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EN 1.4512 Stainless Steel vs. EN 1.4319 Stainless Steel

Both EN 1.4512 stainless steel and EN 1.4319 stainless steel are iron alloys. They have 87% 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 EN 1.4319 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 28
51
Fatigue Strength, MPa 180
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 310
460
Tensile Strength: Ultimate (UTS), MPa 470
640
Tensile Strength: Yield (Proof), MPa 240
250

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 720
890
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 11
16

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
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 27
39
Embodied Water, L/kg 95
130

Common Calculations

PREN (Pitting Resistance) 12
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
260
Resilience: Unit (Modulus of Resilience), kJ/m3 150
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 17
21
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 17
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 10.5 to 12.5
16 to 18
Iron (Fe), % 84.8 to 89.5
70.8 to 78
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
6.0 to 8.0
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 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.65
0