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EN 1.4887 Stainless Steel vs. S44700 Stainless Steel

Both EN 1.4887 stainless steel and S44700 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4887 stainless steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 45
23
Fatigue Strength, MPa 280
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
82
Shear Strength, MPa 400
380
Tensile Strength: Ultimate (UTS), MPa 580
600
Tensile Strength: Yield (Proof), MPa 300
450

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 600
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 39
18
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.7
3.6
Embodied Energy, MJ/kg 96
49
Embodied Water, L/kg 210
180

Common Calculations

PREN (Pitting Resistance) 22
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.010
Chromium (Cr), % 20 to 23
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 34.2 to 45
64.9 to 68.5
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 33 to 37
0 to 0.15
Niobium (Nb), % 1.0 to 1.5
0
Nitrogen (N), % 0 to 0.1
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 1.0 to 2.0
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.020