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EN 1.4539 Stainless Steel vs. S44700 Stainless Steel

Both EN 1.4539 stainless steel and S44700 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4539 stainless steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 38
23
Fatigue Strength, MPa 220
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
82
Shear Strength, MPa 430
380
Tensile Strength: Ultimate (UTS), MPa 630
600
Tensile Strength: Yield (Proof), MPa 260
450

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
18
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.7
3.6
Embodied Energy, MJ/kg 78
49
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 36
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 20
20
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.010
Chromium (Cr), % 19 to 21
28 to 30
Copper (Cu), % 1.2 to 2.0
0 to 0.15
Iron (Fe), % 43.1 to 51.8
64.9 to 68.5
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 4.0 to 5.0
3.5 to 4.2
Nickel (Ni), % 24 to 26
0 to 0.15
Nitrogen (N), % 0 to 0.15
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.2
Sulfur (S), % 0 to 0.010
0 to 0.020