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EN 1.4369 Stainless Steel vs. EN 1.4872 Stainless Steel

Both EN 1.4369 stainless steel and EN 1.4872 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a moderately high 91% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4369 stainless steel and the bottom bar is EN 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
28
Fatigue Strength, MPa 330
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 580
620
Tensile Strength: Ultimate (UTS), MPa 850
950
Tensile Strength: Yield (Proof), MPa 390
560

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 940
1150
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1360
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
17
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 43
47
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
230
Resilience: Unit (Modulus of Resilience), kJ/m3 380
780
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 31
35
Strength to Weight: Bending, points 26
28
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 18
21

Alloy Composition

Carbon (C), % 0.070 to 0.15
0.2 to 0.3
Chromium (Cr), % 17.5 to 19.5
24 to 26
Iron (Fe), % 63 to 70.2
54.2 to 61.6
Manganese (Mn), % 5.0 to 7.5
8.0 to 10
Nickel (Ni), % 6.5 to 8.5
6.0 to 8.0
Nitrogen (N), % 0.2 to 0.3
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.5 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015