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EN 1.4983 Stainless Steel vs. AISI 309 Stainless Steel

Both EN 1.4983 stainless steel and AISI 309 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4983 stainless steel and the bottom bar is AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
34 to 47
Fatigue Strength, MPa 200
250 to 280
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
78
Shear Strength, MPa 430
420 to 470
Tensile Strength: Ultimate (UTS), MPa 630
600 to 710
Tensile Strength: Yield (Proof), MPa 230
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 520
440
Maximum Temperature: Mechanical, °C 940
980
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
3.6
Embodied Energy, MJ/kg 56
51
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 24
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 140
170 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21 to 25
Strength to Weight: Bending, points 21
20 to 23
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 14
14 to 16

Alloy Composition

Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.040 to 0.080
0 to 0.2
Chromium (Cr), % 16 to 18
22 to 24
Iron (Fe), % 61.8 to 69.6
58 to 66
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 12 to 14
12 to 15
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.4 to 0.8
0