MakeItFrom.com
Menu (ESC)

ASTM A387 Grade 91 Class 2 vs. S35000 Stainless Steel

Both ASTM A387 grade 91 class 2 and S35000 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 91 class 2 and the bottom bar is S35000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
2.3 to 14
Fatigue Strength, MPa 330
380 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Shear Strength, MPa 420
740 to 950
Tensile Strength: Ultimate (UTS), MPa 670
1300 to 1570
Tensile Strength: Yield (Proof), MPa 470
660 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 600
900
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 37
44
Embodied Water, L/kg 88
130

Common Calculations

PREN (Pitting Resistance) 13
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
28 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 580
1070 to 3360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
46 to 56
Strength to Weight: Bending, points 22
34 to 38
Thermal Diffusivity, mm2/s 6.9
4.4
Thermal Shock Resistance, points 19
42 to 51

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0.070 to 0.11
Chromium (Cr), % 8.0 to 9.5
16 to 17
Iron (Fe), % 87.3 to 90.3
72.7 to 76.9
Manganese (Mn), % 0.3 to 0.6
0.5 to 1.3
Molybdenum (Mo), % 0.85 to 1.1
2.5 to 3.2
Nickel (Ni), % 0 to 0.4
4.0 to 5.0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0.070 to 0.13
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.2 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0