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AISI 316H Stainless Steel vs. EN 1.6781 Steel

Both AISI 316H stainless steel and EN 1.6781 steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 316H 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 200
190
Elongation at Break, % 40
17
Fatigue Strength, MPa 200
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 580
830
Tensile Strength: Yield (Proof), MPa 230
680

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 940
450
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
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 2.6
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
1.9
Embodied Energy, MJ/kg 53
25
Embodied Water, L/kg 150
60

Common Calculations

PREN (Pitting Resistance) 25
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
130
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 4.2
12
Thermal Shock Resistance, points 13
24

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.15 to 0.19
Chromium (Cr), % 16 to 18
1.3 to 1.8
Iron (Fe), % 62.1 to 72
92.6 to 94.6
Manganese (Mn), % 0 to 2.0
0.55 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
0.45 to 0.6
Nickel (Ni), % 10 to 14
3.0 to 3.5
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015