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EN 1.7335 Steel vs. S33550 Stainless Steel

Both EN 1.7335 steel and S33550 stainless steel are iron alloys. They have 55% 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 S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21 to 22
40
Fatigue Strength, MPa 200 to 220
270
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 310 to 330
470
Tensile Strength: Ultimate (UTS), MPa 500 to 520
680
Tensile Strength: Yield (Proof), MPa 280 to 310
310

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
24
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
4.3
Embodied Energy, MJ/kg 21
61
Embodied Water, L/kg 52
190

Common Calculations

PREN (Pitting Resistance) 2.7
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 97
220
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 260
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0.080 to 0.18
0.040 to 0.1
Cerium (Ce), % 0
0.025 to 0.070
Chromium (Cr), % 0.7 to 1.2
25 to 28
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.4 to 98.4
48.8 to 58.2
Lanthanum (La), % 0
0.025 to 0.070
Manganese (Mn), % 0.4 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 0
16.5 to 20
Niobium (Nb), % 0
0.050 to 0.15
Nitrogen (N), % 0 to 0.012
0.18 to 0.25
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 0.030