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Half-hard AISI 201 vs. Half-hard S46910 Stainless Steel

Both half-hard AISI 201 and half-hard S46910 stainless steel are iron alloys. Both are furnished in the half-hard temper. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is half-hard AISI 201 and the bottom bar is half-hard S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 360
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
9.1
Fatigue Strength, MPa 550
440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 740
610
Tensile Strength: Ultimate (UTS), MPa 1180
1030
Tensile Strength: Yield (Proof), MPa 850
840

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
540
Maximum Temperature: Mechanical, °C 880
810
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
18
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 38
55
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 19
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
88
Resilience: Unit (Modulus of Resilience), kJ/m3 1840
1800
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 43
36
Strength to Weight: Bending, points 32
28
Thermal Shock Resistance, points 26
35

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 16 to 18
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 67.5 to 75
65 to 76
Manganese (Mn), % 5.5 to 7.5
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 3.5 to 5.5
8.0 to 10
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2