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EN 1.4021 Stainless Steel vs. S45500 Stainless Steel

Both EN 1.4021 stainless steel and S45500 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4021 stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
3.4 to 11
Fatigue Strength, MPa 240 to 380
570 to 890
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 390 to 530
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 630 to 880
1370 to 1850
Tensile Strength: Yield (Proof), MPa 390 to 670
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
620
Maximum Temperature: Mechanical, °C 760
760
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
17
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.9
3.8
Embodied Energy, MJ/kg 27
57
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 13
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 31
48 to 65
Strength to Weight: Bending, points 21 to 26
35 to 42
Thermal Shock Resistance, points 22 to 31
48 to 64

Alloy Composition

Carbon (C), % 0.16 to 0.25
0 to 0.050
Chromium (Cr), % 12 to 14
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 83.2 to 87.8
71.5 to 79.2
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4

Comparable Variants