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S21603 Stainless Steel vs. S17700 Stainless Steel

Both S21603 stainless steel and S17700 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 (7, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
1.0 to 23
Fatigue Strength, MPa 360
290 to 560
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 490
740 to 940
Tensile Strength: Ultimate (UTS), MPa 690
1180 to 1650
Tensile Strength: Yield (Proof), MPa 390
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 990
890
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 17
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 50
40
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 34
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 380
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 Shock Resistance, points 15
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), % 17.5 to 22
16 to 18
Iron (Fe), % 57.6 to 67.8
70.5 to 76.8
Manganese (Mn), % 7.5 to 9.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
6.5 to 7.8
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030