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EN 1.7706 Steel vs. S13800 Stainless Steel

Both EN 1.7706 steel and S13800 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7706 steel and the bottom bar is S13800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
290 to 480
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
11 to 18
Fatigue Strength, MPa 330
410 to 870
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 690
980 to 1730
Tensile Strength: Yield (Proof), MPa 500
660 to 1580

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 440
810
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
15
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.3
3.4
Embodied Energy, MJ/kg 32
46
Embodied Water, L/kg 57
140

Common Calculations

PREN (Pitting Resistance) 4.7
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 670
1090 to 5490
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
35 to 61
Strength to Weight: Bending, points 22
28 to 41
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 20
33 to 58

Alloy Composition

Aluminum (Al), % 0
0.9 to 1.4
Carbon (C), % 0.15 to 0.2
0 to 0.050
Chromium (Cr), % 1.2 to 1.5
12.3 to 13.2
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.7 to 97.1
73.6 to 77.3
Manganese (Mn), % 0.5 to 0.9
0 to 0.2
Molybdenum (Mo), % 0.9 to 1.1
2.0 to 3.0
Nickel (Ni), % 0 to 0.4
7.5 to 8.5
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.6
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.0080
Vanadium (V), % 0.2 to 0.3
0