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S32520 Stainless Steel vs. ASTM A372 Grade H Steel

Both S32520 stainless steel and ASTM A372 grade H steel are iron alloys. They have 64% 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 S32520 stainless steel and the bottom bar is ASTM A372 grade H steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
20 to 22
Fatigue Strength, MPa 460
310 to 380
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 560
410 to 570
Tensile Strength: Ultimate (UTS), MPa 860
650 to 910
Tensile Strength: Yield (Proof), MPa 630
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.5
Embodied Energy, MJ/kg 55
20
Embodied Water, L/kg 180
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 960
500 to 810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
23 to 32
Strength to Weight: Bending, points 26
21 to 27
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 24
19 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.4
Chromium (Cr), % 24 to 26
0.4 to 0.65
Copper (Cu), % 0.5 to 2.0
0
Iron (Fe), % 57.3 to 66.8
97.3 to 98.3
Manganese (Mn), % 0 to 1.5
0.75 to 1.1
Molybdenum (Mo), % 3.0 to 4.0
0.15 to 0.25
Nickel (Ni), % 5.5 to 8.0
0
Nitrogen (N), % 0.2 to 0.35
0
Phosphorus (P), % 0 to 0.035
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