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S15500 Stainless Steel vs. EN 1.7767 Steel

Both S15500 stainless steel and EN 1.7767 steel are iron alloys. They have 80% of their average alloy composition in common. There are 33 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 S15500 stainless steel and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8 to 16
20
Fatigue Strength, MPa 350 to 650
320 to 340
Impact Strength: V-Notched Charpy, J 7.8 to 53
46
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
74
Shear Strength, MPa 540 to 870
420 to 430
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
670 to 690
Tensile Strength: Yield (Proof), MPa 590 to 1310
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 820
480
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 39
33
Embodied Water, L/kg 130
64

Common Calculations

PREN (Pitting Resistance) 15
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 53
24
Strength to Weight: Bending, points 26 to 37
22
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 30 to 50
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.070
0.1 to 0.15
Chromium (Cr), % 14 to 15.5
2.8 to 3.3
Copper (Cu), % 2.5 to 4.5
0 to 0.25
Iron (Fe), % 71.9 to 79.9
93.8 to 95.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 3.5 to 5.5
0 to 0.25
Niobium (Nb), % 0.15 to 0.45
0 to 0.070
Nitrogen (N), % 0
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