Industeel URANUS® B6 Multipurpose Austenitic Stainless Steel with PREN = 34

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Industeel URANUS® B6 Multipurpose Austenitic Stainless Steel with PREN = 34
Categories:	Metal; Ferrous Metal; Austenitic; Stainless Steel; T 600 Series Stainless Steel
Material Notes:	Description: URANUS® B6 (904L) is a multipurpose 20 Cr - 4.3 Mo high corrosion resistance austenitic stainless steel developed 40 years ago by CLI. The UR B6N is alloyed with nitrogen (~ 0.13%) to increase its structure stability and corrosion resistance. Due to combined additions of chromium (20%), molybdenum (4.3%), copper (1.5%) combined with its high nickel content, the grade is recommended for most applications dealing with medium to severe corrosive solutions. UR B6 has improved stress corrosion resistance properties. UR B6 alloy is particularly used in sulphuric and phosphoric acids applications. The localized corrosion resistance of UR B6N grade is much higher than that of alloy 825. UR B6N is particularly well adapted to clad plates applications (separators). Information provided by manufacturer.
Key Words:	EN 10088 - EN 10028.7 X1 Ni Cr Mo Cu 25.20.5 - 1.4539, AFNOR Z2 NCDU 25.20 (AZ), DIN W. Nr 1.4539, ASTM B 625 - UNS N08904
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Physical Properties	Original Value	Comments

Density	8.05 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	160 - 210	Typical, V₁₀
Tensile Strength, Ultimate	>= 550 MPa	Minimum Guaranteed
Tensile Strength, Yield	>= 245 MPa @Strain 0.2 %
	>= 275 MPa @Strain 1 %
Elongation at Break	>= 40 %
Modulus of Elasticity	200 GPa
Poissons Ratio	0.333	Calculated
Shear Modulus	75.0 GPa @Temperature 20.0 °C
Charpy Impact	>= 100 J @Temperature -196 °C

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000800 ohm-cm @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	15.0 µm/m-°C @Temperature 20.0 - 100 °C
	16.0 µm/m-°C @Temperature 20.0 - 300 °C
	17.0 µm/m-°C @Temperature 20.0 - 500 °C
Specific Heat Capacity	0.500 J/g-°C @Temperature 20.0 °C
Thermal Conductivity	17.0 W/m-K @Temperature 20.0 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.020 %
Chromium, Cr	20 %
Copper, Cu	1.5 %
Iron, Fe	49.18 %	As remainder
Molybdenum, Mo	4.3 %
Nickel, Ni	25 %

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NINDUST40 / 17578

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