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EN 1.4945 Stainless Steel vs. EN 1.4584 Stainless Steel

Both EN 1.4945 stainless steel and EN 1.4584 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 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 1.4945 stainless steel and the bottom bar is EN 1.4584 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 19 to 34
34
Fatigue Strength, MPa 230 to 350
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 640 to 740
500
Tensile Strength: Yield (Proof), MPa 290 to 550
210

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 520
420
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1490
1440
Melting Onset (Solidus), °C 1440
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 14
17
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 5.0
5.7
Embodied Energy, MJ/kg 73
78
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 23
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
17
Strength to Weight: Bending, points 20 to 22
17
Thermal Diffusivity, mm2/s 3.7
4.5
Thermal Shock Resistance, points 14 to 16
12

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.025
Chromium (Cr), % 15.5 to 17.5
19 to 21
Copper (Cu), % 0
1.0 to 3.0
Iron (Fe), % 57.9 to 65.7
41.7 to 52
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 15.5 to 17.5
24 to 26
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 2.5 to 3.5
0