestigkeit of 470 - 490 MPa
	450.0 °C	465 - 485 MPa Show Material materials with Zugfestigkeit of 465 - 485 MPa
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Zugfestigkeit, transversal	20.0 °C	550 - 750 MPa Show Material materials with Zugfestigkeit, transversal of 550 - 750 MPa

Thermisch

Property	Temperature	Value	Comment
Koeffizient der thermischen Ausdehnung	100.0 °C	1.41E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.41E-5 1/K
	200.0 °C	1.49E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.49E-5 1/K
	300.0 °C	1.52E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.52E-5 1/K
	400.0 °C	1.56E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.56E-5 1/K
	500.0 °C	1.58E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.58E-5 1/K
	600.0 °C	1.6E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.6E-5 1/K
	700.0 °C	1.67E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.67E-5 1/K
	800.0 °C	1.72E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.72E-5 1/K
	900.0 °C	1.76E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.76E-5 1/K
	1000.0 °C	1.79E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.79E-5 1/K
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Max. Betriebstemperatur, lang		-10 - 450 °C Show Material materials with Max. Betriebstemperatur, lang of -10 - 450 °C
Schmelzpunkt		1200 - 1480 °C Show Material materials with Schmelzpunkt of 1200 - 1480 °C	Typical for Nickel Chromium Iron Alloy
Spezifische Wärmekapazität	20.0 °C	440 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 440 J/(kg·K)
	100.0 °C	462 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 462 J/(kg·K)
	200.0 °C	488 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 488 J/(kg·K)
	300.0 °C	514 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 514 J/(kg·K)
	400.0 °C	540 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 540 J/(kg·K)
	500.0 °C	565 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 565 J/(kg·K)
	600.0 °C	590 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 590 J/(kg·K)
	700.0 °C	615 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 615 J/(kg·K)
	800.0 °C	655 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 655 J/(kg·K)
	900.0 °C	680 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 680 J/(kg·K)
	1000.0 °C	710 J/(kg·K) Show Material materials with Spezifische Wärmekapazität of 710 J/(kg·K)
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Wärmeleitfähigkeit	20.0 °C	10.8 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 10.8 W/(m·K)
	100.0 °C	12.4 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 12.4 W/(m·K)
	200.0 °C	14.1 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 14.1 W/(m·K)
	300.0 °C	15.6 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 15.6 W/(m·K)
	400.0 °C	16.9 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 16.9 W/(m·K)
	500.0 °C	18.3 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 18.3 W/(m·K)
	600.0 °C	19.6 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 19.6 W/(m·K)
	700.0 °C	21 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 21 W/(m·K)
	800.0 °C	23.2 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 23.2 W/(m·K)
	900.0 °C	25.7 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 25.7 W/(m·K)
	1000.0 °C	28.1 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 28.1 W/(m·K)
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Elektrisch

Property	Temperature	Value
spezifischer Widerstand	20.0 °C	1.12E-6 Ω·m Show Material materials with spezifischer Widerstand of 1.12E-6 Ω·m
	100.0 °C	1.14E-6 Ω·m Show Material materials with spezifischer Widerstand of 1.14E-6 Ω·m
	200.0 °C	1.18E-6 Ω·m Show Material materials with spezifischer Widerstand of 1.18E-6 Ω·m
	300.0 °C	1.2E-6 Ω·m Show Material materials with spezifischer Widerstand of 1.2E-6 Ω·m
	400.0 °C	1.24E-6 Ω·m Show Material materials with spezifischer Widerstand of 1.24E-6 Ω·m
	500.0 °C	1.26E-6 Ω·m Show Material materials with spezifischer Widerstand of 1.26E-6 Ω·m
	600.0 °C	1.26E-6 Ω·m Show Material materials with spezifischer Widerstand of 1.26E-6 Ω·m
	700.0 °C	1.27E-6 Ω·m Show Material materials with spezifischer Widerstand of 1.27E-6 Ω·m
	800.0 °C	1.28E-6 Ω·m Show Material materials with spezifischer Widerstand of 1.28E-6 Ω·m
	900.0 °C	1.29E-6 Ω·m Show Material materials with spezifischer Widerstand of 1.29E-6 Ω·m
	1000.0 °C	1.3E-6 Ω·m Show Material materials with spezifischer Widerstand of 1.3E-6 Ω·m
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Chemical properties

Property	Value
Aluminium	0.2 % Show Material materials with Aluminium of 0.2 %
Chrom	19.5 - 23.5 % Show Material materials with Chrom of 19.5 - 23.5 %
Eisen	20.04 % Show Material materials with Eisen of 20.04 %
Kobalt	1 % Show Material materials with Kobalt of 1 %
Kohlenstoff	0.025 % Show Material materials with Kohlenstoff of 0.025 %
Kupfer	1.5 - 3 % Show Material materials with Kupfer of 1.5 - 3 %
Mangan	1 % Show Material materials with Mangan of 1 %
Molybdän	2.5 - 3.5 % Show Material materials with Molybdän of 2.5 - 3.5 %
Nickel	38 - 46 % Show Material materials with Nickel of 38 - 46 %
Phosphor	0.02 % Show Material materials with Phosphor of 0.02 %
Schwefel	0.01 - 0.015 % Show Material materials with Schwefel of 0.01 - 0.015 %
Silizium	0.5 % Show Material materials with Silizium of 0.5 %
Titan	0.6 - 1.2 % Show Material materials with Titan of 0.6 - 1.2 %

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