MakeItFrom.com
Menu (ESC)

S44725 Stainless Steel vs. EN 1.4408 Stainless Steel

Both S44725 stainless steel and EN 1.4408 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S44725 stainless steel and the bottom bar is EN 1.4408 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22
34
Fatigue Strength, MPa 210
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
78
Tensile Strength: Ultimate (UTS), MPa 500
510
Tensile Strength: Yield (Proof), MPa 310
210

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 500
420
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
18
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.7
Embodied Energy, MJ/kg 44
52
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 33
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
140
Resilience: Unit (Modulus of Resilience), kJ/m3 240
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 4.6
3.9
Thermal Shock Resistance, points 16
11

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.070
Chromium (Cr), % 25 to 28.5
18 to 20
Iron (Fe), % 67.6 to 73.5
62.4 to 71
Manganese (Mn), % 0 to 0.4
0 to 1.5
Molybdenum (Mo), % 1.5 to 2.5
2.0 to 2.5
Nickel (Ni), % 0 to 0.3
9.0 to 12
Niobium (Nb), % 0 to 0.26
0
Nitrogen (N), % 0 to 0.018
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.040
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.26
0