Overview of materials for T 400 Series Stainless Steel

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Overview of materials for T 400 Series Stainless Steel
Categories:	Metal; Ferrous Metal; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "T 400 Series Stainless Steel". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical Properties	Metric	English	Comments

Density	6.13 - 7.87 g/cc	0.221 - 0.284 lb/in³	Average value: 7.72 g/cc Grade Count:309
Particle Size	6.70 - 12.0 µm	6.70 - 12.0 µm	Average value: 9.27 µm Grade Count:24

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	131 - 594	131 - 594	Average value: 254 Grade Count:106
Hardness, Knoop	146 - 662	146 - 662	Average value: 293 Grade Count:70
Hardness, Rockwell A	51.1 - 56.4	51.1 - 56.4	Average value: 53.0 Grade Count:6
Hardness, Rockwell B	42.0 - 130	42.0 - 130	Average value: 85.6 Grade Count:152
Hardness, Rockwell C	10.0 - 59.0	10.0 - 59.0	Average value: 40.5 Grade Count:106
Hardness, Vickers	140 - 1100	140 - 1100	Average value: 337 Grade Count:74
Tensile Strength, Ultimate	280 - 2070 MPa	40600 - 300000 psi	Average value: 861 MPa Grade Count:292
Tensile Strength, Yield	165 - 1900 MPa	23900 - 276000 psi	Average value: 681 MPa Grade Count:261
Elongation at Break	1.00 - 46.0 %	1.00 - 46.0 %	Average value: 19.6 % Grade Count:247
Elongation at Yield	2.00 - 40.0 %	2.00 - 40.0 %	Average value: 15.5 % Grade Count:7
Reduction of Area	0.500 - 77.0 %	0.500 - 77.0 %	Average value: 47.7 % Grade Count:58
Modulus of Elasticity	199 - 215 GPa	28900 - 31200 ksi	Average value: 200 GPa Grade Count:262
Notched Tensile Strength	793 - 2070 MPa	115000 - 300000 psi	Average value: 1740 MPa Grade Count:8
Bulk Modulus	166 GPa	24100 ksi	Average value: 166 GPa Grade Count:4
Poissons Ratio	0.200 - 0.380	0.200 - 0.380	Average value: 0.250 Grade Count:63
Fatigue Strength	85.0 - 772 MPa	12300 - 112000 psi	Average value: 389 MPa Grade Count:23
Shear Modulus	62.1 - 83.9 GPa	9000 - 12200 ksi	Average value: 80.2 GPa Grade Count:64
Izod Impact	16.3 - 122 J	12.0 - 90.0 ft-lb	Average value: 71.2 J Grade Count:28
Izod Impact Unnotched	54.2 - 122 J	40.0 - 90.0 ft-lb	Average value: 78.0 J Grade Count:3
Charpy Impact	7.00 - 133 J	5.16 - 98.1 ft-lb	Average value: 51.6 J Grade Count:32

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000236 - 0.000120 ohm-cm	0.0000236 - 0.000120 ohm-cm	Average value: 0.0000612 ohm-cm Grade Count:255
Magnetic Permeability	400 - 2200	400 - 2200	Average value: 885 Grade Count:51

Thermal Properties	Metric	English	Comments
CTE, linear	9.20 - 16.8 µm/m-°C	5.11 - 9.33 µin/in-°F	Average value: 11.5 µm/m-°C Grade Count:247
Specific Heat Capacity	0.427 - 0.477 J/g-°C	0.102 - 0.114 BTU/lb-°F	Average value: 0.461 J/g-°C Grade Count:197
Thermal Conductivity	15.0 - 27.0 W/m-K	104 - 187 BTU-in/hr-ft²-°F	Average value: 24.0 W/m-K Grade Count:76
Melting Point	1370 - 1530 °C	2500 - 2790 °F	Average value: 1480 °C Grade Count:195
Solidus	1370 - 1480 °C	2500 - 2700 °F	Average value: 1450 °C Grade Count:188
Liquidus	1480 - 1530 °C	2700 - 2790 °F	Average value: 1510 °C Grade Count:188
Maximum Service Temperature, Air	620 - 1100 °C	1150 - 2000 °F	Average value: 772 °C Grade Count:93

Processing Properties	Metric	English	Comments
Annealing Temperature	593 - 999 °C	1100 - 1830 °F	Average value: 796 °C Grade Count:3
Hot-Working Temperature	750 - 1200 °C	1380 - 2190 °F	Average value: 1010 °C Grade Count:3

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.0100 - 4.00 %	0.0100 - 4.00 %	Average value: 0.632 % Grade Count:20
Carbon, C	0.00900 - 1.60 %	0.00900 - 1.60 %	Average value: 0.212 % Grade Count:354
Chromium, Cr	10.0 - 51.0 %	10.0 - 51.0 %	Average value: 14.9 % Grade Count:355
Copper, Cu	0.500 - 2.50 %	0.500 - 2.50 %	Average value: 1.56 % Grade Count:16
Iron, Fe	47.1 - 89.1 %	47.1 - 89.1 %	Average value: 82.3 % Grade Count:355
Manganese, Mn	0.0350 - 2.00 %	0.0350 - 2.00 %	Average value: 0.969 % Grade Count:349
Molybdenum, Mo	0.0270 - 4.00 %	0.0270 - 4.00 %	Average value: 0.788 % Grade Count:144
Nb + Ta	0.100 - 0.600 %	0.100 - 0.600 %	Average value: 0.457 % Grade Count:23
Nickel, Ni	0.230 - 10.5 %	0.230 - 10.5 %	Average value: 1.48 % Grade Count:149
Niobium, Nb (Columbium, Cb)	0.150 - 1.50 %	0.150 - 1.50 %	Average value: 0.518 % Grade Count:25
Nitrogen, N	0.0120 - 0.100 %	0.0120 - 0.100 %	Average value: 0.0239 % Grade Count:26
Phosphorus, P	0.0100 - 0.400 %	0.0100 - 0.400 %	Average value: 0.0394 % Grade Count:299
Potassium, K	0.0600 %	0.0600 %	Average value: 0.0600 % Grade Count:8
Selenium, Se	0.150 %	0.150 %	Average value: 0.150 % Grade Count:15
Silicon, Si	0.0500 - 1.80 %	0.0500 - 1.80 %	Average value: 0.903 % Grade Count:348
Sulfur, S	0.00100 - 4.00 %	0.00100 - 4.00 %	Average value: 0.0472 % Grade Count:312
Tantalum, Ta	0.500 %	0.500 %	Average value: 0.500 % Grade Count:5
Titanium, Ti	0.00500 - 1.40 %	0.00500 - 1.40 %	Average value: 0.480 % Grade Count:38
Tungsten, W	0.750 - 3.00 %	0.750 - 3.00 %	Average value: 1.30 % Grade Count:20
Vanadium, V	0.150 - 0.400 %	0.150 - 0.400 %	Average value: 0.241 % Grade Count:20

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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