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ASTM A356 Grade 9 vs. S24000 Stainless Steel

Both ASTM A356 grade 9 and S24000 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 9 and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
39
Fatigue Strength, MPa 310
370
Poisson's Ratio 0.29
0.28
Reduction in Area, % 50
57
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 670
770
Tensile Strength: Yield (Proof), MPa 460
430

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 440
910
Melting Completion (Liquidus), °C 1470
1390
Melting Onset (Solidus), °C 1430
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 3.6
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.4
2.7
Embodied Energy, MJ/kg 33
39
Embodied Water, L/kg 56
150

Common Calculations

PREN (Pitting Resistance) 4.7
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
260
Resilience: Unit (Modulus of Resilience), kJ/m3 570
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.080
Chromium (Cr), % 1.0 to 1.5
17 to 19
Iron (Fe), % 95.2 to 97.2
61.5 to 69
Manganese (Mn), % 0.5 to 0.9
11.5 to 14.5
Molybdenum (Mo), % 0.9 to 1.2
0
Nickel (Ni), % 0
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0.2 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.2 to 0.35
0