EN 10269 X5CrNi18-10 Austenitic Stainless Steel – Solution Annealed with Annealing Treatment

X5CrNi18-10 as a standard type of the austenitic CrNi-steels is comparable to X 5 CrNi 18 10 acc. to DIN 17440-85. It shows high corrosion resistance but no resistance to intercrystalline corrosion in sensitized condition as well as good processability. The steel is suitable for mirror finishing and very well cold formable. Application for welded components in chemical apparatus engineering, in food and milk industry, for household appliances, in breweries, in architecture and vehicle construction as well as for pumps, compressors, fittings. Further application in water and slightly contaminated sewages. Applicable in pressure vessel construction up to 300 °C, above 300 °C subject to authorization. Working temperature: -200 to 550 °C X5CrNi18-10 is used in construction trade for decorative purposes in interior and exterior design, e.g. roof and wall elements, lining, washing facilities, washbasins in toilets, for doors and windows. This material is approved for load-bearing components (Extended approval certificate no. Z-30.44.1 of Institut für Bautechnik Berlin, dated 1 February 1994). In this approval certificate are compiled demands on material, calculation, consruction and monitoring. Strength grades E 225, E355 are common).

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Properties

General

Property	Temperature	Value
Density	20.0 °C	7.9 - 7.92 g/cm³

Mechanical

Property	Temperature	Value
Elastic modulus	-100.0 °C	206 GPa
	20.0 °C	196 - 200 GPa
	24.0 °C	194.4 - 196.5 GPa
	100.0 °C	190 - 194 GPa
	149.0 °C	188.2 - 189.6 GPa
	200.0 °C	182 - 186 GPa
	260.0 °C	182.7 - 184.1 GPa
	300.0 °C	174 - 179 GPa
	371.0 °C	173.1 - 177.9 GPa
	400.0 °C	166 - 172 GPa
	483.0 °C	157.9 - 160 GPa
	500.0 °C	158 - 165 GPa
	593.0 °C	149.6 - 155.8 GPa
	600.0 °C	150 GPa
	700.0 °C	142 GPa
	704.0 °C	137.9 - 144.8 GPa
	800.0 °C	134 GPa
	816.0 °C	120.7 - 128.2 GPa
Elongation	20.0 °C	45 %
Poisson's ratio	20.0 °C	0.28 [-]
	24.0 °C	0.24 - 0.25 [-]
	149.0 °C	0.27 - 0.3 [-]
	260.0 °C	0.29 - 0.32 [-]
	371.0 °C	0.32 [-]
	483.0 °C	0.27 - 0.29 [-]
	593.0 °C	0.29 - 0.3 [-]
	704.0 °C	0.27 - 0.3 [-]
	816.0 °C	0.23 - 0.27 [-]
Shear modulus	24.0 °C	78.6 GPa
	149.0 °C	72.4 - 74.5 GPa
	260.0 °C	69.6 - 71 GPa
	371.0 °C	65.5 - 67.6 GPa
	483.0 °C	62.1 GPa
	593.0 °C	57.9 - 60 GPa
	704.0 °C	54.5 - 55.9 GPa
	816.0 °C	49 - 50.3 GPa
Tensile strength	20.0 °C	500 - 700 MPa
	50.0 °C	480 MPa
	100.0 °C	450 MPa
	150.0 °C	420 MPa
	200.0 °C	400 MPa
	250.0 °C	390 MPa
	300.0 °C	380 MPa
	350.0 °C	380 MPa
	400.0 °C	380 MPa
	450.0 °C	375 MPa
	500.0 °C	360 MPa
	550.0 °C	335 MPa
	600.0 °C	300 MPa
Yield strength Rp0.2	20.0 °C	190 MPa
	50.0 °C	177 MPa
	100.0 °C	155 MPa
	150.0 °C	140 MPa
	200.0 °C	127 MPa
	250.0 °C	118 MPa
	300.0 °C	110 MPa
	350.0 °C	104 MPa
	400.0 °C	98 MPa
	450.0 °C	95 MPa
	500.0 °C	92 MPa
	550.0 °C	90 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	-100.0 °C	1.49E-5 1/K
	20.0 °C	1.61E-5 1/K
	100.0 °C	1.6E-5 - 1.67E-5 1/K
	200.0 °C	1.65E-5 - 1.72E-5 1/K
	300.0 °C	1.7E-5 - 1.77E-5 1/K
	400.0 °C	1.75E-5 - 1.81E-5 1/K
	500.0 °C	1.8E-5 - 1.84E-5 1/K
	600.0 °C	1.88E-5 1/K
	700.0 °C	1.91E-5 1/K
	800.0 °C	1.94E-5 1/K
Max service temperature, long		-200 - 550 °C
Melting point		1230 - 1480 °C	Typical for Austenitic Stainless Steel
Specific heat capacity	-100.0 °C	440 J/(kg·K)
	20.0 °C	472 - 500 J/(kg·K)
	100.0 °C	487 J/(kg·K)
	200.0 °C	503 J/(kg·K)
	300.0 °C	512 J/(kg·K)
	400.0 °C	520 J/(kg·K)
	500.0 °C	530 J/(kg·K)
	600.0 °C	541 J/(kg·K)
	700.0 °C	551 J/(kg·K)
	800.0 °C	559 J/(kg·K)
Thermal conductivity	-100.0 °C	11.7 W/(m·K)
	20.0 °C	14.5 - 15 W/(m·K)
	100.0 °C	16 W/(m·K)
	200.0 °C	17.6 W/(m·K)
	300.0 °C	19.1 W/(m·K)
	400.0 °C	20.4 W/(m·K)
	500.0 °C	21.9 W/(m·K)
	600.0 °C	23.3 W/(m·K)
	700.0 °C	24.7 W/(m·K)
	800.0 °C	26.1 W/(m·K)
Thermal diffusivity	-100.0 °C	3.7 mm²/s
	20.0 °C	3.9 mm²/s
	100.0 °C	4.3 mm²/s
	200.0 °C	4.3 mm²/s
	300.0 °C	4.6 mm²/s
	400.0 °C	4.7 mm²/s
	500.0 °C	4.9 mm²/s
	600.0 °C	5 mm²/s
	700.0 °C	5.3 mm²/s
	800.0 °C	5.7 mm²/s

Electrical

Property	Temperature	Value
Electrical resistivity	-100.0 °C	5.86E-7 Ω·m
	20.0 °C	6.92E-7 - 7.3E-7 Ω·m
	100.0 °C	7.58E-7 Ω·m
	200.0 °C	8.36E-7 Ω·m
	300.0 °C	9.07E-7 Ω·m
	400.0 °C	9.73E-7 Ω·m
	500.0 °C	1.02E-6 Ω·m
	600.0 °C	1.06E-6 Ω·m
	700.0 °C	1.1E-6 Ω·m
	800.0 °C	1.13E-6 Ω·m

Chemical properties

Property	Value
Carbon	0.07 %
Chromium	17 - 19.5 %
Manganese	2 %
Nickel	8 - 10.5 %
Nitrogen	0.1 %
Phosphorus	0.05 %
Silicon	1 %
Sulfur	0.015 - 0.03 %