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EN 1.3956 Stainless Steel vs. EN 1.4527 Stainless Steel

Both EN 1.3956 stainless steel and EN 1.4527 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 80% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 stainless steel and the bottom bar is EN 1.4527 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 27
40
Fatigue Strength, MPa 240
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 650
480
Tensile Strength: Yield (Proof), MPa 330
190

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 460
430
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 22
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.8
5.6
Embodied Energy, MJ/kg 68
78
Embodied Water, L/kg 180
210

Common Calculations

PREN (Pitting Resistance) 34
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
150
Resilience: Unit (Modulus of Resilience), kJ/m3 270
95
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
17
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.060
Chromium (Cr), % 20.5 to 23.5
19 to 22
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 51.9 to 62.1
37.4 to 48.5
Manganese (Mn), % 4.0 to 6.0
0 to 1.5
Molybdenum (Mo), % 1.5 to 3.0
2.0 to 3.0
Nickel (Ni), % 11.5 to 13.5
27.5 to 30.5
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0