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EN 1.7338 Steel vs. S32001 Stainless Steel

Both EN 1.7338 steel and S32001 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7338 steel and the bottom bar is S32001 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
28
Fatigue Strength, MPa 220
370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 310
450
Tensile Strength: Ultimate (UTS), MPa 490
690
Tensile Strength: Yield (Proof), MPa 300
510

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 430
970
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.6
Embodied Energy, MJ/kg 21
37
Embodied Water, L/kg 53
150

Common Calculations

PREN (Pitting Resistance) 3.1
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
180
Resilience: Unit (Modulus of Resilience), kJ/m3 240
660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
25
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 1.0 to 1.5
19.5 to 21.5
Copper (Cu), % 0 to 0.3
0 to 1.0
Iron (Fe), % 95.4 to 97.8
66.6 to 75.5
Manganese (Mn), % 0.3 to 0.6
4.0 to 6.0
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.6
Nickel (Ni), % 0 to 0.3
1.0 to 3.0
Nitrogen (N), % 0
0.050 to 0.17
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.5 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030