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S82012 Stainless Steel vs. ASTM A356 Grade 6

Both S82012 stainless steel and ASTM A356 grade 6 are iron alloys. They have 77% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is ASTM A356 grade 6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
25
Fatigue Strength, MPa 480
250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 800
550
Tensile Strength: Yield (Proof), MPa 560
350

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 950
430
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.6
Embodied Energy, MJ/kg 35
21
Embodied Water, L/kg 140
53

Common Calculations

PREN (Pitting Resistance) 24
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
120
Resilience: Unit (Modulus of Resilience), kJ/m3 790
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
20
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 23
16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.2
Chromium (Cr), % 19 to 20.5
1.0 to 1.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
96.2 to 98.1
Manganese (Mn), % 2.0 to 4.0
0.5 to 0.8
Molybdenum (Mo), % 0.1 to 0.6
0.45 to 0.65
Nickel (Ni), % 0.8 to 1.5
0
Nitrogen (N), % 0.16 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.6
Sulfur (S), % 0 to 0.0050
0 to 0.030