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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 Comments
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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