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SAE-AISI 6150 Steel vs. S30615 Stainless Steel

Both SAE-AISI 6150 steel and S30615 stainless steel are iron alloys. They have 63% 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 SAE-AISI 6150 steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 350
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 23
39
Fatigue Strength, MPa 300 to 750
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 400 to 730
470
Tensile Strength: Ultimate (UTS), MPa 630 to 1200
690
Tensile Strength: Yield (Proof), MPa 420 to 1160
310

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 420
960
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Conductivity, W/m-K 46
14
Thermal Expansion, µm/m-K 12 to 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
19
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.0
3.7
Embodied Energy, MJ/kg 28
53
Embodied Water, L/kg 51
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
220
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3590
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 43
25
Strength to Weight: Bending, points 21 to 32
23
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 20 to 38
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0.48 to 0.53
0.16 to 0.24
Chromium (Cr), % 0.8 to 1.1
17 to 19.5
Iron (Fe), % 96.7 to 97.7
56.7 to 65.3
Manganese (Mn), % 0.7 to 0.9
0 to 2.0
Nickel (Ni), % 0
13.5 to 16
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
3.2 to 4.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Vanadium (V), % 0.15 to 0.3
0