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EN 1.4526 Stainless Steel vs. S44627 Stainless Steel

Both EN 1.4526 stainless steel and S44627 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 90% 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 EN 1.4526 stainless steel and the bottom bar is S44627 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
24
Fatigue Strength, MPa 230
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Shear Strength, MPa 340
310
Tensile Strength: Ultimate (UTS), MPa 540
490
Tensile Strength: Yield (Proof), MPa 330
300

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 490
470
Maximum Temperature: Mechanical, °C 880
1100
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
17
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.9
Embodied Energy, MJ/kg 41
41
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 21
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 280
220
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 8.1
4.6
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 16 to 18
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 77.4 to 83.1
69.2 to 74.2
Manganese (Mn), % 0 to 1.0
0 to 0.4
Molybdenum (Mo), % 0.8 to 1.4
0.75 to 1.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0.1 to 1.0
0.050 to 0.2
Nitrogen (N), % 0 to 0.040
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 0.015
0 to 0.020