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EN 1.4568 Stainless Steel vs. SAE-AISI 94B17 Steel

Both EN 1.4568 stainless steel and SAE-AISI 94B17 steel are iron alloys. They have 76% of their average alloy composition in common. There are 30 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 EN 1.4568 stainless steel and the bottom bar is SAE-AISI 94B17 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.3 to 21
25
Fatigue Strength, MPa 220 to 670
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 520 to 930
280
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
440
Tensile Strength: Yield (Proof), MPa 330 to 1490
270

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
410
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 40
20
Embodied Water, L/kg 140
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
96
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30 to 58
16
Strength to Weight: Bending, points 25 to 40
16
Thermal Diffusivity, mm2/s 4.3
10
Thermal Shock Resistance, points 23 to 46
13

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.090
0.15 to 0.2
Chromium (Cr), % 16 to 18
0.3 to 0.5
Iron (Fe), % 70.9 to 76.8
97.1 to 98.3
Manganese (Mn), % 0 to 1.0
0.75 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 6.5 to 7.8
0.3 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.7
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040