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S35125 Stainless Steel vs. S17400 Stainless Steel

Both S35125 stainless steel and S17400 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S35125 stainless steel and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
11 to 21
Fatigue Strength, MPa 200
380 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 370
570 to 830
Tensile Strength: Ultimate (UTS), MPa 540
910 to 1390
Tensile Strength: Yield (Proof), MPa 230
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 490
450
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
14
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
2.7
Embodied Energy, MJ/kg 89
39
Embodied Water, L/kg 210
130

Common Calculations

PREN (Pitting Resistance) 30
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 140
880 to 4060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
32 to 49
Strength to Weight: Bending, points 18
27 to 35
Thermal Diffusivity, mm2/s 3.1
4.5
Thermal Shock Resistance, points 12
30 to 46

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.070
Chromium (Cr), % 20 to 23
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 36.2 to 45.8
70.4 to 78.9
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 31 to 35
3.0 to 5.0
Niobium (Nb), % 0.25 to 0.6
0.15 to 0.45
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030