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EN 1.4841 Stainless Steel vs. SAE-AISI 94B17 Steel

Both EN 1.4841 stainless steel and SAE-AISI 94B17 steel are iron alloys. They have 53% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4841 stainless steel and the bottom bar is SAE-AISI 94B17 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 32
25
Fatigue Strength, MPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
280
Tensile Strength: Ultimate (UTS), MPa 650
440
Tensile Strength: Yield (Proof), MPa 260
270

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1150
410
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.5
Embodied Energy, MJ/kg 62
20
Embodied Water, L/kg 190
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
96
Resilience: Unit (Modulus of Resilience), kJ/m3 170
200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
16
Strength to Weight: Bending, points 21
16
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 15
13

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.2
0.15 to 0.2
Chromium (Cr), % 24 to 26
0.3 to 0.5
Iron (Fe), % 47.1 to 55.5
97.1 to 98.3
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 19 to 22
0.3 to 0.6
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 1.5 to 2.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040