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S30601 Stainless Steel vs. EN 1.6781 Steel

Both S30601 stainless steel and EN 1.6781 steel are iron alloys. They have 65% of their average alloy composition in common. There are 27 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 S30601 stainless steel and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 37
17
Fatigue Strength, MPa 250
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 660
830
Tensile Strength: Yield (Proof), MPa 300
680

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Maximum Temperature: Mechanical, °C 950
450
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 20
5.0
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 3.9
1.9
Embodied Energy, MJ/kg 55
25
Embodied Water, L/kg 150
60

Common Calculations

PREN (Pitting Resistance) 18
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
130
Resilience: Unit (Modulus of Resilience), kJ/m3 230
1220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 22
25
Thermal Shock Resistance, points 16
24

Alloy Composition

Carbon (C), % 0 to 0.015
0.15 to 0.19
Chromium (Cr), % 17 to 18
1.3 to 1.8
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 56.9 to 60.5
92.6 to 94.6
Manganese (Mn), % 0.5 to 0.8
0.55 to 0.8
Molybdenum (Mo), % 0 to 0.2
0.45 to 0.6
Nickel (Ni), % 17 to 18
3.0 to 3.5
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 5.0 to 5.6
0 to 0.5
Sulfur (S), % 0 to 0.013
0 to 0.015