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S39274 Stainless Steel vs. S17700 Stainless Steel

Both S39274 stainless steel and S17700 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 34 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 S39274 stainless steel and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
180 to 430
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
1.0 to 23
Fatigue Strength, MPa 380
290 to 560
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 28
41 to 46
Shear Modulus, GPa 81
76
Shear Strength, MPa 560
740 to 940
Tensile Strength: Ultimate (UTS), MPa 900
1180 to 1650
Tensile Strength: Yield (Proof), MPa 620
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
890
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.8
Embodied Energy, MJ/kg 60
40
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 43
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 940
460 to 3750
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
42 to 59
Strength to Weight: Bending, points 26
32 to 40
Thermal Diffusivity, mm2/s 4.2
4.1
Thermal Shock Resistance, points 25
39 to 54

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0 to 0.030
0 to 0.090
Chromium (Cr), % 24 to 26
16 to 18
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
70.5 to 76.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 6.0 to 8.0
6.5 to 7.8
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 2.5
0