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EN 1.4301 Stainless Steel vs. SAE-AISI 1527 Steel

Both EN 1.4301 stainless steel and SAE-AISI 1527 steel are iron alloys. They have 72% 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 1.4301 stainless steel and the bottom bar is SAE-AISI 1527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 46
13 to 21
Fatigue Strength, MPa 200 to 330
220 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430 to 550
370 to 390
Tensile Strength: Ultimate (UTS), MPa 610 to 900
590 to 640
Tensile Strength: Yield (Proof), MPa 220 to 570
320 to 550

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
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 15
52
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
82 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
260 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 32
21 to 23
Strength to Weight: Bending, points 20 to 27
20 to 21
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14 to 20
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.070
0.22 to 0.29
Chromium (Cr), % 17.5 to 19.5
0
Iron (Fe), % 66.8 to 74.5
98.1 to 98.6
Manganese (Mn), % 0 to 2.0
1.2 to 1.5
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050