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EN 1.4951 Stainless Steel vs. EN 1.1151 Steel

Both EN 1.4951 stainless steel and EN 1.1151 steel are iron alloys. They have 54% 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 1.4951 stainless steel and the bottom bar is EN 1.1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
21 to 26
Fatigue Strength, MPa 190
180 to 240
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 430
300 to 330
Tensile Strength: Ultimate (UTS), MPa 630
460 to 520
Tensile Strength: Yield (Proof), MPa 220
240 to 340

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.4
Embodied Energy, MJ/kg 61
19
Embodied Water, L/kg 190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
98 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 130
160 to 310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
16 to 18
Strength to Weight: Bending, points 21
17 to 18
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 14
15 to 16

Alloy Composition

Carbon (C), % 0.040 to 0.080
0.17 to 0.24
Chromium (Cr), % 24 to 26
0 to 0.4
Iron (Fe), % 49.1 to 57
97.7 to 99.43
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 19 to 22
0 to 0.4
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035