MakeItFrom.com
Menu (ESC)

Annealed S15700 Stainless Steel vs. Annealed S17700 Stainless Steel

Both annealed S15700 stainless steel and annealed S17700 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is annealed S15700 stainless steel and the bottom bar is annealed S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
23
Fatigue Strength, MPa 370
290
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
81
Shear Modulus, GPa 77
76
Shear Strength, MPa 770
750
Tensile Strength: Ultimate (UTS), MPa 1180
1180
Tensile Strength: Yield (Proof), MPa 500
430

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 870
890
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 11
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 47
40
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 23
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
210
Resilience: Unit (Modulus of Resilience), kJ/m3 640
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42
42
Strength to Weight: Bending, points 32
32
Thermal Diffusivity, mm2/s 4.2
4.1
Thermal Shock Resistance, points 39
39

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0.75 to 1.5
Carbon (C), % 0 to 0.090
0 to 0.090
Chromium (Cr), % 14 to 16
16 to 18
Iron (Fe), % 69.6 to 76.8
70.5 to 76.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 6.5 to 7.7
6.5 to 7.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030