MakeItFrom.com
Menu (ESC)

S17700 Stainless Steel vs. EN 1.4446 Stainless Steel

Both S17700 stainless steel and EN 1.4446 stainless steel are iron alloys. They have 89% 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 1.4446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 430
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 1.0 to 23
23
Fatigue Strength, MPa 290 to 560
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
490
Tensile Strength: Yield (Proof), MPa 430 to 1210
240

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 890
980
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.5
Embodied Energy, MJ/kg 40
60
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 17
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 210
93
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3750
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 59
17
Strength to Weight: Bending, points 32 to 40
17
Thermal Diffusivity, mm2/s 4.1
3.6
Thermal Shock Resistance, points 39 to 54
11

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.030
Chromium (Cr), % 16 to 18
16.5 to 18.5
Iron (Fe), % 70.5 to 76.8
59.7 to 66.9
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 6.5 to 7.8
12.5 to 14.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030