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EN 1.4903 Stainless Steel vs. S44735 Stainless Steel

Both EN 1.4903 stainless steel and S44735 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4903 stainless steel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20 to 21
21
Fatigue Strength, MPa 320 to 330
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
82
Shear Strength, MPa 420
390
Tensile Strength: Ultimate (UTS), MPa 670 to 680
630
Tensile Strength: Yield (Proof), MPa 500
460

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 380
650
Maximum Temperature: Mechanical, °C 650
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
21
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.6
4.4
Embodied Energy, MJ/kg 36
61
Embodied Water, L/kg 88
180

Common Calculations

PREN (Pitting Resistance) 13
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 650
520
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 23
20

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.12
0 to 0.030
Chromium (Cr), % 8.0 to 9.5
28 to 30
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 87.1 to 90.5
60.7 to 68.4
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.85 to 1.1
3.6 to 4.2
Nickel (Ni), % 0 to 0.4
0 to 1.0
Niobium (Nb), % 0.060 to 0.1
0.2 to 1.0
Nitrogen (N), % 0.030 to 0.070
0 to 0.045
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0
Vanadium (V), % 0.18 to 0.25
0