Sandvik 19.9.NbSi Welding wire

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Sandvik 19.9.NbSi Welding wire
Categories:	Metal; Ferrous Metal; Alloy Steel
Material Notes:	Sandvik 19.9.NbSi is a filler metal particularly suited for MIG welding. It can also be used for TIG and plasma arc welding. It is suitable for joining stainless steels of the 18Cr/8Ni/Nb and 18Cr/8Ni/Ti types. Due to the strengthening effect of niobium, this grade is recommended if the weld metal is exposed to temperatures above 400°C (750 F). Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	8.00 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	225
Tensile Strength, Ultimate	470 MPa @Temperature 400 °C
	610 MPa @Temperature 20.0 °C
Tensile Strength, Yield	320 MPa @Strain 0.2 %, Temperature 400 °C
	400 MPa @Strain 0.2 %, Temperature 20.0 °C
Elongation at Break	23 % @Temperature 400 °C
	35 % @Temperature 20.0 °C
Reduction of Area	50 % @Temperature 400 °C
	61 % @Temperature 20.0 °C
Charpy Impact	60.0 J @Temperature -196 °C
	110 J @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	18.0 µm/m-°C @Temperature 20.0 - 400 °C
Thermal Conductivity	13.0 W/m-K @Temperature 20.0 °C
	14.0 W/m-K @Temperature 100 °C
	16.0 W/m-K @Temperature 200 °C
	18.0 W/m-K @Temperature 500 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.040 %	AIM
	0.040 %	All-Weld Metal
Chromium, Cr	19 %	All-Weld Metal
	19.5 %	AIM
Cobalt, Co	<= 0.20 %	AIM
Copper, Cu	<= 0.20 %	AIM
Manganese, Mn	1.2 %	AIM
	1.2 %	All-Weld Metal
Molybdenum, Mo	<= 0.50 %	AIM
Nickel, Ni	10 %	AIM
	10 %	All-Weld Metal
Niobium, Nb (Columbium, Cb)	0.50 %	All-Weld Metal
	>= 0.60 %	AIM
Nitrogen, N	0.050 %	All-Weld Metal
	<= 0.060 %	AIM
Phosphorus, P	0.013 %	All-Weld Metal
	<= 0.025 %	AIM
Silicon, Si	0.80 %	All-Weld Metal
	0.90 %	AIM
Sulfur, S	0.010 %	All-Weld Metal
	<= 0.015 %	AIM

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NSANDV5099 / 199663

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