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EN 1.4807 Stainless Steel vs. EN 1.7338 Steel

Both EN 1.4807 stainless steel and EN 1.7338 steel are iron alloys. They have 45% 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 1.4807 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 190
190
Elongation at Break, % 4.5
23
Fatigue Strength, MPa 120
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 480
490
Tensile Strength: Yield (Proof), MPa 250
300

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1000
430
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
40
Thermal Expansion, µm/m-K 15
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 39
3.1
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.8
1.6
Embodied Energy, MJ/kg 97
21
Embodied Water, L/kg 190
53

Common Calculations

PREN (Pitting Resistance) 19
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
97
Resilience: Unit (Modulus of Resilience), kJ/m3 160
240
Stiffness to Weight: Axial, points 13
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 3.2
11
Thermal Shock Resistance, points 12
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.3 to 0.5
0 to 0.15
Chromium (Cr), % 17 to 20
1.0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 36.6 to 46.7
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), % 34 to 36
0 to 0.3
Niobium (Nb), % 1.0 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