Austenitic 304 Grade
(On 20°C if not specified.)
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304
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321
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Units
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Density
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7,85 x 10 ³**
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7,8 x 10 ³**
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kg/m³
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Elasticity Module
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193
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193
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GPa
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Poisson Rate
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0,26
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0,24
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Specific Heat
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500
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500
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J/kg K
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Termal Conductivity:
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100°C ‘de
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16,2
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16,1
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W/mK
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500°C ‘de
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21,5
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22,2
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W/mK
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Electrical Resistivity
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72
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72
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nWm
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Mean Thermal Expension
Rate Classes |
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0 – 100°C
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17,2
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16,6
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µm/mK
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0 – 315°C
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17,8
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17,2
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µm/mK
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0 – 540°C
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18,4
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18,6
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µm/mK
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0 – 700°C
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18,9
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19,0
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µm/mK
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Melting
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1400 – 1450
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1400 – 1430
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C°
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Magnetic Specification
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Non Magnetic*
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Non Magnetic*
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* Basicly it is not magnetic ve may have a light magnetism after cold machinning.
** Those figures are real densities, for theoretical calculatiuon use 8,07kg/m²/mm
304 | 304L | 304H | 321/32H | Units | |
Tensile Streght | 485 min | 485 min | 515 min | 515 min | MPa |
Ezilme Mukavemeti (0,2% gerilim) | 205 min | 170 min | 205 min | 205 min | MPa |
Elongation(50mm içinde) | 40 min | 40 min | 40 min | 40 min | % |
Brinell Hardness | 202 max | 183 max | 202 max | 217 max |
SPECIFICATIONS FOR HIGH TEMPERATURES
TENSILE STRENGHT FOR ELEVATED TEMPARATURE FOR SHORT DURATION
Temperature°C | 600 | 700 | 800 | 900 | 1000 | |
MPa | 304 | 365 | 240 | 125 | 60 | 35 |
MPa | 321 | 340 | 260 | 160 | 90 | 50 |
CAPILAR SHEAR STRENGHT AFTER 10.000 HOURS
Temperature°C | 540 | 600 | 650 | 700 | 800 | |
Capilar Shear Strenght MPa | 304 | 250 | 153 | 95 | 60 | 24 |
Capilar Shear Strenght MPa | 304L | 172 | 107 | 67 | 40 | 18 |
Capilar Shear Strenght MPa | 321 | 175 | 170 | 105 | 63 | 24 |
SUGGESTED MAXIMUM SERVICE TEMPERATURE (ON CORROSIVE CONDITIONS)
304 | 321 | |
Continious | 925C | 925C |
Intermiteed | 850C | 870C |
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