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S45503 Stainless Steel vs. EN 1.4421 Stainless Steel

Both S45503 stainless steel and EN 1.4421 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S45503 stainless steel and the bottom bar is EN 1.4421 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.6 to 6.8
11 to 17
Fatigue Strength, MPa 710 to 800
380 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 1610 to 1850
880 to 1100
Tensile Strength: Yield (Proof), MPa 1430 to 1700
620 to 950

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 640
410
Maximum Temperature: Mechanical, °C 760
870
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
2.6
Embodied Energy, MJ/kg 48
36
Embodied Water, L/kg 120
130

Common Calculations

PREN (Pitting Resistance) 13
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 110
120 to 140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 57 to 65
31 to 39
Strength to Weight: Bending, points 39 to 43
26 to 30
Thermal Shock Resistance, points 56 to 64
31 to 39

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.060
Chromium (Cr), % 11 to 12.5
15.5 to 17.5
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 72.4 to 78.9
74.4 to 80.5
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.7
Nickel (Ni), % 7.5 to 9.5
4.0 to 5.5
Niobium (Nb), % 0.1 to 0.5
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.2
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 1.0 to 1.4
0

Comparable Variants