Main Products: Heavy Steel Forgings ,Axle Shaft Forging ,Gear Blank Forging
4340 20CrMnMo Gear Blank Forging , 4000T Industrial Alloy Steel Gear
Negotiable /Set
Min.Order:1 Set
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JIANGSU HUI XUAN NEW ENERGY EQUIPMENT CO.,LTD
Business Type: Trading CompanyMain Products: Heavy Steel Forgings ,Axle Shaft Forging ,Gear Blank Forging
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Product Details
4340 20CrMnMo Gear Blank Forging , 4000T Industrial Alloy Steel Gear
Product Description
Industrial gear after big scale forging equipment,numerical control vertical lathe,gear shaping heat treatment,gear grinding,those series process to satisfy transmission gear of big scale industrial equipement.
Forging 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
Quick Detail
| Max weight | 30T |
| MOQ | 1PC |
| Delivery time | 30-50Days |
| Package | Plywood case,wooden pallet,steel frame |
| Delivery term | FOB;CIF;CFR；DDU； |
| Payment term | T/T,LC |
| Type of shipping |
By ocean,air |
Products reference:
| Material | 4340,20CrMnMo,34CrNiMo7-6,18CrNiMo7-6 |
| Forging equipment | 4000T open die hydropress |
| Application |
Presion gear of Industrial large scale equipment,heavy duty machinery gear |
|
Melting process |
EF+LF+VD |
|
Production process |
Forging+heat treatment+rough machining+QT+hobbing+gear grinding+finish machining |
|
Forging ratio |
≥3.5 |
|
Applicable standard |
ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
|
Executive standard |
JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
|
Certification authority |
ISO,BV,GSG, IST, UL,CTI |
|
Delivery term |
Rough machining(N+T);finsh machining(Q+T),nitriding quenching |
|
Test equipment |
Spectrograph,UT device,tensile and compact test machine,metalloscope,outside micrometer,bore dial indicator,trilinear coordinate measuring machine,hardness test machine |
|
Service |
Our service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer’s requirements as the principal thing, and pay attention on the products quality. |
Advantage
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.Custom properties
|
Material elements |
C | Si | Mn | P | S | Cr | Ni | Mo |
Others |
| 20CrMnMo | 0.17-0.23 | 0.17-0.37 | 0.90-1.20 | 0.035 | 0.035 | 1.10-1.40 | 0.30 | 0.20-0.30 | 0.17-0.23 |
| 34CrNiMo6 | 0.30-0.38 | ≤0.040 | 0.50-0.80 | ≤0.035 | ≤0.035 | 1.30-1.70 | 1.30-1.70 | 0.15-0.30 | |
| 18CrNiMo7-6 | 0.15-0.21 | 0.17-0.35 | 0.50-0.90 | ≤0.025 | ≤0.025 | 1.50-1.80 | 1.40-1.70 | 0.25-0.35 | |
| 4340 | 0.38-0.43 | 0.15-0.35 | 0.60-0.80 | ≤0.035 | ≤0.040 | 0.70-0.90 | 1.65-2.00 | 0.20-0.30 | - |
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