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AISI 310S Stainless Steel vs. ASTM A356 Grade 9

Both AISI 310S stainless steel and ASTM A356 grade 9 are iron alloys. They have 55% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 310S stainless steel and the bottom bar is ASTM A356 grade 9.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 44
17
Fatigue Strength, MPa 250 to 280
310
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 600 to 710
670
Tensile Strength: Yield (Proof), MPa 270 to 350
460

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
41
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
3.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.4
Embodied Energy, MJ/kg 61
33
Embodied Water, L/kg 190
56

Common Calculations

PREN (Pitting Resistance) 25
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
100
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
24
Strength to Weight: Bending, points 20 to 22
22
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 14 to 16
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.2
Chromium (Cr), % 24 to 26
1.0 to 1.5
Iron (Fe), % 48.3 to 57
95.2 to 97.2
Manganese (Mn), % 0 to 2.0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.2
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.5
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.2 to 0.35