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AISI 312 Stainless Steel vs. EN 1.4529 Stainless Steel

Both AISI 312 stainless steel and EN 1.4529 stainless steel are iron alloys. They have 75% 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 AISI 312 stainless steel and the bottom bar is EN 1.4529 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
43
Fatigue Strength, MPa 370
310
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
80
Shear Strength, MPa 510
520
Tensile Strength: Ultimate (UTS), MPa 780
750
Tensile Strength: Yield (Proof), MPa 510
340

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
33
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.4
6.2
Embodied Energy, MJ/kg 48
84
Embodied Water, L/kg 170
200

Common Calculations

PREN (Pitting Resistance) 33
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
260
Resilience: Unit (Modulus of Resilience), kJ/m3 640
280
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 21
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 24 to 26
19 to 21
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 62.2 to 69.2
42.7 to 50.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.2 to 2.0
6.0 to 7.0
Nickel (Ni), % 5.5 to 6.5
24 to 26
Nitrogen (N), % 0.14 to 0.2
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010