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S30815 Stainless Steel vs. S17700 Stainless Steel

Both S30815 stainless steel and S17700 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 (3, in this case) are not shown.

For each property being compared, the top bar is S30815 stainless steel and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
1.0 to 23
Fatigue Strength, MPa 320
290 to 560
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 480
740 to 940
Tensile Strength: Ultimate (UTS), MPa 680
1180 to 1650
Tensile Strength: Yield (Proof), MPa 350
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1020
890
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 47
40
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 24
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 310
460 to 3750
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
42 to 59
Strength to Weight: Bending, points 22
32 to 40
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 15
39 to 54

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0.050 to 0.1
0 to 0.090
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
16 to 18
Iron (Fe), % 62.8 to 68.4
70.5 to 76.8
Manganese (Mn), % 0 to 0.8
0 to 1.0
Nickel (Ni), % 10 to 12
6.5 to 7.8
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.4 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030