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S30415 Stainless Steel vs. ASTM Grade HI Steel

Both S30415 stainless steel and ASTM grade HI steel are iron alloys. They have 83% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S30415 stainless steel and the bottom bar is ASTM grade HI steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
11
Fatigue Strength, MPa 300
150
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 670
550
Tensile Strength: Yield (Proof), MPa 330
270

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
23
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
4.1
Embodied Energy, MJ/kg 43
59
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 21
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
52
Resilience: Unit (Modulus of Resilience), kJ/m3 280
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 5.6
3.9
Thermal Shock Resistance, points 15
12

Alloy Composition

Carbon (C), % 0.040 to 0.060
0.2 to 0.5
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
26 to 30
Iron (Fe), % 67.8 to 71.8
46.9 to 59.8
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 9.0 to 10
14 to 18
Nitrogen (N), % 0.12 to 0.18
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040