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S17700 Stainless Steel vs. EN 1.4724 Stainless Steel

Both S17700 stainless steel and EN 1.4724 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S17700 stainless steel and the bottom bar is EN 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 430
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 1.0 to 23
16
Fatigue Strength, MPa 290 to 560
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 740 to 940
340
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
550
Tensile Strength: Yield (Proof), MPa 430 to 1210
280

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 890
850
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 11
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 40
28
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 17
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 210
73
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3750
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 59
20
Strength to Weight: Bending, points 32 to 40
19
Thermal Diffusivity, mm2/s 4.1
5.6
Thermal Shock Resistance, points 39 to 54
19

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0.7 to 1.2
Carbon (C), % 0 to 0.090
0 to 0.12
Chromium (Cr), % 16 to 18
12 to 14
Iron (Fe), % 70.5 to 76.8
82.2 to 86.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 6.5 to 7.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0.7 to 1.4
Sulfur (S), % 0 to 0.030
0 to 0.015