Incline Chest Press Equipment,Bench press chest Trainer,High pull&Low Pull Machine,Pectoral fly training,Olympic Bench Xuzhou Hongxing Gym Equipment Co., Ltd , https://www.hxygym.com
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**About Tedrail**
Tedrail is a professional manufacturer of railway products based in Jiangsu, China. We specialize in supplying a wide range of components such as bogie parts, wagon parts, coach parts, and locomotive parts according to customer requirements. With expertise in design, manufacturing, and inspection, Tedrail ensures high-quality products and offers comprehensive solutions for the railway industry.
**Axle Steel Grades and Standards Supported by Tedrail**
Tedrail supports and complies with a wide range of axle standards and steel grades. Below are some of the commonly used standards:
| Standard | Material Heat | Treatment Approach |
|----------|---------------|--------------------|
| TB/T 2945-1999 | LZ50 | N (Twice) followed by T |
| AAR M-101-2011 | AAR Grade F | N (Twice) followed by T |
| AAR M-101-2011 | AAR Grade G | Q followed by T |
| AAR M-101-2011 | AAR Grade H | N, Q followed by T |
| EN 13261-2009 | EA1N | N |
| EN 13261-2009 | EA1T | Q followed by T |
| EN 13261-2009 | EA4T | Q followed by T |
| UIC 811-1-1987 | A1 | (U), N, T |
| UIC 811-1-1987 | A2 | N |
| UIC 811-1-1987 | A3 | N, T |
| UIC 811-1-1987 | A4 | T |
| UIC 811-1-1987 | A5 | T |
**Less Common Standards:**
- JIS E 4502
- GMRT 2466
- IRS 16/95
- CME-1
Customized technical specifications can also be met.
**Note:**
- **N** – Normalizing
- **T** – Tempering
- **Q** – Quenching
- **U** – Untreated
**Chemical Analysis of Common Steel Grades**
**LZ50:**
- C: 0.47–0.57%
- Mn: 0.60–0.90%
- Si: 0.17–0.40%
- P: ≤0.03%
- S: ≤0.03%
- Cr: ≤0.30%
- Ni: ≤0.30%
- Cu: ≤0.25%
- T.Al: ≥0.02%
**AAR Grade F:**
- C: 0.45–0.59%
- Mn: 0.75–1.00%
- Si: ≥0.15%
- P: ≤0.045%
- S: ≤0.05%
- V: 0.02–0.08%
**EA1N:**
- C: ≤0.40%
- Mn: ≤1.20%
- Si: ≤0.50%
- P: ≤0.02%
- S: ≤0.02%
- Cr: ≤0.30%
- Ni: ≤0.30%
- Cu: ≤0.30%
- V: ≤0.06%
- Mo: ≤0.08%
**A1:**
- C: ≤0.37%
- Mn: ≤1.12%
- Si: ≤0.46%
- P: ≤0.04%
- S: ≤0.04%
- Cr: ≤0.30%
- Ni: ≤0.30%
- Cu: ≤0.30%
- V: ≤0.05%
- Mo: ≤0.05%
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**Manufacturing Process**
The main process of axle manufacturing includes ingot or bloom reduction, heat treatment, tensile and ultrasonic testing, machining, and coating. From the initial bloom check to final testing, Tedrail maintains strict quality control throughout the entire production cycle to ensure top-quality axles.
**Quality Assurance**
At Tedrail, we guarantee product quality through:
- **Experienced Design Engineering**: Our engineers quickly understand your drawings and identify key points.
- **Mature Workshop Management**: Ensures precise control over the manufacturing process.
- **Comprehensive Testing and Inspection**: Every step of the production process is tested and approved before proceeding.
- **Testing Categories**:
- Chemical Analysis
- Tensile and Impact Test
- Micrographic/Microscopic Test
- Macrographic/Macroscopic Test
- Ultrasonic Test
- Magnetic Test
- Appearance and Dimensional Inspection
- **Serious Quality Control**: Our QA team conducts double-checks on every axle before delivery.
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**Company Profile**
Jiangsu Tedrail Industrial Co., Ltd. is a high-tech enterprise integrating the design and manufacturing of railway passenger cars, metro vehicles, railway vehicles, and rail fittings. The company is dedicated to providing customers with complete solutions for railway passenger transport systems and freight systems. With an experienced design team, we offer fast and high-quality services at any time. Our products have been exported to the United States, South Africa, Brazil, and other countries, covering vehicle components, bogies, accessories, couplers, gangways, seats, luggage racks, air conditioning systems, driver operation desks, electrical cabinets, electric connectors, PIS systems, and FRP composite materials.
**Product Specifications:**
The fitness equipment for chest exercises has diverse characteristics and can meet different training needs and goals.
1. Barbell bench press is one of the most common training exercises for chest muscles, mainly training the pectoralis major, shoulders, and triceps. When using a barbell push, it is important to maintain a straight back and stable shoulder blades, avoid excessive use of shoulder and arm strength, and adjust the weight and frequency of the barbell to suit your level of ability.
2. Dumbbell bench press is another common exercise for training chest muscles, which places more emphasis on the stability and balance of the chest muscles compared to barbell bench press. When using dumbbell push, it is necessary to maintain the stability of the arms and try to keep the movements of both arms consistent. A smaller weight can be used for dumbbell push to improve stability and grip.
3. A chest stretcher is a device specifically designed to train chest muscles, which can be adjusted to different body shapes and training needs by adjusting the position of the seat and handle. The advantage of chest thrusters is that they can more effectively isolate and stimulate the pectoralis major muscle while reducing the impact on other muscle groups.
4. A fitness ball is a multifunctional equipment that can be used for various training exercises, including chest training. By performing exercises such as bench presses and push ups on the fitness ball, the challenge and stability requirements for the chest muscles can be increased.
5. The pull-up device is used to exercise upper body muscles, including chest muscles. By performing pull ups, the development of chest muscles can be effectively stimulated. When using the pull-up device, it is important to maintain correct posture and movements, avoid shaking and excessive use of arm strength.
In addition, other equipment such as butterfly machines, fitness ropes, barbells, and flying birds can also be used for chest exercises. No matter which equipment is chosen, the key is to maintain correct movements and postures, grasp appropriate weight and frequency to avoid injury and achieve the best training results