Materials / Compare
Stainless Steel 17-4PH vs. Steel AISI 1045 Compare Stainless Steel 17-4PH vs. Steel AISI 1045 strength, stiffness, weight and thermal properties.
Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic PTFE Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA Plastic PBT GF30 Plastic PPS GF40 Plastic LCP GF30 Rubber Wood Aluminum Aluminum 6061-T6 Aluminum 7075-T6 Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Aluminum A380 Aluminum 6063-T6 Aluminum 1100-O Aluminum 3003-O Aluminum ADC12 Steel Steel AISI 1018 Steel AISI 1045 Steel AISI 4340 Steel A992 Iron Titanium Titanium Ti-6Al-4V Stainless Steel 304 Stainless Steel 316 Stainless Steel 303 Stainless Steel 17-4PH Brass C360 Brass C260 Copper C110 Copper C10100 Copper C12200 Glass Nickel Inconel 718 Magnesium AZ31B-H24 Magnesium AZ91D Zinc Zamak 3 FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Standard SLA Resin Tough 2000 SLA Resin Elastic 50A SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Concrete Brick Plywood Drywall PCB Laminate FR-4 PCB Board FR-4, 2 copper planes Silicon Ceramic Alumina 96% Ceramic Aluminum Nitride Solder SAC305 Stainless Steel 17-4PH Wrought Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic PTFE Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA Plastic PBT GF30 Plastic PPS GF40 Plastic LCP GF30 Rubber Wood Aluminum Aluminum 6061-T6 Aluminum 7075-T6 Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Aluminum A380 Aluminum 6063-T6 Aluminum 1100-O Aluminum 3003-O Aluminum ADC12 Steel Steel AISI 1018 Steel AISI 1045 Steel AISI 4340 Steel A992 Iron Titanium Titanium Ti-6Al-4V Stainless Steel 304 Stainless Steel 316 Stainless Steel 303 Stainless Steel 17-4PH Brass C360 Brass C260 Copper C110 Copper C10100 Copper C12200 Glass Nickel Inconel 718 Magnesium AZ31B-H24 Magnesium AZ91D Zinc Zamak 3 FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Standard SLA Resin Tough 2000 SLA Resin Elastic 50A SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Concrete Brick Plywood Drywall PCB Laminate FR-4 PCB Board FR-4, 2 copper planes Silicon Ceramic Alumina 96% Ceramic Aluminum Nitride Solder SAC305 Steel AISI 1045 Wrought Mechanical Stainless Steel 17-4PH Steel AISI 1045 Yield strength 1,275 MPa 2.4x stronger producer-stated 531 MPa Ultimate tensile strength 1,379 MPa 2.2x stronger producer-stated 627 MPa Elongation at break 9 % in 2 in 12 % 33% more ductile Young's modulus (stiffness) H 900 197 GPa 210 GPa Density H 900 7,800 kg/m³ 7,800 kg/m³ Strength to weight 163 kN·m/kg 2.4x higher 68.1 kN·m/kg Stiffness to weight 25.3 MN·m/kg 26.9 MN·m/kg 7% higher Poisson's ratio H 900 0.272 0.3 Shear modulus 77.4 GPa 80.8 GPa 4% stiffer in shear Bulk modulus 144 GPa 175 GPa 22% higher Speed of sound 5,026 m/s 5,189 m/s 3% faster
1k 10k 0.1 1 10 100 Density (kg/m³) Young's modulus (GPa) Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Wood Aluminum Steel Iron Titanium Steel AISI 1018 Stainless Steel 304 Stainless Steel 316 Aluminum 6061-T6 Aluminum 7075-T6 Brass C360 Copper C110 Copper C10100 Copper C12200 Glass Steel AISI 4340 Steel A992 Stainless Steel 303 Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Titanium Ti-6Al-4V Brass C260 Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Standard SLA Resin Tough 2000 SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Concrete PCB Laminate FR-4 Silicon Ceramic Alumina 96% Ceramic Aluminum Nitride Aluminum A380 Aluminum 6063-T6 Aluminum 1100-O Aluminum 3003-O Aluminum ADC12 Magnesium AZ91D Solder SAC305 Plastic PBT GF30 Plastic PPS GF40 Plastic LCP GF30 Stainless Steel 17-4PH Steel AISI 1045 Stiffness against densityHigher and further left: stiffer for its weight 1k 10k 10 100 1k Density (kg/m³) Yield strength (MPa) Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Rubber Wood Aluminum Steel Iron Titanium Steel AISI 1018 Stainless Steel 304 Stainless Steel 316 Aluminum 6061-T6 Aluminum 7075-T6 Brass C360 Copper C110 Copper C10100 Copper C12200 Glass Steel AISI 4340 Steel A992 Stainless Steel 303 Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Titanium Ti-6Al-4V Brass C260 Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic PTFE Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Standard SLA Resin Tough 2000 SLA Resin Elastic 50A SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Brick PCB Laminate FR-4 Silicon Ceramic Alumina 96% Aluminum A380 Aluminum 6063-T6 Aluminum 1100-O Aluminum 3003-O Aluminum ADC12 Magnesium AZ91D Solder SAC305 Plastic PBT GF30 Plastic PPS GF40 Plastic LCP GF30 Stainless Steel 17-4PH Steel AISI 1045 Strength against densityHigher and further left: stronger for its weight
Thermal Stainless Steel 17-4PH Steel AISI 1045 Thermal conductivity at 149 °C 17.9 W/m·K 40–45 W/m·K Thermal expansion mean 10.8 µm/m·K 12 µm/m·K 100 mm part over a 50 °C swing 54 µm growth 11% less 60 µm growth Specific heat mean 460 J/kg·K 460–480 J/kg·K Heats up and cools (diffusivity) 4.99 mm²/s 11.6 mm²/s 2.32x faster Thermal shock resistance 7,809 W/m 25% more resistant 6,269 W/m Max service temperature 316 °C not sourced
1k 10k 0.1 1 10 100 Density (kg/m³) Thermal conductivity (W/m·K) Plastic PLA Plastic PETG Plastic ABS Plastic Nylon Rubber Wood Aluminum Steel Iron Titanium Steel AISI 1018 Stainless Steel 304 Stainless Steel 316 Aluminum 6061-T6 Aluminum 7075-T6 Brass C360 Copper C110 Copper C10100 Copper C12200 Glass Steel AISI 4340 Steel A992 Stainless Steel 303 Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Titanium Ti-6Al-4V Brass C260 Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic PTFE Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA FDM ASA FDM Polycarbonate FDM HIPS SLA Resin Standard DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Concrete Brick PCB Laminate FR-4 Silicon Ceramic Alumina 96% Ceramic Aluminum Nitride Aluminum A380 Aluminum 6063-T6 Aluminum 1100-O Aluminum 3003-O Aluminum ADC12 Magnesium AZ91D Solder SAC305 Plastic PBT GF30 Plastic PPS GF40 Plastic LCP GF30 Stainless Steel 17-4PH Steel AISI 1045 Thermal conductivity against densityHigher and further left: spreads more heat for its weight 0.1 1 10 100 10 100 Thermal conductivity (W/m·K) Thermal expansion (µm/m·K) Plastic PETG Plastic ABS Plastic Nylon Wood Aluminum Steel Iron Titanium Steel AISI 1018 Stainless Steel 304 Stainless Steel 316 Aluminum 6061-T6 Aluminum 7075-T6 Brass C360 Copper C110 Copper C10100 Copper C12200 Glass Steel AISI 4340 Steel A992 Stainless Steel 303 Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Titanium Ti-6Al-4V Brass C260 Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic PTFE Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA FDM ASA FDM Polycarbonate FDM HIPS SLA Resin Standard DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Concrete Brick Plywood PCB Laminate FR-4 Silicon Ceramic Alumina 96% Ceramic Aluminum Nitride Aluminum A380 Aluminum 6063-T6 Aluminum 1100-O Aluminum 3003-O Aluminum ADC12 Magnesium AZ91D Solder SAC305 Plastic PBT GF30 Plastic PPS GF40 Plastic LCP GF30 Stainless Steel 17-4PH Steel AISI 1045 Thermal expansion against thermal conductivityLower and further right: warps less when heated
Sources 3 documents: Cleveland-Cliffs, Niagara LaSalle, Ovako
Stainless Steel 17-4PH Cleveland-Cliffs 17-4 PH, Condition H 900, sheet/strip, transverse (Product Data Bulletin, May 2021)
