Sandvik 20.25.5.LCu Welding wire

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Sandvik 20.25.5.LCu Welding wire
Categories:	Metal; Ferrous Metal; Alloy Steel
Material Notes:	Sandvik 20.25.5.LCu welding wire is suitable for joining steels of the 20Cr/25Ni/4.5Mo/1.5Cu type for example Sandvik 2RK65 used in many areas of the process industry, such as in the production of acetic acid, sulphuric acid, terephthalic or tartaric acid and vinyl chloride. It is also suitable for use in cooling operations involving sea water or heavily polluted river water. This grade can be used for MIG, TIG, plasma arc and submerged arc welding. Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	8.10 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	160
Tensile Strength, Ultimate	410 MPa @Temperature 40.0 °C
	540 MPa @Temperature 20.0 °C
Tensile Strength, Yield	250 MPa @Strain 0.2 %, Temperature 400 °C
	320 MPa @Strain 0.2 %, Temperature 20.0 °C
Elongation at Break	29 % @Temperature 400 °C
	37 % @Temperature 20.0 °C
Reduction of Area	60 %
Charpy Impact	100 J @Temperature -196 °C
	120 J @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	17.0 µm/m-°C @Temperature 20.0 - 400 °C
Thermal Conductivity	13.0 W/m-K

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.020 %	Filler metal
	<= 0.020 %	All-weld metal
Chromium, Cr	19.5 %	All-weld metal
	20 %	Filler metal
Copper, Cu	1.5 %	Filler metal
	1.5 %	All-weld metal
Manganese, Mn	1.5 %	All-weld metal
	1.8 %	Filler metal
Molybdenum, Mo	4.5 %	Filler metal
	4.5 %	All-weld metal
Nickel, Ni	25 %	Filler metal
	25 %	All-weld metal
Phosphorus, P	<= 0.015 %	Filler metal
	<= 0.015 %	All-weld metal
Silicon, Si	0.40 %	Filler metal
	0.40 %	All-weld metal
Sulfur, S	<= 0.015 %	Filler metal
	<= 0.015 %	All-weld metal

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NSANDV5105 / 199669

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