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S15700 Stainless Steel vs. S21603 Stainless Steel

Both S15700 stainless steel and S21603 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S15700 stainless steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 460
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 1.1 to 29
45
Fatigue Strength, MPa 370 to 770
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 770 to 1070
490
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
690
Tensile Strength: Yield (Proof), MPa 500 to 1770
390

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 400
420
Maximum Temperature: Mechanical, °C 870
990
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 15
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.4
3.6
Embodied Energy, MJ/kg 47
50
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 23
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 270
270
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 4660
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 67
25
Strength to Weight: Bending, points 32 to 43
22
Thermal Shock Resistance, points 39 to 63
15

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.030
Chromium (Cr), % 14 to 16
17.5 to 22
Iron (Fe), % 69.6 to 76.8
57.6 to 67.8
Manganese (Mn), % 0 to 1.0
7.5 to 9.0
Molybdenum (Mo), % 2.0 to 3.0
2.0 to 3.0
Nickel (Ni), % 6.5 to 7.7
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
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