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S15700 Stainless Steel vs. AISI 329 Stainless Steel

Both S15700 stainless steel and AISI 329 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S15700 stainless steel and the bottom bar is AISI 329 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 460
240
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 1.1 to 29
17
Fatigue Strength, MPa 370 to 770
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Shear Strength, MPa 770 to 1070
440
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
710
Tensile Strength: Yield (Proof), MPa 500 to 1770
540

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 400
450
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.4
3.1
Embodied Energy, MJ/kg 47
44
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 23
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 270
110
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 4660
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 67
25
Strength to Weight: Bending, points 32 to 43
23
Thermal Diffusivity, mm2/s 4.2
4.3
Thermal Shock Resistance, points 39 to 63
19

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.080
Chromium (Cr), % 14 to 16
23 to 28
Iron (Fe), % 69.6 to 76.8
63.1 to 74
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
1.0 to 2.0
Nickel (Ni), % 6.5 to 7.7
2.0 to 5.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030