Steel AISI 1045 AISI 1045 cold drawn bar (Niagara LaSalle) for mechanical; Ovako C45 (lists 'SAE 1045' as a similar designation) for physical constants 1 17-4 PH Stainless Steel Product Data Bulletin (2021) Cleveland-Cliffs Stainless Steel 17-4PH · Yield strength: typical, transverse, sheet/stripStainless Steel 17-4PH · Ultimate tensile strength: typical, transverse, sheet/stripStainless Steel 17-4PH · Elongation at break: typical, transverse, in 2 in. (50.8 mm)Stainless Steel 17-4PH · Young's modulus (stiffness): H 900Stainless Steel 17-4PH · Density: H 900Stainless Steel 17-4PH · Poisson's ratio: H 900 (column)Stainless Steel 17-4PH · Thermal conductivity: at 149 °C (300 °F), H 900Stainless Steel 17-4PH · Thermal expansion: mean, 21–93 °C (70–200 °F), H 900Stainless Steel 17-4PH · Specific heat: mean, 0–100 °C, H 900Stainless Steel 17-4PH · Max service temperature: strength-retention limit (not oxidation)
2 1045 Properties Niagara LaSalle archived copy Steel AISI 1045 · Yield strength: producer-stated, cold drawnSteel AISI 1045 · Ultimate tensile strength: producer-stated, cold drawnSteel AISI 1045 · Elongation at break: in 2 in (50.8 mm)3 C45 Steel Grade Ovako Steel AISI 1045 · Young's modulus (stiffness): typicalSteel AISI 1045 · Density: typicalSteel AISI 1045 · Poisson's ratio: typicalSteel AISI 1045 · Thermal conductivity: typical range, ambientSteel AISI 1045 · Thermal expansion: typical, mean 20-300 °CSteel AISI 1045 · Specific heat: typical range, 50/100 °C
Each number points to the document that states it, with the exact basis. Values without a number are computed from the sourced ones. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.
Questions Mechanical Is Stainless Steel 17-4PH stronger than Steel AISI 1045? Stainless Steel 17-4PH is stronger: its yield strength is 1,275 MPa against 531 MPa for Steel AISI 1045 (2.4x).
Which is lighter, Stainless Steel 17-4PH or Steel AISI 1045? Stainless Steel 17-4PH is lighter: 7,800 kg/m³ against 7,800 kg/m³ for Steel AISI 1045.
Which is stiffer, Stainless Steel 17-4PH or Steel AISI 1045? Steel AISI 1045 is stiffer: Young's modulus 210 GPa against 197 GPa for Stainless Steel 17-4PH, so the same part in Steel AISI 1045 deflects less under the same load.
Which is lighter for the same job, Stainless Steel 17-4PH or Steel AISI 1045? For the same stiffness or strength: Stainless Steel 17-4PH is lighter for a strong rod or tie, strong beam, strong panel or plate; Steel AISI 1045 is lighter for a stiff rod or tie (tension), stiff beam (bending), stiff panel or plate.
Part that must be Stainless Steel 17-4PH Steel AISI 1045 Stiff rod or tie (tension) 7% heavier lighter Stiff beam (bending) 3% heavier lighter Stiff panel or plate 2% heavier lighter Strong rod or tie lighter 2.4x heavier Strong beam lighter 1.79x heavier Strong panel or plate lighter 1.55x heavier
For the same stiffness or strength, mass scales with density over stiffness (or strength) raised to a power set by how the part is loaded: 1 for a rod in tension, 1/2 for a beam in bending, 1/3 for a panel (the standard material-selection indices).
Which is more ductile, Stainless Steel 17-4PH or Steel AISI 1045? Steel AISI 1045 stretches further before it breaks: 12% elongation at break against 9% for Stainless Steel 17-4PH.
Thermal Which conducts heat better, Stainless Steel 17-4PH or Steel AISI 1045? Steel AISI 1045 conducts heat better: 42.5 W/m·K against 17.9 W/m·K for Stainless Steel 17-4PH.
Which expands less with temperature? Stainless Steel 17-4PH expands less: 10.8 µm/m·K against 12 µm/m·K for Steel AISI 1045.