AISI Type 302B Stainless Steel, annealed strip

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AISI Type 302B Stainless Steel, annealed strip
Categories:	Metal; Ferrous Metal; Heat Resisting; Stainless Steel; T 300 Series Stainless Steel
Material Notes:	Austenitic Cr-Ni stainless steel. More corrosion resistant than Type 301 and because of higher Ni content does not work harden as quickly as Type 301. Essentially non-magnetic in annealed condition, slightly magnetic in cold worked condition. Can be stamped, blanked, formed, and lightly drawn. Applications include car and radar antennas, automobile trim, bottling machinery, dairy processing equipment, food processing equipment, home appliances, hospital equipment, industrial floor plate, jewelry, kitchen and restaurant equipment, spring clips, washers, retainers.
Key Words:	T302, T 302, 302SS, 302 SS, UNS S30215, ASTM A167, ASTM A276, ASTM A314, ASTM A473, ASTM A580, SAE J405 (30302B), DIN 1.4330, austenitic, 18-8
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Physical Properties	Metric	English	Comments

Density	8.00 g/cc	0.289 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	147	147	Converted from Rockwell B hardness.
Hardness, Knoop	164	164	Converted from Rockwell B hardness.
Hardness, Rockwell B	85	85
Hardness, Vickers	169	169	Converted from Rockwell B hardness.
Tensile Strength, Ultimate	655 MPa	95000 psi
Tensile Strength, Yield	275 MPa @Strain 0.2 %	39900 psi @Strain 0.2 %
Elongation at Break	55 %	55 %	in 50 mm
Tensile Modulus	195 GPa	28300 ksi
Izod Impact	108 J	79.7 ft-lb	when annealed

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000720 ohm-cm @Temperature 20.0 °C	0.0000720 ohm-cm @Temperature 68.0 °F
Magnetic Permeability	1.008	1.008	at RT

Thermal Properties	Metric	English	Comments
CTE, linear	16.2 µm/m-°C @Temperature 0.000 - 100 °C	9.00 µin/in-°F @Temperature 32.0 - 212 °F
	18.0 µm/m-°C @Temperature 0.000 - 315 °C	10.0 µin/in-°F @Temperature 32.0 - 599 °F
	19.4 µm/m-°C @Temperature 0.000 - 540 °C	10.8 µin/in-°F @Temperature 32.0 - 1000 °F
	20.2 µm/m-°C @Temperature 0.000 - 650 °C	11.2 µin/in-°F @Temperature 32.0 - 1200 °F
Specific Heat Capacity	0.500 J/g-°C @Temperature 0.000 - 100 °C	0.120 BTU/lb-°F @Temperature 32.0 - 212 °F
Thermal Conductivity	15.9 W/m-K @Temperature 0.000 - 100 °C	110 BTU-in/hr-ft²-°F @Temperature 32.0 - 212 °F
	21.6 W/m-K @Temperature 500 °C	150 BTU-in/hr-ft²-°F @Temperature 932 °F
Melting Point	1370 - 1400 °C	2500 - 2550 °F
Solidus	1370 °C	2500 °F
Liquidus	1400 °C	2550 °F
Maximum Service Temperature, Air	870 °C	1600 °F	Intermittent
	925 °C	1700 °F	Continuous Service

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.15 %	<= 0.15 %
Chromium, Cr	18 %	18 %
Iron, Fe	68 %	68 %
Manganese, Mn	<= 2.0 %	<= 2.0 %
Nickel, Ni	9.0 %	9.0 %
Phosphorus, P	<= 0.045 %	<= 0.045 %
Silicon, Si	<= 3.0 %	<= 3.0 %
Sulfur, S	<= 0.030 %	<= 0.030 %

References for this datasheet.

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MQ302BG / 12653

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