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SAE-AISI 1074 Steel vs. S21600 Stainless Steel

Both SAE-AISI 1074 steel and S21600 stainless steel are iron alloys. They have 63% 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 SAE-AISI 1074 steel and the bottom bar is S21600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 14
46
Fatigue Strength, MPa 290 to 350
360
Poisson's Ratio 0.29
0.28
Reduction in Area, % 34 to 45
56
Shear Modulus, GPa 72
79
Shear Strength, MPa 440 to 490
500
Tensile Strength: Ultimate (UTS), MPa 740 to 820
710
Tensile Strength: Yield (Proof), MPa 450 to 570
390

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.6
Embodied Energy, MJ/kg 19
50
Embodied Water, L/kg 46
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
270
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 860
370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 29
25
Strength to Weight: Bending, points 23 to 25
23
Thermal Shock Resistance, points 24 to 26
15

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.080
Chromium (Cr), % 0
17.5 to 22
Iron (Fe), % 98.3 to 98.8
57.6 to 67.8
Manganese (Mn), % 0.5 to 0.8
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0 to 0.050
0 to 0.030