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S17700 Stainless Steel vs. AISI 202 Stainless Steel

Both S17700 stainless steel and AISI 202 stainless steel are iron alloys. They have a moderately high 91% 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 S17700 stainless steel and the bottom bar is AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 430
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 1.0 to 23
14 to 45
Fatigue Strength, MPa 290 to 560
290 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 740 to 940
490 to 590
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
700 to 980
Tensile Strength: Yield (Proof), MPa 430 to 1210
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 890
910
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.9

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 210
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3750
250 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 59
25 to 35
Strength to Weight: Bending, points 32 to 40
23 to 29
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 39 to 54
15 to 21

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.15
Chromium (Cr), % 16 to 18
17 to 19
Iron (Fe), % 70.5 to 76.8
63.5 to 71.5
Manganese (Mn), % 0 to 1.0
7.5 to 10
Nickel (Ni), % 6.5 to 7.8
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants