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S30441 Stainless Steel vs. S42035 Stainless Steel

Both S30441 stainless steel and S42035 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is S30441 stainless steel and the bottom bar is S42035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
18
Fatigue Strength, MPa 210
260
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 81
76
Shear Modulus, GPa 76
77
Shear Strength, MPa 400
390
Tensile Strength: Ultimate (UTS), MPa 580
630
Tensile Strength: Yield (Proof), MPa 230
430

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 460
470
Maximum Temperature: Mechanical, °C 940
810
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
27
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.4
2.4
Embodied Energy, MJ/kg 50
34
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 4.0
7.2
Thermal Shock Resistance, points 13
22

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17.5 to 19.5
13.5 to 15.5
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 62 to 71.7
78.1 to 85
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0.2 to 1.2
Nickel (Ni), % 8.0 to 10.5
1.0 to 2.5
Niobium (Nb), % 0.1 to 0.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.3 to 0.5
Tungsten (W), % 0.2 to 0.8
0