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4x8ft 1045 Hot Rolled Cold Rolled Medium Mild Steel Hot Rolled Wearing Sheet
AISI 1045 steel is a medium tensile steel that is available in black hot-rolled or normalized form. It has a tensile strength of 570-700 MPa and a Brinell hardness of 170-210.
In either normalized or hot-rolled form, AISI 1045 steel has good weldability, machinability, and high strength and impact qualities.
In either normalized or hot-rolled form, AISI 1045 steel has good weldability, machinability, and high strength and impact qualities.
Through-hardening potential of AISI 1045 steel is limited, with only portions of roughly 60 mm in size suggested for tempering and through-hardening. However, depending on conditions such as section size, kind of set up, quenching medium employed, and so on, it may be successfully flame- or induction-hardened in the normalized or hot rolled state to yield surface hardnesses in the range of Rc 54 - Rc 60.
Because AISI 1045 steel lacks appropriate alloying components, it does not react to the nitriding process.
Composition of Chemicals
| Element | Content |
|---|---|
| Carbon, C | 0.420 - 0.50 % |
| Iron, Fe | 98.51 - 98.98 % |
| Manganese, Mn | 0.60 - 0.90 % |
| Phosphorous, P | ≤ 0.040 % |
| Sulfur, S | ≤ 0.050 % |
| Physical Properties | Metric | Imperial |
|---|---|---|
| Density | 7.87 g/cc | 0.284 lb/in3 |
| Mechanical Properties | Metric | Imperial |
|---|---|---|
| Hardness, Brinell | 163 | 163 |
| Hardness, Knoop (Converted from Brinell hardness) | 184 | 184 |
| Hardness, Rockwell B (Converted from Brinell hardness) | 84 | 84 |
| Hardness, Vickers (Converted from Brinell hardness) | 170 | 170 |
| Tensile Strength, Ultimate | 565 MPa | 81900 psi |
| Tensile Strength, Yield | 310 MPa | 45000 psi |
| Elongation at Break (in 50 mm) | 16.0 % | 16.0 % |
| Reduction of Area | 40.0 % | 40.0 % |
| Modulus of Elasticity (Typical for steel) | 200 GPa | 29000 ksi |
| Bulk Modulus (Typical for steel) | 140 GPa | 20300 ksi |
| Poissons Ratio (Typical For Steel) | 0.290 | 0.290 |
| Shear Modulus (Typical for steel) | 80 GPa | 11600 ksi |
AISI 1045 is widely used for all industrial applications requiring more wear-resistance and strength. Typical applications of AISI 1045 are as follows:
| Gears | Pins | Rams |
| Shafts | Rolls | Sockets |
| Axles | Spindles | Worms |
| Bolts | Ratchets | Light gears |
| Studs | Crankshafts | Guide rods |
| Connecting rods | Torsion bars | Hydraulic clamps |
AISI 1045 is subjected to forging, annealing, normalizing, stress-relieving, hardening and tempering processes – each of which is explained in more detail below:
Forging - Heat to 850°C - 1250°C (1562°F - 2282°F). Hold until the temperature is uniform. Cool in a furnace.
Annealing - Heat to 800°C - 850°C (1472°F - 1562°F). Hold until the temperature is uniform. Cool in a furnace.
Normalizing - Heat to 870°C - 920°C (1598°F-1688°F). Hold until the temperature is uniform. Soak for 10 - 15 minutes. Cool in still air.
Stress-Relieving - Heat to 550°C - 660°C (1022°F - 1220°F). Hold until the temperature is uniform. Soak for 1 hour per 25mm of section. Cool in still air.
Hardening - Heat to 820°C - 850°C (1508°F - 1562°F). Hold until the temperature is uniform. Soak for 10 - 15 minutes per 25mm of section. Quench in water or brine.
Tempering - Re-heat to 400°C - 650°C (752°F - 1202°F) as required. Hold until the temperature is uniform. Soak for 1 hour per 25mm of section. Cool in still air.
Applications
AISI 1045 is widely used for all industrial applications requiring more wear-resistance and strength. Typical applications of AISI 1045 are as follows:
| Gears | Pins | Rams |
| Shafts | Rolls | Sockets |
| Axles | Spindles | Worms |
| Bolts | Ratchets | Light gears |
| Studs | Crankshafts | Guide rods |
| Connecting rods | Torsion bars | Hydraulic clamps |
Samples