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S38815 Stainless Steel vs. ASTM A356 Grade 1

Both S38815 stainless steel and ASTM A356 grade 1 are iron alloys. They have 62% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is ASTM A356 grade 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
23
Fatigue Strength, MPa 230
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 610
550
Tensile Strength: Yield (Proof), MPa 290
280

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 860
400
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 54
18
Embodied Water, L/kg 140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 21
19
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.35
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
98.3 to 100
Manganese (Mn), % 0 to 2.0
0 to 0.7
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 5.5 to 6.5
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030