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S44735 Stainless Steel vs. S17400 Stainless Steel

Both S44735 stainless steel and S17400 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 30 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 S44735 stainless steel and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
280 to 440
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 21
11 to 21
Fatigue Strength, MPa 300
380 to 670
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 22
27 to 43
Shear Modulus, GPa 82
75
Shear Strength, MPa 390
570 to 830
Tensile Strength: Ultimate (UTS), MPa 630
910 to 1390
Tensile Strength: Yield (Proof), MPa 460
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 650
450
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 21
14
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.4
2.7
Embodied Energy, MJ/kg 61
39
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 42
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 520
880 to 4060
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 23
32 to 49
Strength to Weight: Bending, points 21
27 to 35
Thermal Shock Resistance, points 20
30 to 46

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 28 to 30
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 60.7 to 68.4
70.4 to 78.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.6 to 4.2
0
Nickel (Ni), % 0 to 1.0
3.0 to 5.0
Niobium (Nb), % 0.2 to 1.0
0.15 to 0.45
Nitrogen (N), % 0 to 0.045
0
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
Titanium (Ti), % 0.2 to 1.0
0