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S33550 Stainless Steel vs. EN 1.7767 Steel

Both S33550 stainless steel and EN 1.7767 steel are iron alloys. They have 57% 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 S33550 stainless steel and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
20
Fatigue Strength, MPa 270
320 to 340
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
74
Shear Strength, MPa 470
420 to 430
Tensile Strength: Ultimate (UTS), MPa 680
670 to 690
Tensile Strength: Yield (Proof), MPa 310
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
480
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
4.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.3
2.4
Embodied Energy, MJ/kg 61
33
Embodied Water, L/kg 190
64

Common Calculations

PREN (Pitting Resistance) 30
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 15
19 to 20

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.1 to 0.15
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
2.8 to 3.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 48.8 to 58.2
93.8 to 95.8
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 16.5 to 20
0 to 0.25
Niobium (Nb), % 0.050 to 0.15
0 to 0.070
Nitrogen (N), % 0.18 to 0.25
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3