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S43037 Stainless Steel vs. ASTM A356 Grade 8

Both S43037 stainless steel and ASTM A356 grade 8 are iron alloys. They have 83% 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 S43037 stainless steel and the bottom bar is ASTM A356 grade 8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
21
Fatigue Strength, MPa 160
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 410
630
Tensile Strength: Yield (Proof), MPa 230
390

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 880
440
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
38
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
3.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
2.0
Embodied Energy, MJ/kg 32
26
Embodied Water, L/kg 120
55

Common Calculations

PREN (Pitting Resistance) 18
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130
390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 6.7
10
Thermal Shock Resistance, points 14
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 16 to 19
1.0 to 1.5
Iron (Fe), % 77.9 to 83.9
95.4 to 97.4
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.1 to 1.0
0
Vanadium (V), % 0
0.050 to 0.15