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EN 1.4512 Stainless Steel vs. AISI 304 Stainless Steel

Both EN 1.4512 stainless steel and AISI 304 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4512 stainless steel and the bottom bar is AISI 304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 28
8.0 to 43
Fatigue Strength, MPa 180
210 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 310
400 to 690
Tensile Strength: Ultimate (UTS), MPa 470
580 to 1180
Tensile Strength: Yield (Proof), MPa 240
230 to 860

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 720
710
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
3.0
Embodied Energy, MJ/kg 27
43
Embodied Water, L/kg 95
150

Common Calculations

PREN (Pitting Resistance) 12
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
86 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 150
140 to 1870
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
21 to 42
Strength to Weight: Bending, points 17
20 to 32
Thermal Diffusivity, mm2/s 6.7
4.2
Thermal Shock Resistance, points 17
12 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 10.5 to 12.5
18 to 20
Iron (Fe), % 84.8 to 89.5
66.5 to 74
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.65
0