ASTM A684 1045 Cold Rolled High Carbon Steel Strip
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High Carbon Steel Strip can be produced to a large variety of tensile strengths/hardnesses to suit the subsequent component-manufacturing processes and end-uses involved. The softened/annealed condition provides maximum deformability for more complex component shapes or, alternatively, lower relative wear on component-forming tools. In this condition hardnesses of 160 - 200 VPN (equivalent to tensile strength up to about 690 N/mm²) would be typical.
Dimension
Thickness: 0.01-6mm
Tolerances on thickness: +/-0.015 - 0.030mm
Tolerances on width: +/- 0.10 - 0.30 mm
Tolerances on length of cut-to-Iength: -0/+10-30mm
Chemical Composition
| Steel Designation No. | Carbon | Manganese | Phosphorus, max | Sulfur, max |
| 1045 | 0.43 to 0.50 | 0.60 to 0.90 | 0.030 | 0.035 |
Silicon composition as one of the following:
Type 1: 0.15-0.30
Type 2: 0.10 max
Manufacture
Condition:
1 The strip shall be furnished cold rolled spheroidized annealed, soft annealed, intermediate hardness, or full hard, as specified.
2 Intermediate hardness may be obtained by either rolling the strip after final annealing or by varying the annealing treatment, or both.
3 Pinch Pass一Spheroidized annealed and annealed ma terial may be pinch rolled after the final anneal to improve flatness, uniformly oil, modify surface, obtain proper mechani cal properties, and minimize stretcher strains if required by the purchaser.
Heat Treatment
1 Soft spheroidized annealed high-carbon steel is in tended for applications requiring maximum cold forming. It is normally produced to give the lowest maximum Rockwell hardness for each grade.
2 Soft annealed high-carbon steel is intended for appli cations requiring moderate cold forming. It is produced to a maximum Rockwell hardness.
3 Intermediate hardness high-carbon steel is intended for applications where cold forming is slight or a stiff, springy product is needed, or both. It is produced to specified Rockwell hardness ranges, the maximum being higher than obtained for the annealed type.
4 Full hard high-carbon steel is intended for flat appli cations. It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gauge. Full hard can be produced with either a pearlitic or spheroidized microstructure or a mixture of both. The mini mum hardness should be established between the consumer and the producer.
Surface Finish
Surface—The strip shall be furnished with a No. 2 Regular Bright or No. 1 Matte (Dull) finish, as specified.
Oiling—The strip shall be furnished oiled or dry, as specified.
Introduce
AISI 1045 is defined as medium carbon steel which has 0.43%-0.5% Carbon.It offers good weldability, good machinability, high strength and impact properties,but low in hardenability because of lack of suitable alloying elements,but it can obtain surface hardnesses 54-60HRC after flame or induction hardening.
1045 is a medium tensile low hardenability carbon steel generally supplied in the black hot rolled or occasionally in the normalised condition, with a typical tensile strength range 570 - 700 Mpa and Brinell hardness range 170 - 210 in either condition. Characterised by fairly good strength and impact properties, plus good machinability and reasonable weldability
AISI 1045 steel has good machinability in a normalized or hot-rolled condition. Based on the recommendations given by the machine manufacturers, operations like tapping, milling, broaching, drilling, turning and sawing can be carried out on AISI 1045 steel using suitable feeds, tool type, and speeds.
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 clam
Other Services
1 Cutting: Small pieces
2 CNC Machine: Produce as your drawing
3 Package: Bare/Nylon/Canvas/Wooden
4 Payment:T/T, L/C, O/A(request credit)
5 Transport:FOB/CFR/CIF/DDU/DDP (train/ship/Air)
Mill test certificate
EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
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ASTM A684 1045 Cold Rolled High Carbon Steel Strip Images
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