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EN 1.4507 Stainless Steel vs. EN 1.4369 Stainless Steel

Both EN 1.4507 stainless steel and EN 1.4369 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4507 stainless steel and the bottom bar is EN 1.4369 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
40
Fatigue Strength, MPa 410
330
Impact Strength: V-Notched Charpy, J 90
91
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 530
580
Tensile Strength: Ultimate (UTS), MPa 840
850
Tensile Strength: Yield (Proof), MPa 590
390

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 21
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.0
3.0
Embodied Energy, MJ/kg 55
43
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 41
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
280
Resilience: Unit (Modulus of Resilience), kJ/m3 850
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
31
Strength to Weight: Bending, points 25
26
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 23
18

Alloy Composition

Carbon (C), % 0 to 0.030
0.070 to 0.15
Chromium (Cr), % 24 to 26
17.5 to 19.5
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 56.4 to 65.8
63 to 70.2
Manganese (Mn), % 0 to 2.0
5.0 to 7.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.0 to 8.0
6.5 to 8.5
Nitrogen (N), % 0.2 to 0.3
0.2 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.7
0.5 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015