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S35125 Stainless Steel vs. AISI 430 Stainless Steel

Both S35125 stainless steel and AISI 430 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 59% 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 AISI 430 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
24
Fatigue Strength, MPa 200
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 370
320
Tensile Strength: Ultimate (UTS), MPa 540
500
Tensile Strength: Yield (Proof), MPa 230
260

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 490
410
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1430
1510
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
8.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.4
2.1
Embodied Energy, MJ/kg 89
30
Embodied Water, L/kg 210
120

Common Calculations

PREN (Pitting Resistance) 30
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 3.1
6.7
Thermal Shock Resistance, points 12
18

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.12
Chromium (Cr), % 20 to 23
16 to 18
Iron (Fe), % 36.2 to 45.8
79.1 to 84
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 31 to 35
0 to 0.75
Niobium (Nb), % 0.25 to 0.6
0
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