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S17700 Stainless Steel vs. S32803 Stainless Steel

Both S17700 stainless steel and S32803 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S17700 stainless steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 430
210
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 1.0 to 23
18
Fatigue Strength, MPa 290 to 560
350
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 740 to 940
420
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
680
Tensile Strength: Yield (Proof), MPa 430 to 1210
560

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
510
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
19
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.7
Embodied Energy, MJ/kg 40
53
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 17
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3750
760
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 59
25
Strength to Weight: Bending, points 32 to 40
22
Thermal Diffusivity, mm2/s 4.1
4.4
Thermal Shock Resistance, points 39 to 54
22

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.015
Chromium (Cr), % 16 to 18
28 to 29
Iron (Fe), % 70.5 to 76.8
62.9 to 67.1
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 6.5 to 7.8
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.0035