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S21460 Stainless Steel vs. SAE-AISI 1021 Steel

Both S21460 stainless steel and SAE-AISI 1021 steel are iron alloys. They have 61% 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 S21460 stainless steel and the bottom bar is SAE-AISI 1021 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
17 to 27
Fatigue Strength, MPa 390
190 to 300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 580
310 to 320
Tensile Strength: Ultimate (UTS), MPa 830
480 to 530
Tensile Strength: Yield (Proof), MPa 430
260 to 450

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
400
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
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
1.8
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
18
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 460
180 to 530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
17 to 19
Strength to Weight: Bending, points 26
17 to 18
Thermal Shock Resistance, points 17
15 to 17

Alloy Composition

Carbon (C), % 0 to 0.12
0.18 to 0.23
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 57.3 to 63.7
98.8 to 99.22
Manganese (Mn), % 14 to 16
0.6 to 0.9
Nickel (Ni), % 5.0 to 6.0
0
Nitrogen (N), % 0.35 to 0.5
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050