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EN 1.4825 Stainless Steel vs. AISI 312 Stainless Steel

Both EN 1.4825 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 32 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 1.4825 stainless steel and the bottom bar is AISI 312 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
28
Fatigue Strength, MPa 160
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 510
780
Tensile Strength: Yield (Proof), MPa 260
510

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
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 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 43
48
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 19
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
190
Resilience: Unit (Modulus of Resilience), kJ/m3 170
640
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 12
21

Alloy Composition

Carbon (C), % 0.15 to 0.35
0 to 0.030
Chromium (Cr), % 17 to 19
24 to 26
Iron (Fe), % 65.6 to 74.4
62.2 to 69.2
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
1.2 to 2.0
Nickel (Ni), % 8.0 to 10
5.5 to 6.5
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0.5 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030