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EN 1.4458 Stainless Steel vs. EN 1.4805 Stainless Steel

Both EN 1.4458 stainless steel and EN 1.4805 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4458 stainless steel and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
9.0
Fatigue Strength, MPa 150
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 510
490
Tensile Strength: Yield (Proof), MPa 190
250

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.4
4.7
Embodied Energy, MJ/kg 75
66
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 30
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
37
Resilience: Unit (Modulus of Resilience), kJ/m3 89
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 4.2
3.7
Thermal Shock Resistance, points 12
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.5
Chromium (Cr), % 19 to 22
19 to 23
Copper (Cu), % 0 to 2.0
0
Iron (Fe), % 40.2 to 53
44.9 to 56.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.5
Nickel (Ni), % 26 to 30
23 to 27
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.030