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EN 1.4945 Stainless Steel vs. S44635 Stainless Steel

Both EN 1.4945 stainless steel and S44635 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
240
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 19 to 34
23
Fatigue Strength, MPa 230 to 350
390
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 430 to 460
450
Tensile Strength: Ultimate (UTS), MPa 640 to 740
710
Tensile Strength: Yield (Proof), MPa 290 to 550
580

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 520
610
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
470
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
22
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.0
4.4
Embodied Energy, MJ/kg 73
62
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 23
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
150
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
810
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
25
Strength to Weight: Bending, points 20 to 22
23
Thermal Diffusivity, mm2/s 3.7
4.4
Thermal Shock Resistance, points 14 to 16
23

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.025
Chromium (Cr), % 15.5 to 17.5
24.5 to 26
Iron (Fe), % 57.9 to 65.7
61.5 to 68.5
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 15.5 to 17.5
3.5 to 4.5
Niobium (Nb), % 0.4 to 1.2
0.2 to 0.8
Nitrogen (N), % 0.060 to 0.14
0 to 0.035
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8
Tungsten (W), % 2.5 to 3.5
0