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SAE-AISI 1070 Steel vs. EN 1.4301 Stainless Steel

Both SAE-AISI 1070 steel and EN 1.4301 stainless steel are iron alloys. They have 71% 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 SAE-AISI 1070 steel and the bottom bar is EN 1.4301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 230
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 13
14 to 46
Fatigue Strength, MPa 270 to 350
200 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 380 to 460
430 to 550
Tensile Strength: Ultimate (UTS), MPa 640 to 760
610 to 900
Tensile Strength: Yield (Proof), MPa 420 to 560
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
940
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 19
43
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 86
110 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 850
120 to 820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 27
22 to 32
Strength to Weight: Bending, points 21 to 24
20 to 27
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 21 to 25
14 to 20

Alloy Composition

Carbon (C), % 0.65 to 0.75
0 to 0.070
Chromium (Cr), % 0
17.5 to 19.5
Iron (Fe), % 98.3 to 98.8
66.8 to 74.5
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Nickel (Ni), % 0
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015

Comparable Variants