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EN 1.4855 Stainless Steel vs. EN 1.4597 Stainless Steel

Both EN 1.4855 stainless steel and EN 1.4597 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4855 stainless steel and the bottom bar is EN 1.4597 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.6
45
Fatigue Strength, MPa 120
300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 500
680
Tensile Strength: Yield (Proof), MPa 250
330

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 610
410
Maximum Temperature: Mechanical, °C 1050
860
Melting Completion (Liquidus), °C 1400
1400
Melting Onset (Solidus), °C 1350
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 34
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 5.9
2.5
Embodied Energy, MJ/kg 85
36
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 25
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
250
Resilience: Unit (Modulus of Resilience), kJ/m3 160
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 3.7
4.1
Thermal Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.1
Chromium (Cr), % 23 to 25
15 to 18
Copper (Cu), % 0
2.0 to 3.5
Iron (Fe), % 42.6 to 51.9
63 to 76.4
Manganese (Mn), % 0 to 2.0
6.5 to 9.0
Molybdenum (Mo), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 23 to 25
0 to 3.0
Niobium (Nb), % 0.8 to 1.8
0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030