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18CrNiMo7-6 34CrNiMo6 4140 Carbon Steel Forgings Carburizing Treatment Splicing Arc Rack

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18CrNiMo7-6 34CrNiMo6 4140 Carbon Steel Forgings Carburizing Treatment Splicing Arc Rack

Brand Name : HUIXUAN

Model Number : 50T

Certification : ASTM，ASME，DIN，JIS，ISO，BS，API，EN

Place of Origin : China

MOQ : 1 piece

Price : Negotiable

Payment Terms : L/C, T/T

Supply Ability : 2000-5000Ton/month

Delivery Time : 90-120 Days

Packaging Details : Plywood pallet,steel frame

Forging ratio : ≥3.5

MOQ : 1PC

Molding Style : Forging

Max Weight : 50T

Delivery time : 30-60Days

Melting proce : EF+LF+VD

R : 10496

Heating treatment : N+T Q+T Carburing

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18CrNiMo7-6 34CrNiMo6 4140 carburizing Q+T treatment Splicing arc gear rack

Products:

Gear racks are utilized to convert rotating movement into linear motion. A gear rack has straight teeth cut into one surface of a square or round section of rod and operates with a pinion, which is a small cylindrical gear meshing with the gear rack.

Products reference:

Material 18CrNiMo7-6 34CrNiMo6 4140
Max weight 50T
Application

Gear racks are utilized to convert rotating movement into linear motion. A gear rack has straight teeth cut into one surface of a square or round section of rod and operates with a pinion
Melting process EF+LF+VD
Production process

Forging+heat treatment+rough machining+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

 ABS,DNV,BV,GL,KR,CCS,LR,NK,RINA,RS.
Delivery term

Rough machining(N+T) finish machining(Q+T) and Carburizing

Test equipment

Spectrograph,UT device,tensile and compact test machine,metalloscope,outside micrometer,bore dial indicator,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.

Custom properties

Material elements C Si Mn P S Cr Ni Mo V
18CrNiMo7-6 0.15-0.21 ≤0.40

0.50-0.90

 ≤0.035 ≤0.035

1.50-1.80

1.40-1.70

0.25-0.35
34CrNiMo6 ≤0.34 0.25-0.30 ≤0.50 ≤0.035 ≤0.035 ≤1.50

≤1.55

 ≤0.20
4140

0.38-0.43

0.15-0.35

0.75-1.00

 ≤0.035 ≤0.040

0.80-1.10

0.15-0.25

Process procedure:

Forging process flow quality control:

  1. Raw material steel ingot into warehouse(test the chemical content)
  2. Cutting→ Heating(Furnace temperture test)
  3. Heat treatment after forging(Furnace temperture test) Discharge the furnace(blank inspection)
  4. Machining→ Inspection(UT,MT,Visal diamention, hardness)
  5. QT→ Inspection(UT, mechanical properties, hardness, grain size)
  6. Semi-Finish machining→ Inspection (dimension)
  7. Carburizing quenching
  8. Sand blasting
  9. Finish machining
  10. Painting
  11. Packing and Marking(steel stamp, mark)→ Storage Shipment

Commerce clause

MOQ 1PC
Delivery time 90-120 Days
Package Wood pallet,steel frame
Delivey term FOB;CIF;CFR；DDU；
Payment term T/T,LC
Type of shipping

By ocean,air

We can supply many types of gear racks. If the application requires a long length requiring multiple gear racks in series, we have racks with the tooth forms correctly configured at the ends. These are described as gear racks with machined ends. When a gear rack is produced, the tooth cutting process and the heat treatment process can cause it to try & go out of true. We can control this with special presses remedial& processes.

Advantage

  1. High-precision dimensional tolerance;
  2. Excellent mechanical properties;
  3. Produce different dimension based on customer’s requirements;
  4. Advanced manufacture equipments and inspection devices;
  5. Excellent technical personality;
  6. Control the production procedure strictly;
  7. Pay attention on the package protection;
  8. Quality full service.

R10496

18CrNiMo7-6 34CrNiMo6 4140 Carbon Steel Forgings Carburizing Treatment Splicing Arc Rack18CrNiMo7-6 34CrNiMo6 4140 Carbon Steel Forgings Carburizing Treatment Splicing Arc Rack


Product Tags:

crankshaft forging

      

large forgings

      
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