MakeItFrom.com
Menu (ESC)

SAE-AISI H25 Steel vs. S31277 Stainless Steel

Both SAE-AISI H25 steel and S31277 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H25 steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 710 to 1620
860

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1750
1460
Melting Onset (Solidus), °C 1700
1410
Specific Heat Capacity, J/kg-K 420
460
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 38
36
Density, g/cm3 9.1
8.1
Embodied Carbon, kg CO2/kg material 6.2
6.7
Embodied Energy, MJ/kg 93
90
Embodied Water, L/kg 83
220

Common Calculations

PREN (Pitting Resistance) 29
51
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 22 to 50
29
Strength to Weight: Bending, points 20 to 34
25
Thermal Shock Resistance, points 22 to 49
19

Alloy Composition

Carbon (C), % 0.22 to 0.32
0 to 0.020
Chromium (Cr), % 3.8 to 4.5
20.5 to 23
Copper (Cu), % 0 to 0.25
0.5 to 1.5
Iron (Fe), % 77.2 to 81.3
35.5 to 46.2
Manganese (Mn), % 0.15 to 0.4
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 0 to 0.3
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0