Stainless Steel 330 Material Property Data Sheet

AISI Type 330 Stainless Steel, annealed bar

Subcategory: Heat Resisting; Metal; Stainless Steel; T 300 Series Stainless Steel

Key Words: UNS N08330, AMS 5592, AMS 5716, ASTM B511, ASTM B512, ASTM B535, ASTM B536, ASTM B546, SAE J405 (30330), SAE J412 (30330)

Component    Wt. % C Max 0.08   Cr 19   Fe 42   Mn Max 2   Ni 36   P Max 0.04   S Max 0.03   Si Max 1.13

Material Notes:
specimens were 25-75 mm diameter

Physical Properties	Metric	English	Comments
Density	8 g/cc	0.289 lb/in³
Mechanical Properties
Hardness, Brinell	139	139	Converted from Rockwell B hardness.
Hardness, Knoop	155	155	Converted from Rockwell B hardness.
Hardness, Rockwell B	80	80
Hardness, Vickers	153	153	Converted from Rockwell B hardness.
Tensile Strength, Ultimate	585 MPa	84800 psi
Tensile Strength, Yield	290 MPa	42100 psi	at 0.2% offset
Elongation at Break	45 %	45 %	in 50 mm
Modulus of Elasticity	197 GPa	28600 ksi	at 21°C, 179 GPa at 315°C, 164 GPa at 540°C, 145 GPa at 760°C, 134 GPa at 870°C, 124 GPa at 980°C
Charpy Impact	325 J	240 ft-lb	Annealed
Electrical Properties
Electrical Resistivity	0.000102 ohm-cm	0.000102 ohm-cm	at 20°C, 0.000114 Ohm-cm at 425°C
Magnetic Permeability	1.02	1.02	approximate value for the annealed condition at RT
Thermal Properties
CTE, linear 20°C	14.4 µm/m-°C	8 µin/in-°F	from 0-100°C (32-212°F)
CTE, linear 250°C	16 µm/m-°C	8.89 µin/in-°F	at 0-315°C (32-600°F)
CTE, linear 500°C	16.7 µm/m-°C	9.28 µin/in-°F	at 0-540°C, 17.3 µm/m-C at 0-650°C, 18.0 µm/m-C at 0-870°C
Heat Capacity	0.46 J/g-°C	0.11 BTU/lb-°F	from 0-100°C (32-212°F)
Thermal Conductivity	12.5 W/m-K	86.8 BTU-in/hr-ft²-°F	at 24°C, 16.3 W/m-K at 100°C, 19.4 W/m-K at 425°C, 21.6 W/m-K at 500°C, 28.5 W/m-K at 870°C
Melting Point	1400 - 1425 °C	2550 - 2600 °F
Solidus	1400 °C	2550 °F
Liquidus	1425 °C	2600 °F
Maximum Service Temperature, Air	1035 °C	1890 °F	Intermittent Service
Maximum Service Temperature, Air	1150 °C	2100 °F	Continuous Service

References are available for this material.