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S38815 Stainless Steel vs. ASTM A182 Grade F6b

Both S38815 stainless steel and ASTM A182 grade F6b are iron alloys. Both are furnished in the annealed condition. They have 77% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
18
Fatigue Strength, MPa 230
440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 410
530
Tensile Strength: Ultimate (UTS), MPa 610
850
Tensile Strength: Yield (Proof), MPa 290
710

Thermal Properties

Latent Heat of Fusion, J/g 370
280
Maximum Temperature: Corrosion, °C 400
390
Maximum Temperature: Mechanical, °C 860
750
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 19
8.0
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
2.2
Embodied Energy, MJ/kg 54
30
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 18
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
140
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
30
Strength to Weight: Bending, points 21
26
Thermal Shock Resistance, points 15
31

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 13 to 15
11.5 to 13.5
Copper (Cu), % 0.75 to 1.5
0 to 0.5
Iron (Fe), % 56.1 to 67
81.2 to 87.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0.75 to 1.5
0.4 to 0.6
Nickel (Ni), % 13 to 17
1.0 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 5.5 to 6.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020