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EN 1.4305 Stainless Steel vs. EN 1.4864 Stainless Steel

Both EN 1.4305 stainless steel and EN 1.4864 stainless steel are iron alloys. They have 73% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4305 stainless steel and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
33
Fatigue Strength, MPa 190 to 330
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 420 to 550
430
Tensile Strength: Ultimate (UTS), MPa 610 to 900
650
Tensile Strength: Yield (Proof), MPa 220 to 570
260

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 930
1100
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.0
5.3
Embodied Energy, MJ/kg 42
75
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 19
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
170
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 830
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 32
23
Strength to Weight: Bending, points 20 to 27
21
Thermal Diffusivity, mm2/s 4.0
3.3
Thermal Shock Resistance, points 14 to 20
17

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 17 to 19
15 to 17
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.4 to 74.9
41.7 to 51
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 8.0 to 10
33 to 37
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0.15 to 0.35
0 to 0.015