Crucible Steel 348 Chromium-Nickel Steel

Category	Metal , Ferrous Metal , Austenitic , Stainless Steel , T 300 Series Stainless Steel
Manufacturer	Crucible Steel
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Crucible Steel 348 Chromium-Nickel Steel.pdf
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Material Notes:

Crucible 348 is a non-hardenable austenitic chromium-nickel steel which are particularly adaptable for use at temperatures between 800 and 1650°F. This grade is non-magnetic in the annealed condition but is slightly magnetic when cold worked. Information provided by Crucible Specialty Metals.Composition: Nb + Ta content is 10xC min

Physical Properties	Metric	English	Comments
Specific Gravity	8.02 g/cc	8.02 g/cc

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	170	170
Tensile Strength, Ultimate	621 MPa	90000 psi
Tensile Strength, Yield	276 MPa @Strain 0.200 %	40000 psi @Strain 0.200 %
Elongation at Break	50 %	50 %	in 2"
Reduction of Area	65 %	65 %
Modulus of Elasticity	193 GPa	28000 ksi	Tension
Izod Impact Unnotched	136 J	100 ft-lb

Thermal Properties	Metric	English
CTE, linear	16.7 µm/m-°C @Temperature 0.000 - 100 °C	9.30 µin/in-°F @Temperature 32.0 - 212 °F
	17.1 µm/m-°C @Temperature 0.000 - 316 °C	9.50 µin/in-°F @Temperature 32.0 - 600 °F
	19.1 µm/m-°C @Temperature 0.000 - 649 °C	10.6 µin/in-°F @Temperature 32.0 - 1200 °F
Specific Heat Capacity	0.502 J/g-°C @Temperature 0.000 - 100 °C	0.120 BTU/lb-°F @Temperature 32.0 - 212 °F
Thermal Conductivity	15.91 W/m-K @Temperature 93.3 °C	110.4 BTU-in/hr-ft²-°F @Temperature 200 °F
	21.6 W/m-K @Temperature 538 °C	150 BTU-in/hr-ft²-°F @Temperature 1000 °F
Melting Point	1370 - 1400 °C	2500 - 2550 °F
Solidus	1370 °C	2500 °F
Liquidus	1400 °C	2550 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.080 %	<= 0.080 %
Chromium, Cr	17 - 19 %	17 - 19 %
Iron, Fe	>= 64.745 %	>= 64.745 %	As Remainder
Manganese, Mn	<= 2.0 %	<= 2.0 %
Nickel, Ni	9.0 - 13 %	9.0 - 13 %
Phosphorous, P	<= 0.045 %	<= 0.045 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	<= 0.030 %	<= 0.030 %
Tantalum, Ta	<= 0.10 %	<= 0.10 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000730 ohm-cm @Temperature 23.0 °C	0.0000730 ohm-cm @Temperature 73.4 °F

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