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EN 1.4568 Stainless Steel vs. S44700 Stainless Steel

Both EN 1.4568 stainless steel and S44700 stainless steel are iron alloys. They have 84% 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 1.4568 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, % 2.3 to 21
23
Fatigue Strength, MPa 220 to 670
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
82
Shear Strength, MPa 520 to 930
380
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
600
Tensile Strength: Yield (Proof), MPa 330 to 1490
450

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
18
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.6
Embodied Energy, MJ/kg 40
49
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 17
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30 to 58
21
Strength to Weight: Bending, points 25 to 40
20
Thermal Shock Resistance, points 23 to 46
19

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.010
Chromium (Cr), % 16 to 18
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 70.9 to 76.8
64.9 to 68.5
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 6.5 to 7.8
0 to 0.15
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