Crucible Steel 303 Plus 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 303 Plus Chromium-Nickel Steel.pdf
Price	EMAIL US sales@lookpolymers.com
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Material Notes:

Crucible 303 Plus is a non-hardenable austenitic chromium-nickel steel to which elements have been added to improve machinability and non-galling characteristics. Better machinability than that of standard AISI Type 303 stainless is obtained by the use of modern manufacturing methods and stringent mill controls. This grade is non-magnetic in the annealed condition bt slightly magnetic when cold worked. Typical applications are screw machine products and all machined parts requiring good corrosion resistance or non-magnetic propertiesInformation provided by Crucible Specialty Metals.

Physical Properties	Metric	English	Comments
Specific Gravity	7.92 g/cc	7.92 g/cc

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	170	170
Tensile Strength, Ultimate	621 MPa	90000 psi
Tensile Strength, Yield	241 MPa @Strain 0.200 %	35000 psi @Strain 0.200 %
Elongation at Break	50 %	50 %	in 2"
Reduction of Area	55 %	55 %
Modulus of Elasticity	193 GPa	28000 ksi	Tension
Izod Impact Unnotched	108 J	80.0 ft-lb

Thermal Properties	Metric	English
CTE, linear	17.3 µm/m-°C @Temperature 0.000 - 100 °C	9.60 µin/in-°F @Temperature 32.0 - 212 °F
	17.8 µm/m-°C @Temperature 0.000 - 316 °C	9.90 µin/in-°F @Temperature 32.0 - 600 °F
	18.7 µm/m-°C @Temperature 0.000 - 649 °C	10.4 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	16.25 W/m-K @Temperature 93.3 °C	112.8 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	1400 - 1420 °C	2550 - 2590 °F
Solidus	1400 °C	2550 °F
Liquidus	1420 °C	2590 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.15 %	<= 0.15 %
Chromium, Cr	17 - 19 %	17 - 19 %
Iron, Fe	>= 66.9 %	>= 66.9 %	As Remainder
Manganese, Mn	<= 2.0 %	<= 2.0 %
Molybdenum, Mo	<= 0.60 %	<= 0.60 %
Nickel, Ni	8.0 - 10 %	8.0 - 10 %
Phosphorous, P	<= 0.20 %	<= 0.20 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	>= 0.15 %	>= 0.15 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000721 ohm-cm @Temperature 23.0 °C	0.0000721 ohm-cm @Temperature 73.4 °F

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