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S42030 Stainless Steel vs. AISI 436 Stainless Steel

Both S42030 stainless steel and AISI 436 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 96% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S42030 stainless steel and the bottom bar is AISI 436 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16
25
Fatigue Strength, MPa 250
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 410
320
Tensile Strength: Ultimate (UTS), MPa 670
500
Tensile Strength: Yield (Proof), MPa 410
270

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 780
880
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 28
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.7
Embodied Energy, MJ/kg 34
38
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 20
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110
Resilience: Unit (Modulus of Resilience), kJ/m3 440
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 7.7
6.7
Thermal Shock Resistance, points 24
18

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.12
Chromium (Cr), % 12 to 14
16 to 18
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 77.6 to 85
77.8 to 83.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 3.0
0.75 to 1.3
Niobium (Nb), % 0
0 to 0.8
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