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EN 1.4935 Stainless Steel vs. SAE-AISI 1049 Steel

Both EN 1.4935 stainless steel and SAE-AISI 1049 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 1.4935 stainless steel and the bottom bar is SAE-AISI 1049 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16 to 18
11 to 17
Fatigue Strength, MPa 350 to 400
250 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 480 to 540
420 to 450
Tensile Strength: Ultimate (UTS), MPa 780 to 880
680 to 750
Tensile Strength: Yield (Proof), MPa 570 to 670
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
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
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 42
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
75 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 830 to 1160
370 to 1090
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 31
24 to 27
Strength to Weight: Bending, points 24 to 26
22 to 23
Thermal Diffusivity, mm2/s 6.5
14
Thermal Shock Resistance, points 27 to 30
22 to 24

Alloy Composition

Carbon (C), % 0.17 to 0.24
0.46 to 0.53
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 83 to 86.7
98.5 to 98.9
Manganese (Mn), % 0.3 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 0.3 to 0.8
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0.2 to 0.35
0

Comparable Variants