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EN 1.4021 Stainless Steel vs. SAE-AISI 1035 Steel

Both EN 1.4021 stainless steel and SAE-AISI 1035 steel are iron alloys. They have 86% of their average alloy composition in common. There are 30 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 1.4021 stainless steel and the bottom bar is SAE-AISI 1035 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
13 to 21
Fatigue Strength, MPa 240 to 380
210 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 390 to 530
360 to 370
Tensile Strength: Ultimate (UTS), MPa 630 to 880
570 to 620
Tensile Strength: Yield (Proof), MPa 390 to 670
300 to 530

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 27
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
79 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1160
250 to 740
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 31
20 to 22
Strength to Weight: Bending, points 21 to 26
19 to 21
Thermal Diffusivity, mm2/s 8.1
14
Thermal Shock Resistance, points 22 to 31
18 to 20

Alloy Composition

Carbon (C), % 0.16 to 0.25
0.32 to 0.38
Chromium (Cr), % 12 to 14
0
Iron (Fe), % 83.2 to 87.8
98.6 to 99.08
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050