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S39274 Stainless Steel vs. ASTM A372 Grade D Steel

Both S39274 stainless steel and ASTM A372 grade D steel are iron alloys. They have 62% 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 S39274 stainless steel and the bottom bar is ASTM A372 grade D steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
250
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
17
Fatigue Strength, MPa 380
340
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 560
500
Tensile Strength: Ultimate (UTS), MPa 900
810
Tensile Strength: Yield (Proof), MPa 620
510

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.1
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.5
Embodied Energy, MJ/kg 60
20
Embodied Water, L/kg 180
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 940
700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
29
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 4.2
14
Thermal Shock Resistance, points 25
26

Alloy Composition

Carbon (C), % 0 to 0.030
0.4 to 0.5
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
97.1 to 97.9
Manganese (Mn), % 0 to 1.0
1.4 to 1.8
Molybdenum (Mo), % 2.5 to 3.5
0.17 to 0.27
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.8
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.010
Tungsten (W), % 1.5 to 2.5
0