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AISI 310S Stainless Steel vs. AISI 302 Stainless Steel

Both AISI 310S stainless steel and AISI 302 stainless steel are iron alloys. They have 81% 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 AISI 310S stainless steel and the bottom bar is AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 44
4.5 to 46
Fatigue Strength, MPa 250 to 280
210 to 520
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 470
400 to 830
Tensile Strength: Ultimate (UTS), MPa 600 to 710
580 to 1430
Tensile Strength: Yield (Proof), MPa 270 to 350
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
710
Melting Completion (Liquidus), °C 1450
1420
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 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.0
Embodied Energy, MJ/kg 61
42
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 25
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
140 to 3070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
21 to 51
Strength to Weight: Bending, points 20 to 22
20 to 36
Thermal Diffusivity, mm2/s 4.1
4.4
Thermal Shock Resistance, points 14 to 16
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 24 to 26
17 to 19
Iron (Fe), % 48.3 to 57
67.9 to 75
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 19 to 22
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030