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S44725 Stainless Steel vs. EN 1.4849 Stainless Steel

Both S44725 stainless steel and EN 1.4849 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 30 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 S44725 stainless steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
4.5
Fatigue Strength, MPa 210
120
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 500
480
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 500
620
Maximum Temperature: Mechanical, °C 1100
1020
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 15
42
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.1
7.1
Embodied Energy, MJ/kg 44
100
Embodied Water, L/kg 170
200

Common Calculations

PREN (Pitting Resistance) 33
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
18
Resilience: Unit (Modulus of Resilience), kJ/m3 240
160
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 4.6
3.2
Thermal Shock Resistance, points 16
11

Alloy Composition

Carbon (C), % 0 to 0.015
0.3 to 0.5
Chromium (Cr), % 25 to 28.5
18 to 21
Iron (Fe), % 67.6 to 73.5
32.6 to 43.5
Manganese (Mn), % 0 to 0.4
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.5
0 to 0.5
Nickel (Ni), % 0 to 0.3
36 to 39
Niobium (Nb), % 0 to 0.26
1.2 to 1.8
Nitrogen (N), % 0 to 0.018
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.040
1.0 to 2.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.26
0