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S15500 Stainless Steel vs. AISI 334 Stainless Steel

Both S15500 stainless steel and AISI 334 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 29 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 S15500 stainless steel and the bottom bar is AISI 334 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
34
Fatigue Strength, MPa 350 to 650
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 540 to 870
360
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
540
Tensile Strength: Yield (Proof), MPa 590 to 1310
190

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 440
490
Maximum Temperature: Mechanical, °C 820
1000
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 39
59
Embodied Water, L/kg 130
170

Common Calculations

PREN (Pitting Resistance) 15
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
96
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
19
Strength to Weight: Bending, points 26 to 37
19
Thermal Shock Resistance, points 30 to 50
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 14 to 15.5
18 to 20
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
55.7 to 62.7
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 3.5 to 5.5
19 to 21
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6