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S30815 Stainless Steel vs. ASTM Grade HN Steel

Both S30815 stainless steel and ASTM grade HN steel are iron alloys. They have 85% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S30815 stainless steel and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
9.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 680
500

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1020
1080
Melting Completion (Liquidus), °C 1400
1400
Melting Onset (Solidus), °C 1360
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.3
4.6
Embodied Energy, MJ/kg 47
66
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 24
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 15
11

Alloy Composition

Carbon (C), % 0.050 to 0.1
0.2 to 0.5
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
19 to 23
Iron (Fe), % 62.8 to 68.4
44.9 to 57.8
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 10 to 12
23 to 27
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.4 to 2.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040