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ASTM A356 Grade 8 vs. S82013 Stainless Steel

Both ASTM A356 grade 8 and S82013 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 8 and the bottom bar is S82013 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
34
Fatigue Strength, MPa 270
400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 630
710
Tensile Strength: Yield (Proof), MPa 390
500

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 440
970
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 38
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.4
Embodied Energy, MJ/kg 26
34
Embodied Water, L/kg 55
140

Common Calculations

PREN (Pitting Resistance) 4.7
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 390
640
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
26
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 10
4.0
Thermal Shock Resistance, points 18
20

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.060
Chromium (Cr), % 1.0 to 1.5
19.5 to 22
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 95.4 to 97.4
70.5 to 77.1
Manganese (Mn), % 0.5 to 0.9
2.5 to 3.5
Molybdenum (Mo), % 0.9 to 1.2
0
Nickel (Ni), % 0
0.5 to 1.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.2 to 0.6
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.050 to 0.15
0