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EN 1.4749 Stainless Steel vs. EN 1.8516 Steel

Both EN 1.4749 stainless steel and EN 1.8516 steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 EN 1.8516 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
330
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
11
Fatigue Strength, MPa 190
570
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
74
Shear Strength, MPa 370
660
Tensile Strength: Ultimate (UTS), MPa 600
1100
Tensile Strength: Yield (Proof), MPa 320
910

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
470
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
39
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.7
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.7
Embodied Energy, MJ/kg 36
22
Embodied Water, L/kg 160
61

Common Calculations

PREN (Pitting Resistance) 31
5.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
2190
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 22
39
Strength to Weight: Bending, points 21
30
Thermal Diffusivity, mm2/s 4.6
10
Thermal Shock Resistance, points 22
32

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.2 to 0.27
Chromium (Cr), % 26 to 29
3.0 to 3.5
Iron (Fe), % 68.5 to 73.7
94.6 to 96.1
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.5 to 0.7
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035