Hebei CBIES Automotive Parts Co., Ltd. is one of the reliable manufacturers and suppliers in China. As a specialized factory, we focus on manufacturing car side door impact beam with consistent quality, competitive pricing, and reliable supply for global markets.
Specification
| Item Name： Car Side Door Impact Beam | |
| Material： Baosteel | OD： 25-32mm,31x25mm,25.4x20mm |
| Material Grade： BR1500HS | Tolerance Range：1.4-3.0mm |
Dimension Range
| OD(mm) | 1.4mm | 1.5mm | 1.6mm | 1.8mm | 2.0mm | 2.2mm | 2.6mm |
|---|---|---|---|---|---|---|---|
| 20 | ● | ● | ● | ● | ● | ||
| 25.4 | ● | ● | ● | ● | ● | ||
| 31.8 | ● | ● | ● | ● | ● | ||
| 32 | ● | ● | ● | ● | ● | ||
| 34 | ● | ● | ● | ● | ● | ● | |
| 35 | ● | ● | ● | ● | ● | ● | |
| 25.4x20 | ● | ● | ● | ● | |||
| 31x25 | ● | ● | ● | ● | ● | ● |
Mechanical Properties
| Before the heat treatment | After heat treatment | ||||
|
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation (%) |
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation (%) |
| 600-750 | ≥420 | ≥22 | ＞1475 | ＞1078 | ＞8 |
Chemical Composition
| Grade | C(%) | Si(%) | Mn(%) | P(%) | S(%) | S(%) |
| BR1500HS | 0.20-0.25 | 0.15-0.35 | 1.1-1.4 | ≤0.025 | ≤0.01 | 0.005-0.03 |
Tolerances
| Characteristic |
Customized according to the quality tolerance required by customers |
| Outside diameter (D) | ±0.2mm |
| Thickness (T) | ±0.18mm |
| Mass per unit length | +/-1mm |
| Straightness | 0.5mm/M |
| Exact length | Meet customer requirements |
At present, the automobile door anti-collision bar produced by our company uses hot-formed steel BR1500HS as raw material, and the tensile strength and yield strength can reach 1500 MPa and 1200 MPa respectively.
Boron Steel
Boron steel is a steel with boron as the main alloying element. Also known as boron-treated steel. Can improve certain properties of steel. The types of boron steel mainly include alloy structural boron steel, low-alloy high-strength boron steel, spring boron steel, and so on. Mainly carburized boron steel: its low carbon content is generally less than 0.25%. This type of steel has better carburizing performance. The carburized layer will not form a large amount of retained austenite, so it can obtain high hardness, wear resistance, and good resistance. Fatigue performance, and less notch sensitivity.
Boron steel is hot-formed steel for automobiles. Because boron is added to this steel, the steel plate is heated at a high temperature of 950°C and then formed at a time, and then rapidly cooled, which comprehensively improves the strength of the steel plate. Steel. Hot-formed steel has extremely high material strength and mechanical safety. The tensile strength of general high-strength steel plate is about 400-450MPa, while the tensile strength of hot-formed steel is as high as 1300-1600 MPa, the yield is above 1000Mpa, and it can withstand more than 10 tons of pressure per square centimeter. 3-4 times, its hardness is second only to ceramics, but it also has the toughness of steel.
Our Feature & Advantage
We use imported equipment from Korea, which is quite advanced, and the quality of the goods is relatively stable. Our high-frequency quenching equipment has the following advantages:
1. It can make induction heating for the workpiece, which has uniform heating, fast heating speed, no oxidation layer, small deformation, energy-saving, and environmental protection;
2. It has an advanced industrial numerical control system to control the temperature, heating time, and coolant flow accurately, which is inconvenient debugging and stable performance;
3. It can be quenched in stages and quenched continuously;
4. High degree of automation and high productivity;
Quenching Process
Quenching is to heat the steel above the critical temperature, hold it for a certain period, and then cool it at a cooling rate greater than the critical cooling rate to obtain an imbalanced structure dominated by martensite (or bainite or single-phase austenite can be obtained as required. ) A heat treatment process method. Quenching is the most widely used process method in steel heat treatment.
Packaging & Container Loading
1. Surface quality: The internal and external surface of the steel tube shall be free of rust, and cracks, scabs, folding, delamination, and over-burning defects are not allowed.
2. Packing method: Normally there are three methods, they are Wooden cases, PVC, and iron brackets. The packing shall be neat and strong, which can ensure that the products are not loose, damp, deformed, or damaged during transportation and storage. The label text should be clear and firmly pasted.
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