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AISI 305 Stainless Steel vs. AISI 304L Stainless Steel

Both AISI 305 stainless steel and AISI 304L stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 34 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 AISI 305 stainless steel and the bottom bar is AISI 304L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
160 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 45
6.7 to 46
Fatigue Strength, MPa 210 to 280
170 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 400 to 470
370 to 680
Tensile Strength: Ultimate (UTS), MPa 580 to 710
540 to 1160
Tensile Strength: Yield (Proof), MPa 230 to 350
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 540
540
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 16
16
Calomel Potential, mV -70
-80
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
3.1
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 18
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 210
71 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 320
92 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
19 to 41
Strength to Weight: Bending, points 20 to 23
19 to 31
Thermal Diffusivity, mm2/s 4.2
4.2
Thermal Shock Resistance, points 13 to 15
12 to 25

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 17 to 19
18 to 20
Iron (Fe), % 65.1 to 72.5
65 to 74
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 10.5 to 13
8.0 to 12
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants