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S44735 Stainless Steel vs. EN 1.4421 Stainless Steel

Both S44735 stainless steel and EN 1.4421 stainless steel are iron alloys. They have 83% 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 S44735 stainless steel and the bottom bar is EN 1.4421 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 21
11 to 17
Fatigue Strength, MPa 300
380 to 520
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
77
Tensile Strength: Ultimate (UTS), MPa 630
880 to 1100
Tensile Strength: Yield (Proof), MPa 460
620 to 950

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 650
410
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 21
12
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.4
2.6
Embodied Energy, MJ/kg 61
36
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 42
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 520
960 to 2270
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 23
31 to 39
Strength to Weight: Bending, points 21
26 to 30
Thermal Shock Resistance, points 20
31 to 39

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 28 to 30
15.5 to 17.5
Iron (Fe), % 60.7 to 68.4
74.4 to 80.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.6 to 4.2
0 to 0.7
Nickel (Ni), % 0 to 1.0
4.0 to 5.5
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0.2 to 1.0
0