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S30435 Stainless Steel vs. S44627 Stainless Steel

Both S30435 stainless steel and S44627 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 89% of their average alloy composition in common. There are 34 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 S30435 stainless steel and the bottom bar is S44627 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 51
24
Fatigue Strength, MPa 170
200
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 77
79
Shear Modulus, GPa 76
80
Shear Strength, MPa 370
310
Tensile Strength: Ultimate (UTS), MPa 510
490
Tensile Strength: Yield (Proof), MPa 170
300

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
470
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.9
Embodied Energy, MJ/kg 40
41
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 17
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
100
Resilience: Unit (Modulus of Resilience), kJ/m3 77
220
Stiffness to Weight: Axial, points 14
15
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
4.6
Thermal Shock Resistance, points 12
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 16 to 18
25 to 27.5
Copper (Cu), % 1.5 to 3.0
0 to 0.2
Iron (Fe), % 66.9 to 75.5
69.2 to 74.2
Manganese (Mn), % 0 to 2.0
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 7.0 to 9.0
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.2
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020