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EN 1.4951 Stainless Steel vs. EN 1.6553 Steel

Both EN 1.4951 stainless steel and EN 1.6553 steel are iron alloys. They have 55% 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 1.6553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
210 to 240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
19 to 21
Fatigue Strength, MPa 190
330 to 460
Impact Strength: V-Notched Charpy, J 98
30
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 630
710 to 800
Tensile Strength: Yield (Proof), MPa 220
470 to 670

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
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
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.7
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.6
Embodied Energy, MJ/kg 61
21
Embodied Water, L/kg 190
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
130 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 130
600 to 1190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
25 to 28
Strength to Weight: Bending, points 21
23 to 24
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 14
21 to 23

Alloy Composition

Carbon (C), % 0.040 to 0.080
0.23 to 0.28
Chromium (Cr), % 24 to 26
0.4 to 0.8
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 49.1 to 57
95.6 to 98.2
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 19 to 22
0.4 to 0.8
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.025
Vanadium (V), % 0
0 to 0.030