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EN 1.3956 Stainless Steel vs. EN 1.4560 Stainless Steel

Both EN 1.3956 stainless steel and EN 1.4560 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 86% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 1.4560 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 27
50
Fatigue Strength, MPa 240
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 650
550
Tensile Strength: Yield (Proof), MPa 330
190

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1080
940
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
3.0
Embodied Energy, MJ/kg 68
42
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 34
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
220
Resilience: Unit (Modulus of Resilience), kJ/m3 270
92
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
20
Strength to Weight: Bending, points 21
19
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.035
Chromium (Cr), % 20.5 to 23.5
18 to 19
Copper (Cu), % 0
1.5 to 2.0
Iron (Fe), % 51.9 to 62.1
66.8 to 71
Manganese (Mn), % 4.0 to 6.0
1.5 to 2.0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
8.0 to 9.0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.1 to 0.3
0