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SAE-AISI 6150 Steel vs. AISI 302 Stainless Steel

Both SAE-AISI 6150 steel and AISI 302 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 6150 steel and the bottom bar is AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 350
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 15 to 23
4.5 to 46
Fatigue Strength, MPa 300 to 750
210 to 520
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 400 to 730
400 to 830
Tensile Strength: Ultimate (UTS), MPa 630 to 1200
580 to 1430
Tensile Strength: Yield (Proof), MPa 420 to 1160
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
710
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
16
Thermal Expansion, µm/m-K 12 to 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
3.0
Embodied Energy, MJ/kg 28
42
Embodied Water, L/kg 51
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3590
140 to 3070
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 43
21 to 51
Strength to Weight: Bending, points 21 to 32
20 to 36
Thermal Diffusivity, mm2/s 13
4.4
Thermal Shock Resistance, points 20 to 38
12 to 31

Alloy Composition

Carbon (C), % 0.48 to 0.53
0 to 0.15
Chromium (Cr), % 0.8 to 1.1
17 to 19
Iron (Fe), % 96.7 to 97.7
67.9 to 75
Manganese (Mn), % 0.7 to 0.9
0 to 2.0
Nickel (Ni), % 0
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.030
Vanadium (V), % 0.15 to 0.3
0

Comparable Variants