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S15700 Stainless Steel vs. AISI 317 Stainless Steel

Both S15700 stainless steel and AISI 317 stainless steel are iron alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is S15700 stainless steel and the bottom bar is AISI 317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 460
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 1.1 to 29
35 to 55
Fatigue Strength, MPa 370 to 770
250 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 770 to 1070
420 to 470
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
580 to 710
Tensile Strength: Yield (Proof), MPa 500 to 1770
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 400
420
Maximum Temperature: Mechanical, °C 870
590
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
21
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.4
4.3
Embodied Energy, MJ/kg 47
59
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 23
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 270
210 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 4660
150 to 430
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 67
20 to 25
Strength to Weight: Bending, points 32 to 43
20 to 22
Thermal Diffusivity, mm2/s 4.2
4.1
Thermal Shock Resistance, points 39 to 63
12 to 15

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
18 to 20
Iron (Fe), % 69.6 to 76.8
58 to 68
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
3.0 to 4.0
Nickel (Ni), % 6.5 to 7.7
11 to 15
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants