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EN 1.3956 Stainless Steel vs. S44625 Stainless Steel

Both EN 1.3956 stainless steel and S44625 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 27
22
Fatigue Strength, MPa 240
240
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 650
590
Tensile Strength: Yield (Proof), MPa 330
360

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 68
39
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 34
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 270
310
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.010
Chromium (Cr), % 20.5 to 23.5
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 51.9 to 62.1
69.4 to 74.3
Manganese (Mn), % 4.0 to 6.0
0 to 0.4
Molybdenum (Mo), % 1.5 to 3.0
0.75 to 1.5
Nickel (Ni), % 11.5 to 13.5
0 to 0.5
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0.1 to 0.3
0