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EN 1.4458 Stainless Steel vs. AISI 316H Stainless Steel

Both EN 1.4458 stainless steel and AISI 316H stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 32 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 EN 1.4458 stainless steel and the bottom bar is AISI 316H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
40
Fatigue Strength, MPa 150
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 510
580
Tensile Strength: Yield (Proof), MPa 190
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
19
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.4
3.9
Embodied Energy, MJ/kg 75
53
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 30
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
190
Resilience: Unit (Modulus of Resilience), kJ/m3 89
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 4.2
4.2
Thermal Shock Resistance, points 12
13

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.1
Chromium (Cr), % 19 to 22
16 to 18
Copper (Cu), % 0 to 2.0
0
Iron (Fe), % 40.2 to 53
62.1 to 72
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
2.0 to 3.0
Nickel (Ni), % 26 to 30
10 to 14
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030