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S44725 Stainless Steel vs. EN 1.4301 Stainless Steel

Both S44725 stainless steel and EN 1.4301 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S44725 stainless steel and the bottom bar is EN 1.4301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22
14 to 46
Fatigue Strength, MPa 210
200 to 330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 320
430 to 550
Tensile Strength: Ultimate (UTS), MPa 500
610 to 900
Tensile Strength: Yield (Proof), MPa 310
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 500
420
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
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
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 44
43
Embodied Water, L/kg 170
140

Common Calculations

PREN (Pitting Resistance) 33
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
110 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 240
120 to 820
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
22 to 32
Strength to Weight: Bending, points 18
20 to 27
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 16
14 to 20

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.070
Chromium (Cr), % 25 to 28.5
17.5 to 19.5
Iron (Fe), % 67.6 to 73.5
66.8 to 74.5
Manganese (Mn), % 0 to 0.4
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.5
0
Nickel (Ni), % 0 to 0.3
8.0 to 10.5
Niobium (Nb), % 0 to 0.26
0
Nitrogen (N), % 0 to 0.018
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.040
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.26
0