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EN 1.4618 Stainless Steel vs. S44735 Stainless Steel

Both EN 1.4618 stainless steel and S44735 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4618 stainless steel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 51
21
Fatigue Strength, MPa 240 to 250
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
82
Shear Strength, MPa 480 to 500
390
Tensile Strength: Ultimate (UTS), MPa 680 to 700
630
Tensile Strength: Yield (Proof), MPa 250 to 260
460

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
650
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
21
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.7
4.4
Embodied Energy, MJ/kg 39
61
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 19
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
520
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 24 to 25
23
Strength to Weight: Bending, points 22 to 23
21
Thermal Shock Resistance, points 15 to 16
20

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
28 to 30
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 62.7 to 72.5
60.7 to 68.4
Manganese (Mn), % 5.5 to 9.5
0 to 1.0
Molybdenum (Mo), % 0
3.6 to 4.2
Nickel (Ni), % 4.5 to 5.5
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0 to 0.15
0 to 0.045
Phosphorus (P), % 0 to 0.070
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0