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S30601 Stainless Steel vs. S40975 Stainless Steel

Both S30601 stainless steel and S40975 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 72% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S30601 stainless steel and the bottom bar is S40975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 37
22
Fatigue Strength, MPa 250
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
75
Shear Strength, MPa 450
290
Tensile Strength: Ultimate (UTS), MPa 660
460
Tensile Strength: Yield (Proof), MPa 300
310

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 950
710
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 20
6.5
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.9
2.0
Embodied Energy, MJ/kg 55
28
Embodied Water, L/kg 150
95

Common Calculations

PREN (Pitting Resistance) 18
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
93
Resilience: Unit (Modulus of Resilience), kJ/m3 230
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 17 to 18
10.5 to 11.7
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 56.9 to 60.5
84.4 to 89
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 17 to 18
0.5 to 1.0
Nitrogen (N), % 0 to 0.050
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 5.0 to 5.6
0 to 1.0
Sulfur (S), % 0 to 0.013
0 to 0.030
Titanium (Ti), % 0
0 to 0.75