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S17400 Stainless Steel vs. S30435 Stainless Steel

Both S17400 stainless steel and S30435 stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S17400 stainless steel and the bottom bar is S30435 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
51
Fatigue Strength, MPa 380 to 670
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 570 to 830
370
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
510
Tensile Strength: Yield (Proof), MPa 580 to 1250
170

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 850
900
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 14
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 39
40
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 16
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
210
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
77
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 49
18
Strength to Weight: Bending, points 27 to 35
18
Thermal Diffusivity, mm2/s 4.5
4.2
Thermal Shock Resistance, points 30 to 46
12

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 15 to 17
16 to 18
Copper (Cu), % 3.0 to 5.0
1.5 to 3.0
Iron (Fe), % 70.4 to 78.9
66.9 to 75.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 3.0 to 5.0
7.0 to 9.0
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030