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S30600 Stainless Steel vs. S31730 Stainless Steel

Both S30600 stainless steel and S31730 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 91% 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 S30600 stainless steel and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 45
40
Fatigue Strength, MPa 250
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 430
370
Tensile Strength: Ultimate (UTS), MPa 610
540
Tensile Strength: Yield (Proof), MPa 270
200

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 950
990
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1330
1390
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
24
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 3.6
4.6
Embodied Energy, MJ/kg 51
63
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 18
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
170
Resilience: Unit (Modulus of Resilience), kJ/m3 190
99
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 21
18
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.018
0 to 0.030
Chromium (Cr), % 17 to 18.5
17 to 19
Copper (Cu), % 0 to 0.5
4.0 to 5.0
Iron (Fe), % 58.9 to 65.3
52.4 to 61
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.2
3.0 to 4.0
Nickel (Ni), % 14 to 15.5
15 to 16.5
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 3.7 to 4.3
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010