Zhangjiagang Guangda Special Material Co., Ltd.
| Payment Terms | L/C, T/T, D/P, D/A |
| Supply Ability | |
| Delivery Time | 15-45 work days |
| Material | 18CrNiMo7-6, 42CrMo4 , 34CrNiMo6 etc. |
| Heat treatment | Annealing,Normalizing,Tempering ,QT Etc . |
| Diameter | Max 5000mm |
| Delivery condition | rough material ,semi-finished ,finished machining |
| Process | Milling,Stamping,Turning,Forging+Machining(if Need)+surface Treatment |
| Standard | DIN,JIS,EN,ASTM,GOST |
| Brand Name | Guangda |
| Certification | DNV, BV, Rina, ISO, GL, ABS, LR,CCS ,PED |
| Place of Origin | Jiangsu China |
| Model Number | Gear ring blank |
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Product Specification
| Payment Terms | L/C, T/T, D/P, D/A | Supply Ability | |
| Delivery Time | 15-45 work days | Material | 18CrNiMo7-6, 42CrMo4 , 34CrNiMo6 etc. |
| Heat treatment | Annealing,Normalizing,Tempering ,QT Etc . | Diameter | Max 5000mm |
| Delivery condition | rough material ,semi-finished ,finished machining | Process | Milling,Stamping,Turning,Forging+Machining(if Need)+surface Treatment |
| Standard | DIN,JIS,EN,ASTM,GOST | Brand Name | Guangda |
| Certification | DNV, BV, Rina, ISO, GL, ABS, LR,CCS ,PED | Place of Origin | Jiangsu China |
| Model Number | Gear ring blank | ||
| High Light | Ring Gear Blank Forging ，Gear Blank Forging 42CrMo4 ，Large Diameter Rolled rings | ||
Ring Gear Blank Forging 42CrMo4 Large Diameter Rolled rings manufacturers
Gear is one of the components with the highest technical content in industry. Through continuous and high starting point technical transformation. Guangda has introduced world-class high-precision equipment, 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.
Gear blank forging Product features
| Material | 42CrMo4,42CrMo |
| Process | EAF+LF+VOD+Forging+Rough machining+QT+Finish machining |
| Acceptance rate 0.8mm flaw detection | 100% |
| UT | DIN EN10228 Quality-Class 3 C/c or D/d |
| Diameter | Max 5000mm |
| Delivery state | Rough blank, semi-finished blank,finishing gears |
| Surface | Black, peeled, polishing, bright, sand blast, hair line, etc. |
| Application | Used for wind turbine gear box ,industril gear box,Generator, transmission, reduction motor, equipment transmission etc. |
Gear blank forging 42CrMo4 Chemical Composition
| Standard | Steel desination name | Number | C | Si | Mn | P | S | Cr | Mo | Ni |
| EN10083 | 42CrMo4 | 1.7225 | 0.38-0.45 | ≤0.4 | 0.60-0.90 | ≤0.025 | ≤0.035 | 0.90-1.20 | 0.15-0.30 | - |
| EN10083 | 42CrMoS4 | 1.7227 | 0.38-0.45 | ≤0.4 | 0.60-0.90 | ≤0.025 | 0.02-0.04 | 0.90-1.20 | 0.15-0.30 | - |
| Standard | Steel designation name | Number | C | Si | Mn | P | S | Cr | Mo | Ni |
| EN10250 | 42CrMo4 | 1.7225 | 0.38-0.45 | ≤0.4 | 0.60-0.90 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.30 | - |
Gear blank forging procedure
Orging process flow quality control: Raw material steel ingot into warehouse(test the chemical content) → Cutting→ Heating(Furnace temperture test) → Heat treatment after forging(Furnace temperture test) Discharge the furnace(blank inspection)→ Machining→ Inspection(UT,MT,Visal diamention, hardness)→ QT→ Inspection(UT, mechanical properties, hardness, grain size)→ Finish machining→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment
High-precision dimensional tolerance;Excellent mechanical properties;Produce different dimension based on customer’s requirements;Advanced manufacture equipments and inspection devices;Excellent technical personality;Control the production procedure strictly;Pay attention on the package protection;Quality full service.
Ring rolls
Roll forge
Rolled rings manufacturers
Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
0.4 billion-0.6 billion
Employee Number:
1800~2500
Ecer Certification：
Site Member
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 ... 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 ...
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