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EN 1.4580 Stainless Steel vs. AISI 312 Stainless Steel

Both EN 1.4580 stainless steel and AISI 312 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 33 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 EN 1.4580 stainless steel and the bottom bar is AISI 312 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
28
Fatigue Strength, MPa 210
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
80
Shear Strength, MPa 430
510
Tensile Strength: Ultimate (UTS), MPa 620
780
Tensile Strength: Yield (Proof), MPa 250
510

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 480
450
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 22
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.3
3.4
Embodied Energy, MJ/kg 60
48
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 25
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
190
Resilience: Unit (Modulus of Resilience), kJ/m3 150
640
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
28
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
24 to 26
Iron (Fe), % 61.4 to 71
62.2 to 69.2
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
1.2 to 2.0
Nickel (Ni), % 10.5 to 13.5
5.5 to 6.5
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030