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EN 1.4588 Stainless Steel vs. S17700 Stainless Steel

Both EN 1.4588 stainless steel and S17700 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 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 1.4588 stainless steel and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
1.0 to 23
Fatigue Strength, MPa 190
290 to 560
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 540
1180 to 1650
Tensile Strength: Yield (Proof), MPa 240
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1100
890
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.2
2.8
Embodied Energy, MJ/kg 84
40
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 44
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 140
460 to 3750
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
42 to 59
Strength to Weight: Bending, points 18
32 to 40
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 11
39 to 54

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0 to 0.020
0 to 0.090
Chromium (Cr), % 19 to 21
16 to 18
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 41.2 to 50.4
70.5 to 76.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 24 to 26
6.5 to 7.8
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030