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EN 1.4859 Stainless Steel vs. EN 1.7338 Steel

Both EN 1.4859 stainless steel and EN 1.7338 steel are iron alloys. They have 48% of their average alloy composition in common. There are 31 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 1.4859 stainless steel and the bottom bar is EN 1.7338 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
23
Fatigue Strength, MPa 140
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 490
490
Tensile Strength: Yield (Proof), MPa 210
300

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1050
430
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.1
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.6
Embodied Energy, MJ/kg 88
21
Embodied Water, L/kg 190
53

Common Calculations

PREN (Pitting Resistance) 21
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
97
Resilience: Unit (Modulus of Resilience), kJ/m3 110
240
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 17
18
Thermal Diffusivity, mm2/s 3.4
11
Thermal Shock Resistance, points 11
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.050 to 0.15
0 to 0.15
Chromium (Cr), % 19 to 21
1.0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 40.3 to 49
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), % 31 to 33
0 to 0.3
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.5 to 1.5
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010