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S44627 Stainless Steel vs. S30435 Stainless Steel

Both S44627 stainless steel and S30435 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 S44627 stainless steel and the bottom bar is S30435 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 1100
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 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.8

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 30
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
210
Resilience: Unit (Modulus of Resilience), kJ/m3 220
77
Stiffness to Weight: Axial, points 15
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 4.6
4.2
Thermal Shock Resistance, points 16
12

Alloy Composition

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