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EN 1.4821 Stainless Steel vs. EN 1.7386 Steel

Both EN 1.4821 stainless steel and EN 1.7386 steel are iron alloys. They have 78% 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 1.4821 stainless steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
18 to 21
Fatigue Strength, MPa 280
170 to 290
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 450
340 to 410
Tensile Strength: Ultimate (UTS), MPa 730
550 to 670
Tensile Strength: Yield (Proof), MPa 450
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 1100
600
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
26
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
6.5
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.0
Embodied Energy, MJ/kg 41
28
Embodied Water, L/kg 160
88

Common Calculations

PREN (Pitting Resistance) 26
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 500
150 to 490
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 26
20 to 24
Strength to Weight: Bending, points 23
19 to 22
Thermal Diffusivity, mm2/s 4.6
6.9
Thermal Shock Resistance, points 21
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.1 to 0.2
0.080 to 0.15
Chromium (Cr), % 24.5 to 26.5
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 64.2 to 71.1
86.8 to 90.5
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.8 to 1.5
0.25 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010