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S45500 Stainless Steel vs. EN 1.7706 Steel

Both S45500 stainless steel and EN 1.7706 steel are iron alloys. They have 78% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S45500 stainless steel and the bottom bar is EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 500
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 3.4 to 11
17
Fatigue Strength, MPa 570 to 890
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 1370 to 1850
690
Tensile Strength: Yield (Proof), MPa 1240 to 1700
500

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 760
440
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 17
3.7
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.8
2.3
Embodied Energy, MJ/kg 57
32
Embodied Water, L/kg 120
57

Common Calculations

PREN (Pitting Resistance) 13
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 190
110
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 48 to 65
24
Strength to Weight: Bending, points 35 to 42
22
Thermal Shock Resistance, points 48 to 64
20

Alloy Composition

Carbon (C), % 0 to 0.050
0.15 to 0.2
Chromium (Cr), % 11 to 12.5
1.2 to 1.5
Copper (Cu), % 1.5 to 2.5
0 to 0.3
Iron (Fe), % 71.5 to 79.2
94.7 to 97.1
Manganese (Mn), % 0 to 0.5
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.1
Nickel (Ni), % 7.5 to 9.5
0 to 0.4
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0.8 to 1.4
0
Vanadium (V), % 0
0.2 to 0.3