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S46910 Stainless Steel vs. ASTM A387 Grade 9 Steel

Both S46910 stainless steel and ASTM A387 grade 9 steel are iron alloys. They have 81% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S46910 stainless steel and the bottom bar is ASTM A387 grade 9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 630
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.2 to 11
20 to 21
Fatigue Strength, MPa 250 to 1020
160 to 240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 410 to 1410
310 to 380
Tensile Strength: Ultimate (UTS), MPa 680 to 2470
500 to 600
Tensile Strength: Yield (Proof), MPa 450 to 2290
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 810
600
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
2.1
Embodied Energy, MJ/kg 55
28
Embodied Water, L/kg 140
87

Common Calculations

PREN (Pitting Resistance) 25
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48 to 130
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 4780
140 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 86
18 to 21
Strength to Weight: Bending, points 22 to 51
18 to 20
Thermal Shock Resistance, points 23 to 84
14 to 17

Alloy Composition

Aluminum (Al), % 0.15 to 0.5
0
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 11 to 13
8.0 to 10
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 65 to 76
87.1 to 90.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 3.0 to 5.0
0.9 to 1.1
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0.5 to 1.2
0
Vanadium (V), % 0
0 to 0.040

Comparable Variants