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AISI 204 Stainless Steel vs. S15700 Stainless Steel

Both AISI 204 stainless steel and S15700 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is AISI 204 stainless steel and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 330
200 to 460
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 39
1.1 to 29
Fatigue Strength, MPa 320 to 720
370 to 770
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 500 to 700
770 to 1070
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
1180 to 1890
Tensile Strength: Yield (Proof), MPa 380 to 1080
500 to 1770

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
400
Maximum Temperature: Mechanical, °C 850
870
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.4
Embodied Energy, MJ/kg 35
47
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 20
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
17 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
640 to 4660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 40
42 to 67
Strength to Weight: Bending, points 24 to 31
32 to 43
Thermal Diffusivity, mm2/s 4.1
4.2
Thermal Shock Resistance, points 16 to 24
39 to 63

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0 to 0.030
0 to 0.090
Chromium (Cr), % 15 to 17
14 to 16
Iron (Fe), % 69.6 to 76.4
69.6 to 76.8
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 1.5 to 3.0
6.5 to 7.7
Nitrogen (N), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants