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EN 1.4713 Stainless Steel vs. EN 1.4821 Stainless Steel

Both EN 1.4713 stainless steel and EN 1.4821 stainless steel are iron alloys. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4713 stainless steel and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
18
Fatigue Strength, MPa 160
280
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
79
Shear Strength, MPa 320
450
Tensile Strength: Ultimate (UTS), MPa 520
730
Tensile Strength: Yield (Proof), MPa 250
450

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 370
450
Maximum Temperature: Mechanical, °C 800
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 23
17
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.6
15
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.7
2.9
Embodied Energy, MJ/kg 24
41
Embodied Water, L/kg 84
160

Common Calculations

PREN (Pitting Resistance) 7.0
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
500
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 6.2
4.6
Thermal Shock Resistance, points 18
21

Alloy Composition

Aluminum (Al), % 0.5 to 1.0
0
Carbon (C), % 0 to 0.12
0.1 to 0.2
Chromium (Cr), % 6.0 to 8.0
24.5 to 26.5
Iron (Fe), % 88.8 to 93
64.2 to 71.1
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.5 to 1.0
0.8 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.015