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SAE-AISI 1038 Steel vs. EN 1.4527 Stainless Steel

Both SAE-AISI 1038 steel and EN 1.4527 stainless steel are iron alloys. They have 44% of their average alloy composition in common. There are 28 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 SAE-AISI 1038 steel and the bottom bar is EN 1.4527 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 20
40
Fatigue Strength, MPa 220 to 350
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 590 to 640
480
Tensile Strength: Yield (Proof), MPa 320 to 540
190

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
5.6
Embodied Energy, MJ/kg 18
78
Embodied Water, L/kg 46
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
150
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 790
95
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 23
17
Strength to Weight: Bending, points 20 to 21
17
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 19 to 20
12

Alloy Composition

Carbon (C), % 0.35 to 0.42
0 to 0.060
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 98.6 to 99.05
37.4 to 48.5
Manganese (Mn), % 0.6 to 0.9
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0 to 0.050
0 to 0.030