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S21603 Stainless Steel vs. SAE-AISI 1038 Steel

Both S21603 stainless steel and SAE-AISI 1038 steel are iron alloys. They have 64% of their average alloy composition in common. There are 28 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 S21603 stainless steel and the bottom bar is SAE-AISI 1038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
14 to 20
Fatigue Strength, MPa 360
220 to 350
Poisson's Ratio 0.28
0.29
Reduction in Area, % 57
40 to 45
Shear Modulus, GPa 79
73
Shear Strength, MPa 490
370 to 390
Tensile Strength: Ultimate (UTS), MPa 690
590 to 640
Tensile Strength: Yield (Proof), MPa 390
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 50
18
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 380
270 to 790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
21 to 23
Strength to Weight: Bending, points 22
20 to 21
Thermal Shock Resistance, points 15
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.42
Chromium (Cr), % 17.5 to 22
0
Iron (Fe), % 57.6 to 67.8
98.6 to 99.05
Manganese (Mn), % 7.5 to 9.0
0.6 to 0.9
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050