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EN 1.4854 Stainless Steel vs. EN 1.4308 Stainless Steel

Both EN 1.4854 stainless steel and EN 1.4308 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 67% 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 1.4854 stainless steel and the bottom bar is EN 1.4308 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
34
Fatigue Strength, MPa 310
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 750
510
Tensile Strength: Yield (Proof), MPa 340
200

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 34
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.7
3.0
Embodied Energy, MJ/kg 81
43
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 28
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
140
Resilience: Unit (Modulus of Resilience), kJ/m3 280
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 2.9
4.1
Thermal Shock Resistance, points 18
11

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.070
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 24 to 26
18 to 20
Iron (Fe), % 33.6 to 40.6
65.9 to 74
Manganese (Mn), % 0 to 2.0
0 to 1.5
Nickel (Ni), % 34 to 36
8.0 to 11
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.2 to 2.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030