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Aisi 1045 Medium Carbon Steel Sheet 3.0mm Thickness For Farm Tools
AISI 1045 steel is a medium tensile steel supplied in the black hot rolled or normalized condition. It has a tensile strength of 570 - 700 MPa and Brinell hardness ranging between 170 and 210.
AISI 1045 steel is characterized by good weldability, good machinability, and high strength and impact properties in either the normalized or hot rolled condition.
AISI 1045 steel has a low through-hardening capability with only sections of size around 60 mm being recommended as suitable for tempering and through-hardening. However, it can be efficiently flame or induction hardened in the normalized or hot rolled condition to obtain surface hardnesses in the range of Rc 54 - Rc 60 based on factors such as section size, type of set up, quenching medium used etc.
AISI 1045 steel lacks suitable alloying elements and hence does not respond to the nitriding process.
AISI 1045 steel has good machinability in normalized as well as the hot rolled condition. Based on the recommendations given by the machine manufacturers, operations like tapping, milling, broaching, drilling, turning and sawing etc. Can be carried out on AISI 1045 steel using suitable feeds, tool type and speeds.
| SAE 1045 | ||||
| Chemical composition: C=0.45%, Mn=0.75%, P=0.04% max, S=0.05% max | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 7.872 *10³ | kg/m³ | 491.4 | lb/ft³ |
| Modulus of elasticity | 201 | GPa | 29100 | ksi |
| Thermal expansion (20 ºC) | 11.7*10-6 | C | 6.5*10-6 | in/(in* ºF) |
| Specific heat capacity | 486 | J/(kg*K) | 0.116 | BTU/(lb*ºF) |
| Thermal conductivity | 50.9 | W/(m*K) | 353 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 1.62*10-7 | Ohm*m | 1.62*10-5 | Ohm*cm |
| Tensile strength (hot rolled) | 565 | MPa | 81900 | psi |
| Yield strength (hot rolled) | 310 | MPa | 45000 | psi |
| Elongation (hot rolled) | 16 | % | 16 | % |
| Hardness (hot rolled) | 84 | RB | 84 | RB |
| Tensile strength (cold drawn) | 625 | MPa | 90600 | psi |
| Yield strength (cold drawn) | 530 | MPa | 76900 | psi |
| Elongation (cold drawn) | 12 | % | 12 | % |
| Hardness (cold drawn) | 88 | RB | 88 | RB |
