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S31727 Stainless Steel vs. S30452 Stainless Steel

Both S31727 stainless steel and S30452 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 86% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is S30452 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
34
Fatigue Strength, MPa 240
250
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 83
88
Shear Modulus, GPa 78
77
Shear Strength, MPa 430
440
Tensile Strength: Ultimate (UTS), MPa 630
660
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1010
960
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 24
15
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.7
3.0
Embodied Energy, MJ/kg 64
43
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 35
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
180
Resilience: Unit (Modulus of Resilience), kJ/m3 190
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
23
Strength to Weight: Bending, points 20
22
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 17.5 to 19
18 to 20
Copper (Cu), % 2.8 to 4.0
0
Iron (Fe), % 53.7 to 61.3
66.3 to 73.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
8.0 to 10.5
Nitrogen (N), % 0.15 to 0.21
0.16 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030