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EN 1.4945 Stainless Steel vs. S44735 Stainless Steel

Both EN 1.4945 stainless steel and S44735 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4945 stainless steel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 19 to 34
21
Fatigue Strength, MPa 230 to 350
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
82
Shear Strength, MPa 430 to 460
390
Tensile Strength: Ultimate (UTS), MPa 640 to 740
630
Tensile Strength: Yield (Proof), MPa 290 to 550
460

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 520
650
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
21
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.0
4.4
Embodied Energy, MJ/kg 73
61
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
520
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 22 to 25
23
Strength to Weight: Bending, points 20 to 22
21
Thermal Shock Resistance, points 14 to 16
20

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
28 to 30
Iron (Fe), % 57.9 to 65.7
60.7 to 68.4
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
3.6 to 4.2
Nickel (Ni), % 15.5 to 17.5
0 to 1.0
Niobium (Nb), % 0.4 to 1.2
0.2 to 1.0
Nitrogen (N), % 0.060 to 0.14
0 to 0.045
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0
Tungsten (W), % 2.5 to 3.5
0