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EN 1.7779 Steel vs. S30601 Stainless Steel

Both EN 1.7779 steel and S30601 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7779 steel and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
37
Fatigue Strength, MPa 430
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 500
450
Tensile Strength: Ultimate (UTS), MPa 810
660
Tensile Strength: Yield (Proof), MPa 660
300

Thermal Properties

Latent Heat of Fusion, J/g 260
370
Maximum Temperature: Mechanical, °C 470
950
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
20
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.8
3.9
Embodied Energy, MJ/kg 41
55
Embodied Water, L/kg 64
150

Common Calculations

PREN (Pitting Resistance) 5.0
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 1150
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 25
22
Thermal Shock Resistance, points 23
16

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.17 to 0.23
0 to 0.015
Chromium (Cr), % 3.0 to 3.3
17 to 18
Copper (Cu), % 0 to 0.3
0 to 0.35
Iron (Fe), % 93.8 to 95.4
56.9 to 60.5
Manganese (Mn), % 0.3 to 0.5
0.5 to 0.8
Molybdenum (Mo), % 0.5 to 0.6
0 to 0.2
Nickel (Ni), % 0 to 0.3
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.15 to 0.35
5.0 to 5.6
Sulfur (S), % 0 to 0.010
0 to 0.013
Vanadium (V), % 0.45 to 0.55
0