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ASTM Grade HN Steel vs. S30600 Stainless Steel

Both ASTM grade HN steel and S30600 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HN steel and the bottom bar is S30600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0
45
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 500
610

Thermal Properties

Latent Heat of Fusion, J/g 310
350
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1080
950
Melting Completion (Liquidus), °C 1400
1380
Melting Onset (Solidus), °C 1350
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 13
14
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 26
19
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.6
3.6
Embodied Energy, MJ/kg 66
51
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 22
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 3.5
3.7
Thermal Shock Resistance, points 11
14

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.018
Chromium (Cr), % 19 to 23
17 to 18.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 44.9 to 57.8
58.9 to 65.3
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 23 to 27
14 to 15.5
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
3.7 to 4.3
Sulfur (S), % 0 to 0.040
0 to 0.020