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EN 1.4594 Stainless Steel vs. S44700 Stainless Steel

Both EN 1.4594 stainless steel and S44700 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 28 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 1.4594 stainless steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11 to 17
23
Fatigue Strength, MPa 490 to 620
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
82
Shear Strength, MPa 620 to 700
380
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
600
Tensile Strength: Yield (Proof), MPa 810 to 1140
450

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 820
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.2
3.6
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 19
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 41
21
Strength to Weight: Bending, points 29 to 31
20
Thermal Shock Resistance, points 34 to 39
19

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.010
Chromium (Cr), % 13 to 15
28 to 30
Copper (Cu), % 1.2 to 2.0
0 to 0.15
Iron (Fe), % 72.6 to 79.5
64.9 to 68.5
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 1.2 to 2.0
3.5 to 4.2
Nickel (Ni), % 5.0 to 6.0
0 to 0.15
Niobium (Nb), % 0.15 to 0.6
0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.020