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AISI 301L Stainless Steel vs. EN 1.6781 Steel

Both AISI 301L stainless steel and EN 1.6781 steel are iron alloys. They have 80% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 301L stainless steel and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22 to 50
17
Fatigue Strength, MPa 240 to 530
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 620 to 1040
830
Tensile Strength: Yield (Proof), MPa 250 to 790
680

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 890
450
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 39
25
Embodied Water, L/kg 130
60

Common Calculations

PREN (Pitting Resistance) 19
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
130
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1580
1220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 37
29
Strength to Weight: Bending, points 21 to 29
25
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 14 to 24
24

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.19
Chromium (Cr), % 16 to 18
1.3 to 1.8
Iron (Fe), % 70.7 to 78
92.6 to 94.6
Manganese (Mn), % 0 to 2.0
0.55 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 6.0 to 8.0
3.0 to 3.5
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015