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EN 1.4537 Stainless Steel vs. EN 1.4361 Stainless Steel

Both EN 1.4537 stainless steel and EN 1.4361 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 75% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4537 stainless steel and the bottom bar is EN 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
200
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 42
43
Fatigue Strength, MPa 290
220
Impact Strength: V-Notched Charpy, J 91
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Shear Strength, MPa 480
440
Tensile Strength: Ultimate (UTS), MPa 700
630
Tensile Strength: Yield (Proof), MPa 330
250

Thermal Properties

Latent Heat of Fusion, J/g 310
350
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
19
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 6.1
3.6
Embodied Energy, MJ/kg 84
52
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 46
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
220
Resilience: Unit (Modulus of Resilience), kJ/m3 270
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 3.7
3.7
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.015
Chromium (Cr), % 24 to 26
16.5 to 18.5
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 36.3 to 46.1
58.7 to 65.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 4.7 to 5.7
0 to 0.2
Nickel (Ni), % 24 to 27
14 to 16
Nitrogen (N), % 0.17 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.7
3.7 to 4.5
Sulfur (S), % 0 to 0.010
0 to 0.010