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EN 1.4309 Stainless Steel vs. EN 1.4854 Stainless Steel

Both EN 1.4309 stainless steel and EN 1.4854 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 68% 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 1.4309 stainless steel and the bottom bar is EN 1.4854 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
45
Fatigue Strength, MPa 170
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 490
750
Tensile Strength: Yield (Proof), MPa 210
340

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 960
1170
Melting Completion (Liquidus), °C 1420
1370
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
5.7
Embodied Energy, MJ/kg 45
81
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 21
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
270
Resilience: Unit (Modulus of Resilience), kJ/m3 110
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 4.1
2.9
Thermal Shock Resistance, points 11
18

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 18 to 20
24 to 26
Iron (Fe), % 64.2 to 73
33.6 to 40.6
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 9.0 to 12
34 to 36
Nitrogen (N), % 0 to 0.2
0.12 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.5
1.2 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.015