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| Place of Origin | Jiangsu China |
| Brand Name | Guangda |
| Certification | DNV, BV, Rina, ISO, GL, ABS, LR ,CCS ,PED |
Forged Discs & Gear Blanks Open Die Forgings Forged Parts - Rods Rings Discs Bushings
Open die forging is an important technique for many types of manufacturing. It allows rough and finishing shaping of metal, most commonly steel and steel alloys. It requires a die that is open on the sides, allowing the workpiece to move freely, in a lateral direction, when struck. This type of design also allows for forging of very large workpieces, in some cases, weighing many tons and having great length and width.
Open die forgings can be worked into shapes which include discs, hubs, blocks, shafts (including step shafts or with flanges), sleeves, cylinders, flats, hexes, rounds, plate, and some custom shapes.
In Open die forging, a rough or precision machining is normally further required after the open die forging process as imprecise dimensions are achieved by hammering. Thus, open die forging is more suitable for large parts in a number of tons. Generally, the products in forging method include forged long shafts, forged rollers, and forged cylinders, which are mostly used for the application of railway and aircraft industry.
Forged disc & gear blanks open die forgings Specification
| Application | Heavy duty industry |
| Diameter | φ150mm-15000mm |
| Smelting | EAF+LF+VD |
| UT | SEP1921,EN10228-3 C/c D/d |
| Heat treatment | Normalized , queching and tempering ,stress relief (if needed )+others |
| Delivery condition | Rough ,Semi-finished ,finished |
| Standard | EN10250,EN10083,SEW550 etc. |
| Equiment | 5000T pressing machine |
Forged disc & gear blanks open die forgings Material we could provide
| Type | Material |
| Carbon steel | C15,C22,C25,C30,C35,C40,C45,C50,C55,C60,S355J2G3 etc. |
| Alloy steel |
25CrMo4, 42CrMo(S)4, AISI4130, AISI4140, AISI4150, 34CrNiMo6, 30CrNiMo8, 31CrMoV9, 20MnCr5, 20CrMnMoH 18CrNiMo7-6,16MnCr(S)5,20MnCr(S)5,51CrV4, etc. |
| Stainless steel | 630 17-4PH,630 17-7PH, 632 15-7MoPH,XM12 15-5PH,2205,2507,F55,2205 etc. |
| Tool and die steel | H11-1.2343,H13-1.2344, 1.2738,1.2718 ,1.2343, 1.2312 ,XPM , 80, DVA etc. |
| Special steel | GH2132, GH3030, GH3128, GH4145 ,GH4169 ,GH4080 ,Inconel600 , Inconel601 ,Inconel625 ,Inconel718 N07718 / GH4169, Inconlex - 750, Incoloy800H,Incoloy825,Incoloy901,Incoloy925,Incoloy926 etc. |
Forged disc & gear blanks open die forgings 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,forging, machining and surface treatment, and our technology and cost control are leading in the world.
As a leading forging 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 forged steel that we create are of better quality than forgings machined from other stock.
| Company type | Science and Technology innovation board listed company. Stock code :688186 |
| Completed supply chain | Guangda is an leading and integrated steel manufacturer from smelting, forging, heat treatment to precision smart manufacturing . |
| Shape | Ring, Shaft, disc, round plate, Dysplasia forgings etc. |
| Smelting | Smelting capacity 500,000.00 ton/year . With own smeliting line of carbon steel,stainless steel, alloy steel and special steel . |
| Annual capacity for the forgings | Forging capacity 300,000.00 ton/year . With own professinal forging press machines 5000ton,4500ton,4000ton,3600ton,2000ton,1000ton and ring rolling mill machines and could manufacture the forging blank ourselves. |
| Machining | Turning, milling, boring ,grinding, finished machining, gear shaping ,gear hobbing, gear grinding capability. |
| Heat treatment | Own professional equipment for heat treatment for Annealing ,Normalizing ,Tempering ,QT, Isothermal annealing,Stress relief , Nitriding , Carburize ,Case-hardening etc |
| Surface treatment | High-pressure cleaning, sand blasting and thermal spraying. Complete surface treatment capability. |
Smelting
Forging
Heat treatment
Machining
Products in workshop
Forged disc
Gear blank
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