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ASTM A356 Grade 10 vs. S31727 Stainless Steel

Both ASTM A356 grade 10 and S31727 stainless steel are iron alloys. They have 62% 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 10 and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
40
Fatigue Strength, MPa 300
240
Poisson's Ratio 0.29
0.28
Reduction in Area, % 39
56
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 670
630
Tensile Strength: Yield (Proof), MPa 430
270

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 460
1010
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.8
4.7
Embodied Energy, MJ/kg 23
64
Embodied Water, L/kg 59
180

Common Calculations

PREN (Pitting Resistance) 5.9
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
200
Resilience: Unit (Modulus of Resilience), kJ/m3 480
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
20
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 2.0 to 2.8
17.5 to 19
Copper (Cu), % 0
2.8 to 4.0
Iron (Fe), % 94.4 to 96.6
53.7 to 61.3
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
3.8 to 4.5
Nickel (Ni), % 0
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030