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Meide Q355D Carbon Steel Forged Rings High-Strength Flanges | Precision Rolled Flaw Tested | OEM/ODM Industrial Use | Shandong

Product Description

Forging Rings Production Banner
Product Specifications
Place of Origin Shandong, China Brand Name Meide
Product Name Ring Forging; Forging Rings Application Industry, Truck crane support ring, Mining, Power, Shipbuilding
Key words OEM Customized Forging Ring; Stainless Steel Ring Forging Certification ISO9001
Material 42CrMo, Stainless Steel 304/316/304L/316L Process Forging + Machining (if need) + Surface Treatment
Surface treatment Quenching and tempering, CNC machined Package Carton
Size 50-2500mm; Customized Standards GB, ASTM, DIN, JIS
Superior Wear Resistance Bearing Race
Superior Wear Resistance
Forged bearing races are critical core components manufactured by precision closed-die forging. Under intense and uniform forging pressure, the original uneven grain structure of the metal billet is reorganized and homogenized, and internal defects such as shrinkage cracks and inclusions are effectively eliminated. The resulting grains are aligned in a smooth, continuous flow that follows the raceway’s curved contour, creating a dense, wear-resistant microstructure. This structural refinement greatly improves the bearing race’s hardness, dimensional stability, and friction resistance, allowing it to maintain long-term reliability under high-speed rotation, heavy loads, and extreme temperature fluctuations in industrial machinery and automotive transmissions.
High Load-Bearing Capacity
Forged rings are high-performance annular components crafted through advanced ring rolling and forging processes. Under continuous and precise forging pressure, the coarse, disorganized grains of the metal blank are broken down and refined, while internal flaws like porosity and blowholes are fully removed. The refined grains then arrange themselves in a directional, circumferential flow that conforms to the ring’s circular shape, forming a compact, defect-free microstructure. This unique grain orientation significantly enhances the ring’s fatigue strength, toughness, and load-bearing capacity, enabling it to stably withstand the rigorous cyclic loads and high-stress conditions in wind power, aerospace, and heavy machinery applications.
High Load-Bearing Capacity Rings
Product Display
Product Application
Forged Components Applications
1. Automobile Manufacturing
Forged components (such as forged rings and gear blanks) are widely used in automotive transmissions and chassis systems. Their dense microstructure and high strength ensure stable power transmission and reliable load bearing, effectively improving the vehicle’s shifting smoothness and operational safety.
2. Precision Instruments
High-precision forged parts are core components in precision instruments (e.g., medical imaging equipment). The uniform grain flow and dimensional accuracy of forged components ensure the stable operation of precision mechanisms, supporting the high-precision performance of instruments in complex working environments.
3. Hydraulic Systems
Forged hydraulic components (like valve bodies and connecting rings) are key to hydraulic systems. Their high pressure resistance and wear resistance enable the system to maintain stable pressure transmission and long-term sealing performance under high-load cyclic operations.
4. Aerospace
High-strength forged parts (including turbine rings and structural components) are essential for aerospace equipment. Their excellent fatigue resistance and heat resistance allow them to withstand extreme conditions of high temperature, high speed, and high pressure, ensuring the safe and efficient operation of aircraft and engines.
5. Electronic Industry
Precision forged metal components are used in high-end electronic equipment (e.g., server racks). Their structural stability and electromagnetic compatibility (EMC) performance provide reliable support and shielding for electronic systems, ensuring stable operation of equipment in high-load environments.
6. Offshore Petroleum Exploration
Corrosion-resistant forged components (such as wellhead flanges and pipeline rings) are widely used in offshore oil platforms. Their anti-corrosion and high-pressure resistance enable them to adapt to the harsh marine environment, ensuring the safety and durability of exploration and production equipment.
Company Profile
Shandong Meide Import and Export Co., LTD was established in 1997. Located in Liaocheng City, Shandong Province, the largest steel logistics center in North China, focusing on the production and sales of copper, aluminum, stainless steel, special steel, mould steel, alloy steel, steel processing machinery and equipment. Our products are mainly extended to five series of plate, strip, tube, bar and profile. We have passed ISO9001:2000 quality system certification, SGS, ROSH, TUV and REACH certification. Has cold rolling, hot rolling and other production lines. Such as heat treatment chemical analysis, metal halide testing, physical testing, nondestructive testing and other testing equipment and testing technology, imported physical and chemical testing equipment full spectrum direct reading spectrometer, can quickly and accurately chemical analysis of all kinds of metal materials. According to American ASTM standard, Japanese JIS standard, German DIN standard, British BS standard and other standards production. At the same time, we can customize and develop new products according to the actual application of customers, and provide products for different cost and performance requirements. The company cooperates with more than 20 well-known steel mills in China, and has established modern large outdoor warehouse and indoor warehouse, with 20,000 tons of goods in stock. The customer base covers all provinces and cities in China, and has more than 100 long-term stable cooperative customers. We warmly welcome and look forward to cooperating with you!
Production Process
Forging Production Process Flow
Raw Material Preparation
  • Material selection
  • Inspection
  • Blanking
Forging Blanks
  • Heating
  • Forging operations
  • Cooling
Heat Treatment
  • Normalizing or annealing
  • Quenching and tempering
Machining
  • Rough machining
  • Finish machining
  • Keyway machining
Surface Treatment
  • Anti-rust treatment
  • Surface strengthening treatment
Quality Inspection
  • Dimensional accuracy inspection
  • Geometric tolerance inspection
  • Surface quality inspection
  • Performance inspection
Assembly and Packaging
  • Assembly
  • Packaging
Certification
Quality Certifications ISO SGS
Packaging and Transportation
Packaging and Transportation Logistics
FAQ
What raw materials do you use for forged rings and flanges?
We mainly use carbon steel (45#, Q355D), stainless steel (304, 316L) and alloy steel (20CrMo, 42CrMo), all from reputable steel mills.
Can you provide custom surface treatments for forged components?
Yes, we offer galvanizing, painting, passivation and anti-corrosion coating according to customer requirements.
What payment terms do you support for international orders?
We usually accept T/T (30% deposit in advance, 70% before shipment) and L/C at sight for large international orders.
Do your forged products meet international standards (e.g., ASTM, DIN)?
Yes, our products comply with ASTM, DIN, GB and other international/ domestic standards, and we can customize according to specific standards.
What size ranges can you produce for ring forging?
We provide customized forged rings with sizes ranging from 50mm to 2500mm according to the drawing specifications and customer needs.
How do you ensure the internal quality and structure of forgings?
Through precision hot forging, normalizing/quenching heat treatment, and complete inspections including full spectrum direct reading spectrometer analysis, physical testing, and non-destructive testing.

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