Rolled Rings Alloy Steel Forging 42CrMo4 25CrMo4 20MnCr5 51CrV4 20MnCr5 20CrMnMoH

Rolled Rings 42CrMo4 25CrMo4 20MnCr5 51CrV4 20MnCr5 20CrMnMoH


Guangda provide different kind of forging rings . We strictly control the whole production chain, from melt to the rolling of the rings. Guangda can offer rings of diameters up to 6300 mm and weights up to 60,000 kg.


Alloy steel Rolled Rings Specifications

Open Die & Rolled Rings material we could provide

Alloy steel Rolled Rings Test report items

• Material chemical composition test
• Material mechanical properties test
• Ultrasonic testing sound speed measurement
• Casting wall thickness test
• Ultrasonic test
• Casting blank dimensions test
• Metallurgical microstructure test
• Magnetic partice inspection
• Size test during machining and finished products
• Heat treatment technology curve
• Corrosion protection test
• EN10204-3.1 certificate
• Quality certifixation of raw material

Alloy steel Rolled Rings Rings About Guangda

Guangda is a specialized in forging research and development, production, sales, service as one of the comprehensive company. We could provide rough blank or semi-finishing or finishing parts focuses on large forging equipment .We have formed a whole industrial chain of smelting, casting, machining and surface treatment, and our technology and cost control are leading in the world.
As a leading forgings manufacturer, we have greater resilience in our production, which makes our forged steel shaft turnaround very fast. In addition, due to our distinguished characteristics of manufacturing and raw materials, the quality of forgings that we create are of better quality than shafts machined from other stock.

rolled ring forging suppliers

rolled rings suppliers

mechanical gear ring

Zhangjiagang Guangda Special Material Co.,Ltd was established in 2003.  We located in Jiangsu Province beside Shanghai. Act as the high-tech enterprises with high-quality special alloy materials as the core business belong to the "advanced iron and steel materials" industry under the strategic emerging industries supported by the state.

 1. Headquarter Zhangjiagang 220.000㎡                                   2. Rugao Base 420.000㎡                   

 3. Zhangjiagang Precision Manufacturing Base 200,000㎡     4. Deyang Base 350.000㎡

Guangda Main products.

1. Material :
Gunagda has formed more than 10 core technologies in material melting technology and has internationally advanced heat treatment production lines from smelting and forging. Annual capacity for high quality alloy ingot 500,000 tons .Guangda provide high quality gear steel, high quality die steel, special stainless steel, high temperature alloy, ultra-high strength steel and other new material products encouraged by the state.

2.Forgings:
Guangda provide different forgings of shaft ,gear blank , ring rolling, rough machining, heat treatment and finish machining. Our annual production capacity is 500,000 tons for various of free-die forgings, ring rollings .Guangda forgings are widely used in high-end equipment manufacturing industries such as new energy wind power, rail transit, mechanical equipment, aerospace, new energy power, gas turbine, Marine petrochemical, semiconductor chip equipment and so on.

3.Castings:
Our business mainly focuses on large casting equipment, and our products mainly include large wind turbine castings, large equipment and equipment castings, large plastic machinery castings, and large shell castings with a total annual capacity of 210,000 tons. We have formed a whole industrial chain of smelting, casting, machining and surface treatment, and our technology and cost control are leading in the world.

4.Precision machining parts:
Through continuous and high starting point technical transformation. Guangda has introduced world-class high-precision equipment for the gears manufacturing, established a complete quality management system and after-sales service network, and dedicated itself to providing users with high-quality products. Quality products and satisfactory service.​All products are manufactured with the most advanced and modern equipment of PAMA,Gleason,Danobat,Kehren,Nicolas,Pierto carnaghi and efficient technical team with an emphasis on cost effective production.Guangda pursues excellence & innovation with tight quality control & the most advanced technology in the industry.