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ASTM A182 Grade F5a vs. S38815 Stainless Steel

Both ASTM A182 grade F5a and S38815 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 28 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 ASTM A182 grade F5a and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
34
Fatigue Strength, MPa 380
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 450
410
Tensile Strength: Ultimate (UTS), MPa 710
610
Tensile Strength: Yield (Proof), MPa 520
290

Thermal Properties

Latent Heat of Fusion, J/g 260
370
Maximum Temperature: Mechanical, °C 510
860
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
19
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.8
3.8
Embodied Energy, MJ/kg 24
54
Embodied Water, L/kg 69
140

Common Calculations

PREN (Pitting Resistance) 6.8
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
170
Resilience: Unit (Modulus of Resilience), kJ/m3 700
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 23
21
Thermal Shock Resistance, points 20
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.25
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
13 to 15
Copper (Cu), % 0
0.75 to 1.5
Iron (Fe), % 91.4 to 95.6
56.1 to 67
Manganese (Mn), % 0 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.44 to 0.65
0.75 to 1.5
Nickel (Ni), % 0 to 0.5
13 to 17
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
5.5 to 6.5
Sulfur (S), % 0 to 0.030
0 to 0.020