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S30600 Stainless Steel vs. EN 1.6781 Steel

Both S30600 stainless steel and EN 1.6781 steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S30600 stainless steel and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 45
17
Fatigue Strength, MPa 250
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 610
830
Tensile Strength: Yield (Proof), MPa 270
680

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Maximum Temperature: Mechanical, °C 950
450
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
5.0
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.9
Embodied Energy, MJ/kg 51
25
Embodied Water, L/kg 150
60

Common Calculations

PREN (Pitting Resistance) 18
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 14
24

Alloy Composition

Carbon (C), % 0 to 0.018
0.15 to 0.19
Chromium (Cr), % 17 to 18.5
1.3 to 1.8
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 58.9 to 65.3
92.6 to 94.6
Manganese (Mn), % 0 to 2.0
0.55 to 0.8
Molybdenum (Mo), % 0 to 0.2
0.45 to 0.6
Nickel (Ni), % 14 to 15.5
3.0 to 3.5
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 3.7 to 4.3
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015