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AISI 403 Stainless Steel vs. S44700 Stainless Steel

Both AISI 403 stainless steel and S44700 stainless steel are iron alloys. They have 79% 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 AISI 403 stainless steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16 to 25
23
Fatigue Strength, MPa 200 to 340
300
Poisson's Ratio 0.28
0.27
Reduction in Area, % 47 to 50
45
Shear Modulus, GPa 76
82
Shear Strength, MPa 340 to 480
380
Tensile Strength: Ultimate (UTS), MPa 530 to 780
600
Tensile Strength: Yield (Proof), MPa 280 to 570
450

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 9.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.6
Embodied Energy, MJ/kg 27
49
Embodied Water, L/kg 99
180

Common Calculations

PREN (Pitting Resistance) 12
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 28
21
Strength to Weight: Bending, points 19 to 24
20
Thermal Shock Resistance, points 20 to 29
19

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.010
Chromium (Cr), % 11.5 to 13
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 84.7 to 88.5
64.9 to 68.5
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0 to 0.6
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020