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EN 1.4749 Stainless Steel vs. EN 1.1151 Steel

Both EN 1.4749 stainless steel and EN 1.1151 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 (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 1.1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
21 to 26
Fatigue Strength, MPa 190
180 to 240
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 370
300 to 330
Tensile Strength: Ultimate (UTS), MPa 600
460 to 520
Tensile Strength: Yield (Proof), MPa 320
240 to 340

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
50
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.1
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 36
19
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
98 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 250
160 to 310
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 22
16 to 18
Strength to Weight: Bending, points 21
17 to 18
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 22
15 to 16

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.17 to 0.24
Chromium (Cr), % 26 to 29
0 to 0.4
Iron (Fe), % 68.5 to 73.7
97.7 to 99.43
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035