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EN 1.4369 Stainless Steel vs. EN 1.4724 Stainless Steel

Both EN 1.4369 stainless steel and EN 1.4724 stainless steel are iron alloys. They have 81% 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 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
16
Fatigue Strength, MPa 330
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 580
340
Tensile Strength: Ultimate (UTS), MPa 850
550
Tensile Strength: Yield (Proof), MPa 390
280

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 940
850
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 17
11

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
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.0
Embodied Energy, MJ/kg 43
28
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 23
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
73
Resilience: Unit (Modulus of Resilience), kJ/m3 380
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
20
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 4.0
5.6
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0.070 to 0.15
0 to 0.12
Chromium (Cr), % 17.5 to 19.5
12 to 14
Iron (Fe), % 63 to 70.2
82.2 to 86.6
Manganese (Mn), % 5.0 to 7.5
0 to 1.0
Nickel (Ni), % 6.5 to 8.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.5 to 1.0
0.7 to 1.4
Sulfur (S), % 0 to 0.015
0 to 0.015