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EN 1.4855 Stainless Steel vs. EN 1.7338 Steel

Both EN 1.4855 stainless steel and EN 1.7338 steel are iron alloys. They have 50% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4855 stainless steel and the bottom bar is EN 1.7338 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.6
23
Fatigue Strength, MPa 120
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
490
Tensile Strength: Yield (Proof), MPa 250
300

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1050
430
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 5.9
1.6
Embodied Energy, MJ/kg 85
21
Embodied Water, L/kg 200
53

Common Calculations

PREN (Pitting Resistance) 25
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
97
Resilience: Unit (Modulus of Resilience), kJ/m3 160
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 11
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.3 to 0.5
0 to 0.15
Chromium (Cr), % 23 to 25
1.0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 42.6 to 51.9
95.4 to 97.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.45 to 0.65
Nickel (Ni), % 23 to 25
0 to 0.3
Niobium (Nb), % 0.8 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010