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S38815 Stainless Steel vs. ASTM A182 Grade F5a

Both S38815 stainless steel and ASTM A182 grade F5a 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 S38815 stainless steel and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Maximum Temperature: Mechanical, °C 860
510
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
4.5
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.8
Embodied Energy, MJ/kg 54
24
Embodied Water, L/kg 140
69

Common Calculations

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

Alloy Composition

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