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S30435 Stainless Steel vs. S44537 Stainless Steel

Both S30435 stainless steel and S44537 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is S30435 stainless steel and the bottom bar is S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 51
21
Fatigue Strength, MPa 170
230
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 77
80
Shear Modulus, GPa 76
79
Shear Strength, MPa 370
320
Tensile Strength: Ultimate (UTS), MPa 510
510
Tensile Strength: Yield (Proof), MPa 170
360

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
530
Maximum Temperature: Mechanical, °C 900
1000
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 14
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
3.4
Embodied Energy, MJ/kg 40
50
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 17
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
95
Resilience: Unit (Modulus of Resilience), kJ/m3 77
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 4.2
5.6
Thermal Shock Resistance, points 12
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 16 to 18
20 to 24
Copper (Cu), % 1.5 to 3.0
0 to 0.5
Iron (Fe), % 66.9 to 75.5
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 2.0
0 to 0.8
Nickel (Ni), % 7.0 to 9.0
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.045
0 to 0.050
Silicon (Si), % 0 to 1.0
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0