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S17700 Stainless Steel vs. EN 1.8888 Steel

Both S17700 stainless steel and EN 1.8888 steel are iron alloys. They have 77% 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 S17700 stainless steel and the bottom bar is EN 1.8888 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 430
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 1.0 to 23
16
Fatigue Strength, MPa 290 to 560
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 740 to 940
510
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
830
Tensile Strength: Yield (Proof), MPa 430 to 1210
720

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 890
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.7
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 40
26
Embodied Water, L/kg 150
54

Common Calculations

PREN (Pitting Resistance) 17
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 210
130
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3750
1370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 42 to 59
29
Strength to Weight: Bending, points 32 to 40
25
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 39 to 54
24

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.090
0 to 0.2
Chromium (Cr), % 16 to 18
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 70.5 to 76.8
91.9 to 100
Manganese (Mn), % 0 to 1.0
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 6.5 to 7.8
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15