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EN 1.4749 Stainless Steel vs. SAE-AISI 1026 Steel

Both EN 1.4749 stainless steel and SAE-AISI 1026 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4749 stainless steel and the bottom bar is SAE-AISI 1026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
17 to 27
Fatigue Strength, MPa 190
200 to 310
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 370
320 to 340
Tensile Strength: Ultimate (UTS), MPa 600
500 to 550
Tensile Strength: Yield (Proof), MPa 320
270 to 470

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
52
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 36
18
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
200 to 580
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 22
18 to 20
Strength to Weight: Bending, points 21
18 to 19
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 22
16 to 18

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.22 to 0.28
Chromium (Cr), % 26 to 29
0
Iron (Fe), % 68.5 to 73.7
98.7 to 99.18
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Nitrogen (N), % 0.15 to 0.25
0
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