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EN 1.4658 Stainless Steel vs. SAE-AISI 6150 Steel

Both EN 1.4658 stainless steel and SAE-AISI 6150 steel are iron alloys. They have 59% 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 EN 1.4658 stainless steel and the bottom bar is SAE-AISI 6150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
200 to 350
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
15 to 23
Fatigue Strength, MPa 530
300 to 750
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 580
400 to 730
Tensile Strength: Ultimate (UTS), MPa 900
630 to 1200
Tensile Strength: Yield (Proof), MPa 730
420 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
46
Thermal Expansion, µm/m-K 13
12 to 13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
2.0
Embodied Energy, MJ/kg 61
28
Embodied Water, L/kg 200
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
460 to 3590
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
22 to 43
Strength to Weight: Bending, points 26
21 to 32
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 24
20 to 38

Alloy Composition

Carbon (C), % 0 to 0.030
0.48 to 0.53
Chromium (Cr), % 26 to 29
0.8 to 1.1
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
96.7 to 97.7
Manganese (Mn), % 0 to 1.5
0.7 to 0.9
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 5.5 to 9.5
0
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
Vanadium (V), % 0
0.15 to 0.3