Crucible Steel 321 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 321 Chromium-Nickel Steel.pdf
Price	EMAIL US sales@lookpolymers.com
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Material Notes:

Crucible 321 is a non-hardenable, low carbon austenitic chromium-nickel steel which is particularly adaptable for parts fabricated by welding without postweld annealing for use at temperatures between 800 and 1500°F. This grade is non magnetic in annealed condition but slightly magnetic when cold worked.Information provided by Crucible Specialty Metals.Composition: Titanium content is 5xC minimum

Physical Properties	Metric	English	Comments
Specific Gravity	7.89 g/cc	7.89 g/cc

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	160	160
Tensile Strength, Ultimate	586 MPa	85000 psi
	103 MPa @Temperature 927 °C	15000 psi @Temperature 1700 °F
	252 MPa @Temperature 704 °C	36500 psi @Temperature 1300 °F
Tensile Strength, Yield	241 MPa @Strain 0.200 %	35000 psi @Strain 0.200 %
Elongation at Break	55 %	55 %	in 2"
Reduction of Area	65 %	65 %
Creep Strength	5.8605 MPa @Temperature 816 °C	850.00 psi @Temperature 1500 °F
	124.11 MPa @Temperature 538 °C	18001 psi @Temperature 1000 °F
Modulus of Elasticity	193 GPa	28000 ksi	Tension
Izod Impact Unnotched	136 J	100 ft-lb

Thermal Properties	Metric	English
CTE, linear	17.1 µm/m-°C @Temperature 0.000 - 100 °C	9.50 µin/in-°F @Temperature 32.0 - 212 °F
	18.5 µm/m-°C @Temperature 0.000 - 316 °C	10.3 µin/in-°F @Temperature 32.0 - 600 °F
	19.3 µm/m-°C @Temperature 0.000 - 649 °C	10.7 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	16.08 W/m-K @Temperature 93.3 °C	111.6 BTU-in/hr-ft²-°F @Temperature 200 °F
	21.96 W/m-K @Temperature 538 °C	152.4 BTU-in/hr-ft²-°F @Temperature 1000 °F
Melting Point	1230 - 1430 °C	2250 - 2600 °F
Solidus	1230 °C	2250 °F
Liquidus	1430 °C	2600 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.080 %	<= 0.080 %
Chromium, Cr	17 - 19 %	17 - 19 %
Iron, Fe	>= 65.44 %	>= 65.44 %	As Remainder
Manganese, Mn	<= 2.0 %	<= 2.0 %
Nickel, Ni	9.0 - 12 %	9.0 - 12 %
Phosphorous, P	<= 0.45 %	<= 0.45 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	<= 0.030 %	<= 0.030 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000720 ohm-cm @Temperature 23.0 °C	0.0000720 ohm-cm @Temperature 73.4 °F

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