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S28200 Stainless Steel vs. SAE-AISI 94B17 Steel

Both S28200 stainless steel and SAE-AISI 94B17 steel are iron alloys. Both are furnished in the annealed condition. They have 63% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S28200 stainless steel and the bottom bar is SAE-AISI 94B17 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
25
Fatigue Strength, MPa 430
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 610
280
Tensile Strength: Ultimate (UTS), MPa 870
440
Tensile Strength: Yield (Proof), MPa 460
270

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 900
410
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.4
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 160
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
96
Resilience: Unit (Modulus of Resilience), kJ/m3 540
200
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 32
16
Strength to Weight: Bending, points 27
16
Thermal Shock Resistance, points 17
13

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.15
0.15 to 0.2
Chromium (Cr), % 17 to 19
0.3 to 0.5
Copper (Cu), % 0.75 to 1.3
0
Iron (Fe), % 57.7 to 64.1
97.1 to 98.3
Manganese (Mn), % 17 to 19
0.75 to 1.0
Molybdenum (Mo), % 0.75 to 1.3
0.080 to 0.15
Nickel (Ni), % 0
0.3 to 0.6
Nitrogen (N), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040