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S43037 Stainless Steel vs. AISI 436 Stainless Steel

Both S43037 stainless steel and AISI 436 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is S43037 stainless steel and the bottom bar is AISI 436 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
25
Fatigue Strength, MPa 160
190
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 77
77
Shear Modulus, GPa 77
77
Shear Strength, MPa 260
320
Tensile Strength: Ultimate (UTS), MPa 410
500
Tensile Strength: Yield (Proof), MPa 230
270

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 510
460
Maximum Temperature: Mechanical, °C 880
880
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.7
Embodied Energy, MJ/kg 32
38
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 18
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 6.7
6.7
Thermal Shock Resistance, points 14
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 16 to 19
16 to 18
Iron (Fe), % 77.9 to 83.9
77.8 to 83.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 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
Titanium (Ti), % 0.1 to 1.0
0