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EN 1.4951 Stainless Steel vs. SAE-AISI 1008 Steel

Both EN 1.4951 stainless steel and SAE-AISI 1008 steel are iron alloys. They have 54% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4951 stainless steel and the bottom bar is SAE-AISI 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
93 to 100
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
22 to 33
Fatigue Strength, MPa 190
150 to 220
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 430
220 to 230
Tensile Strength: Ultimate (UTS), MPa 630
330 to 370
Tensile Strength: Yield (Proof), MPa 220
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
62
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.3
1.4
Embodied Energy, MJ/kg 61
18
Embodied Water, L/kg 190
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
78 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 130
92 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
12 to 13
Strength to Weight: Bending, points 21
13 to 15
Thermal Diffusivity, mm2/s 3.9
17
Thermal Shock Resistance, points 14
10 to 12

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.1
Chromium (Cr), % 24 to 26
0
Iron (Fe), % 49.1 to 57
99.31 to 99.7
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Nickel (Ni), % 19 to 22
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0 to 0.050