MakeItFrom.com
Menu (ESC)

EN 1.4477 Stainless Steel vs. SAE-AISI 1021 Steel

Both EN 1.4477 stainless steel and SAE-AISI 1021 steel are iron alloys. They have 61% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is SAE-AISI 1021 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 22 to 23
17 to 27
Fatigue Strength, MPa 420 to 490
190 to 300
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 550 to 580
310 to 320
Tensile Strength: Ultimate (UTS), MPa 880 to 930
480 to 530
Tensile Strength: Yield (Proof), MPa 620 to 730
260 to 450

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.7
1.4
Embodied Energy, MJ/kg 52
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
180 to 530
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 33
17 to 19
Strength to Weight: Bending, points 26 to 27
17 to 18
Thermal Diffusivity, mm2/s 3.5
14
Thermal Shock Resistance, points 23 to 25
15 to 17

Alloy Composition

Carbon (C), % 0 to 0.030
0.18 to 0.23
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
98.8 to 99.22
Manganese (Mn), % 0.8 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0 to 0.050

Comparable Variants