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EN 1.7335 Steel vs. S40920 Stainless Steel

Both EN 1.7335 steel and S40920 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 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 1.7335 steel and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 160
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 22
22
Fatigue Strength, MPa 200 to 220
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 310 to 330
270
Tensile Strength: Ultimate (UTS), MPa 500 to 520
430
Tensile Strength: Yield (Proof), MPa 280 to 310
190

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 430
710
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
26
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
6.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.0
Embodied Energy, MJ/kg 21
28
Embodied Water, L/kg 52
94

Common Calculations

PREN (Pitting Resistance) 2.7
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 97
78
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 260
97
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 12
6.9
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0.080 to 0.18
0 to 0.030
Chromium (Cr), % 0.7 to 1.2
10.5 to 11.7
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.4 to 98.4
85.1 to 89.4
Manganese (Mn), % 0.4 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.012
0 to 0.030
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.5