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EN 1.4658 Stainless Steel vs. S44700 Stainless Steel

Both EN 1.4658 stainless steel and S44700 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
200
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 28
23
Fatigue Strength, MPa 530
300
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
82
Shear Strength, MPa 580
380
Tensile Strength: Ultimate (UTS), MPa 900
600
Tensile Strength: Yield (Proof), MPa 730
450

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
3.6
Embodied Energy, MJ/kg 61
49
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 49
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
480
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
21
Strength to Weight: Bending, points 26
20
Thermal Shock Resistance, points 24
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 26 to 29
28 to 30
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0 to 0.15
Iron (Fe), % 50.9 to 63.7
64.9 to 68.5
Manganese (Mn), % 0 to 1.5
0 to 0.3
Molybdenum (Mo), % 4.0 to 5.0
3.5 to 4.2
Nickel (Ni), % 5.5 to 9.5
0 to 0.15
Nitrogen (N), % 0.3 to 0.5
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.010
0 to 0.020