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S38815 Stainless Steel vs. ASTM A372 Grade H Steel

Both S38815 stainless steel and ASTM A372 grade H steel are iron alloys. They have 63% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is ASTM A372 grade H steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
20 to 22
Fatigue Strength, MPa 230
310 to 380
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 410
410 to 570
Tensile Strength: Ultimate (UTS), MPa 610
650 to 910
Tensile Strength: Yield (Proof), MPa 290
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 860
410
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.3
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.5
Embodied Energy, MJ/kg 54
20
Embodied Water, L/kg 140
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 220
500 to 810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
23 to 32
Strength to Weight: Bending, points 21
21 to 27
Thermal Shock Resistance, points 15
19 to 27

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0.3 to 0.4
Chromium (Cr), % 13 to 15
0.4 to 0.65
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
97.3 to 98.3
Manganese (Mn), % 0 to 2.0
0.75 to 1.1
Molybdenum (Mo), % 0.75 to 1.5
0.15 to 0.25
Nickel (Ni), % 13 to 17
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 5.5 to 6.5
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.010