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EN 1.4458 Stainless Steel vs. EN 1.4849 Stainless Steel

Both EN 1.4458 stainless steel and EN 1.4849 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4458 stainless steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
4.5
Fatigue Strength, MPa 150
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 510
480
Tensile Strength: Yield (Proof), MPa 190
250

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 430
620
Maximum Temperature: Mechanical, °C 1100
1020
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1370
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 30
42
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 5.4
7.1
Embodied Energy, MJ/kg 75
100
Embodied Water, L/kg 200
200

Common Calculations

PREN (Pitting Resistance) 30
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
18
Resilience: Unit (Modulus of Resilience), kJ/m3 89
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 4.2
3.2
Thermal Shock Resistance, points 12
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 19 to 22
18 to 21
Copper (Cu), % 0 to 2.0
0
Iron (Fe), % 40.2 to 53
32.6 to 43.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.5
Nickel (Ni), % 26 to 30
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030