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Hot Forging Parts Heat-Treated Alloy Steel Drop Spindle Auto Accessories

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Port: Qingdao
Payment Terms: L/C,Western Union,D/P,D/A,T/T,MoneyGram,paypal
Supply Ability: 6000000 Piece/Pieces per Year
Brand Name: ZH
Place of Origin: Shandong China
Keyword: Hot Forging Parts
Product name: Alloy Steel Drop Spindle Hot Forging Parts
Tolerance: ±0.01mm
Service: Customized OEM
Material: Steel
Shipping: 10--15 work days after received order and deposit
Model Number: OEM
Application: Trailer Spare parts
Certification: ISO9001:2008,BV,TUV
Surface treatment: Anodized, brushing, broaching, polishing etc.
Name: Alloy Steel Drop Spindle Hot Forging Parts
Packaging Detail: Standard export packing or according to customers' specific requests.
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Qingdao Zehan Machinery Manufacturing Co., Ltd.
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US$ 200,000+
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Product Name
Hot Forging Parts Heat-Treated Alloy Steel Dropped Spindle Auto Accessories
Quality Assurance
ISO9001:2015 Certified

Aluminum Alloy:5052 /6061/ 6063 / 2017 / 7075 / etc.
Brass Alloy:3600/ 3602 / 2604 / H59 / H62 / etc.
Stainless Steel Alloy:303 / 304 / 316 / 412 / etc.
Steel Alloy:Carbon Steel / Die Steel / etc.
Other Special Materials:Lucite / Nylon / Bakelite / etc.
We handle many other type of materials. Please contact us if your required material is not listed above.
Surface Treatment
Blacking,polishing,anodize,chrome plating,zinc plating,nickel plating,tinting

1. Construction: lifting anchors for precast concrete, spherical head anchors
2. Automotive industry: piston, connecting rods, cams, camshafts, crankshafts
3. Heavy machinery: Rock breaker, excavator parts
4. Energy: Anvil, gate valve, wellhead control EQP, wellhead EQP
5. Defense: Black receiver, aluminum trigger guards and receivers
6. Truck: Cylinder heads, oil sump, clutch housing, front and rear brake calipers.
Caliper, Inner diameter micrometer, OD diameter, height vernier caliper, Hardness tester, Ring gauge, Infrared spectrometer, Profile projector machine, Coordinate measuring machine, Roughness meter, Visual quality standards etc.
File Formats
ISO9001:2015 Certified
Machining Equipment
Machining Center / CNC Lathes / Grinding Machines / Milling Machines / Lathes / Stamping Machines/ Full Automatic Lathe /etc.

Company Advantage
1. High Precision, New Technology, Competitive Price for Casting and machining
2. Advanced casting machines available.
3. All kinds of facility, CNC machining, turning, milling, tapping, drilling, polishing, punching, etc...
4. Competitive Prices, Excellent Service, and Good Lead Time.
5. 100% full inspection before shipment.
6. Less than 3% on-time delivery rate.
Company profile
Qingdao Zehan Machinery Manufacturing Co., Ltd is an export-oriented high-tech enterprise specializing in fabrication of high-end metal parts, keeping a long-term and stably strategic cooperation with a number of world-famous enterprises since 2006. Our products are widely used in precision equipment, engineering machinery, construction, power facility, medical, animal husbandry, aviation, rail traffic and other industries. They have been widely sold in high-end market like North American and European countries.
Zehan has employee forces with excellent professional competence, strong executive ability, and high working efficiency. More than 80% of them achieved junior college degree or above. In addition to the standard regulation and professional guidance of daily production work, Zehan also provides,employees with regular training on technical basic theory and practical operation technology for years, which improves the front-line employees' overall professional quality while they working, and further improves the products‘ quality and stability. It is our consistent tenet to pursue quality and make every product with high-quality materials, scientific design and exquisite process.
Qingdao Zehan Machinery Manufacturing Co., Ltd. sincerely welcomes more friends to cooperate with us, and create a better future together.
Processing Capability
Testing Equipment
Manufacturing Process
Application Field
1. Why is forged metal stronger than cast or machined metal? This stems from the grain flow caused through forging. As the metal is pounded the grains deform to follow the shape of the part, thus the grains are unbroken throughout the part. Some modern parts take advantage of this for a high strength-to-weight ratio. 2. What are the main difference between hot and cold forging? The cold forging manufacturing process increases the strength of a metal through strain hardening at a room temperature. On the contrary the hot forging manufacturing process keeps materials from strain hardening at high temperature, which results in optimum yield strength, low hardness and high ductility. Which forging method to apply is based on the required functions of the desired component, the industry and if it’s a mass production or a low volume of customized parts. 3. What’s the difference between forging and casting? Casting and forging are both described as taking metal material and making it into specific forms and shapes. However, the processes involved for forming that metal are very different. Casting requires the material to be in a molten state and then poured into a “cast” for the final shape. The forging process takes a bar or billet of material and heats it up to a high temperature without melting it; making the metal soft and malleable. It is then hammered or pressed into a specific shape in a closed-die by a hammer. 4. Why are iron and its alloys almost hot forged? This is for two reasons: 1) First, if work hardening were allowed to progress, hard materials such as iron and steel would become extremely difficult to work with. 2) Secondly, steel can be strengthened by other means than cold-working, thus it is more economical to hot forge and then heat treat. Alloys that are amenable to precipitation hardening, such as most alloys of aluminum and titanium, can also be hot forged and then hardened. Other materials must be strengthened by the forging process itself. 5. What is closed die forging? Closed die forging is a forging process in which dies move towards each other and covers the workpiece in whole or in part. The heated raw material, which is approximately the shape or size of the final forged part, is placed in the bottom die. The shape of the forging is incorporated in the top or bottom die as a negative image. Coming from above, the impact of the top die on the raw material forms it into the required forged form. 6. What’s the difference between open die forging and closed die forging? The technique of both open die forging and closed die forging is different. In general, for closed die forging, the molding dies are first precision machined and cost is high. The metal bars are then placed on between upper and lower dies and forged to any shapes needed. After closed die forging very less or no machining will be operated due to its high accuracy throughout the process. So closed die forging is also a net shape or near net shape process. For open die forging, enormous compressive forces are imposed by the continuous strike of a forging hammer to deform the metal billets. Unlike closed die forging, dies of open die forging is very simple. And secondly machining operation is always carried out.