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EN 1.4307 Stainless Steel vs. S44800 Stainless Steel

Both EN 1.4307 stainless steel and S44800 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 33 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 EN 1.4307 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 14 to 46
23
Fatigue Strength, MPa 190 to 320
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
82
Shear Strength, MPa 410 to 550
370
Tensile Strength: Ultimate (UTS), MPa 590 to 900
590
Tensile Strength: Yield (Proof), MPa 200 to 570
450

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 43
52
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 19
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 810
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
21
Strength to Weight: Bending, points 20 to 27
20
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 13 to 20
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 17.5 to 19.5
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 66.8 to 74.5
62.6 to 66.5
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 8.0 to 10.5
2.0 to 2.5
Nitrogen (N), % 0 to 0.1
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.020