Sandvik 25.20.C Welding wire

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Sandvik 25.20.C Welding wire
Categories:	Metal; Ferrous Metal; Alloy Steel
Material Notes:	Sandvik 25.20.C is a filler material suitable for joining heat resistant austenitic steels of the 25 Cr/20 Ni type. It can be used in air up to about 1100°C (2010°F), in oxidizing sulphurous atmospheres up to 1050°C (1920°F) and in reducing sulphurous atmospheres up to 650°C (1200°F). Sandvik 25.20.C has moderate creep strength and structure stability. Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	160
Tensile Strength, Ultimate	490 MPa @Temperature 400 °C
	590 MPa @Temperature 20.0 °C
Tensile Strength, Yield	250 MPa @Strain 0.2 %, Temperature 400 °C
	390 MPa @Strain 0.2 %, Temperature 20.0 °C
Elongation at Break	26 % @Temperature 400 °C
	38 % @Temperature 20.0 °C
Reduction of Area	64 %
Charpy Impact	60.0 J @Temperature -196 °C
	130 J @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	19.7 µm/m-°C @Temperature 20.0 - 400 °C
Thermal Conductivity	12.0 W/m-K @Temperature 20.0 °C
	13.0 W/m-K @Temperature 100 °C
	15.0 W/m-K @Temperature 300 °C
	17.0 W/m-K @Temperature 500 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.10 %	All-weld metal
	0.12 %	AIM
Chromium, Cr	25 %	All-weld metal
	26 %	AIM
Copper, Cu	<= 0.30 %	AIM
Manganese, Mn	1.7 %	All-weld metal
	1.8 %	AIM
Molybdenum, Mo	<= 0.30 %	AIM
Nickel, Ni	20 %	All-weld metal
	21 %	AIM
Nitrogen, N	0.050 %	All-weld metal
	<= 0.060 %	AIM
Phosphorus, P	0.012 %	All-weld metal
	<= 0.015 %	AIM
Silicon, Si	0.30 %	AIM
	0.30 %	All-weld metal
Sulfur, S	0.010 %	All-weld metal
	<= 0.015 %	AIM

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NSANDV5136 / 199700

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