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EN 1.7710 Steel vs. S39274 Stainless Steel

Both EN 1.7710 steel and S39274 stainless steel are iron alloys. They have 65% 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 1.7710 steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 320
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 6.8 to 11
17
Fatigue Strength, MPa 500 to 620
380
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
900
Tensile Strength: Yield (Proof), MPa 800 to 1060
620

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.2
4.3
Embodied Energy, MJ/kg 30
60
Embodied Water, L/kg 57
180

Common Calculations

PREN (Pitting Resistance) 4.5
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33 to 38
32
Strength to Weight: Bending, points 27 to 30
26
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 27 to 31
25

Alloy Composition

Carbon (C), % 0.12 to 0.18
0 to 0.030
Chromium (Cr), % 1.3 to 1.8
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 95.1 to 97
57 to 65.6
Manganese (Mn), % 0.6 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.8 to 1.0
2.5 to 3.5
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5
Vanadium (V), % 0.15 to 0.25
0