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S44700 Stainless Steel vs. SAE-AISI 1340 Steel

Both S44700 stainless steel and SAE-AISI 1340 steel are iron alloys. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S44700 stainless steel and the bottom bar is SAE-AISI 1340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
11 to 23
Fatigue Strength, MPa 300
220 to 390
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
72
Shear Strength, MPa 380
340 to 440
Tensile Strength: Ultimate (UTS), MPa 600
540 to 730
Tensile Strength: Yield (Proof), MPa 450
300 to 620

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 49
19
Embodied Water, L/kg 180
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 480
240 to 1040
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
19 to 26
Strength to Weight: Bending, points 20
19 to 23
Thermal Shock Resistance, points 19
17 to 23

Alloy Composition

Carbon (C), % 0 to 0.010
0.38 to 0.43
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 64.9 to 68.5
97.2 to 97.9
Manganese (Mn), % 0 to 0.3
1.6 to 1.9
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 0 to 0.15
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.2
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040