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EN 1.4451 Stainless Steel vs. EN 1.4805 Stainless Steel

Both EN 1.4451 stainless steel and EN 1.4805 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4451 stainless steel and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
9.0
Fatigue Strength, MPa 370
130
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 750
490
Tensile Strength: Yield (Proof), MPa 540
250

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 20
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
4.7
Embodied Energy, MJ/kg 53
66
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 39
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
37
Resilience: Unit (Modulus of Resilience), kJ/m3 710
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
17
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.5
3.7
Thermal Shock Resistance, points 16
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.5
Chromium (Cr), % 25 to 27
19 to 23
Copper (Cu), % 2.8 to 3.5
0
Iron (Fe), % 56.2 to 64.6
44.9 to 56.8
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.5
Nickel (Ni), % 5.0 to 7.0
23 to 27
Nitrogen (N), % 0.12 to 0.22
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