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S44700 Stainless Steel vs. AISI 316LN Stainless Steel

Both S44700 stainless steel and AISI 316LN stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S44700 stainless steel and the bottom bar is AISI 316LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
42
Fatigue Strength, MPa 300
200
Poisson's Ratio 0.27
0.28
Reduction in Area, % 45
51
Shear Modulus, GPa 82
82
Shear Strength, MPa 380
410
Tensile Strength: Ultimate (UTS), MPa 600
590
Tensile Strength: Yield (Proof), MPa 450
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 18
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
3.8
Embodied Energy, MJ/kg 49
53
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 42
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 480
130
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 20
20
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 28 to 30
16 to 18
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 64.9 to 68.5
62 to 71.9
Manganese (Mn), % 0 to 0.3
0 to 2.0
Molybdenum (Mo), % 3.5 to 4.2
2.0 to 3.0
Nickel (Ni), % 0 to 0.15
10 to 14
Nitrogen (N), % 0 to 0.020
0.1 to 0.16
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030