Custom Precision Aluminium Hot Die Forging Auto Engine Part Aluminum Connecting Rod

• Customization: Available
• After-sales Service: Contact Us
• Application: Excavator, Lawnmower, Tractor, Ke Tan, Boat, Motorbike, Truck, Car, Machinery Parts
• Model NO.: SA-LG
• Certification: RoHS, TS16949, ISO 9001, CE
• Warranty: 12 Months
• Engine Type: CNG
• Material: Steel
• Item: Connecting Rod
• Molding Style: Forging
• Molding Technics: Pressure Casting
• Heat Treatment: Normalizing
• Surface Treatment: Sand Blasting
• Forging Tolerance: +/-0.1mm
• Standard: ASTM
• Brand Name: Shengao, OEM
• Raw Material: Steel
• Techincs: Forging
• Factory: Over 15 Years'experience
• Certificate: SGS, CE, ISO 9001:2008
• Delivery Time: 15 Days After Receiving The Payment
• Service: OEM and ODM
• Export Markets: Global
• Transport Package: Plywood Box
• Specification: SGS, ISO9001: 2008
• Trademark: ShengAo
• Origin: Weifang, Shangdong, China
• HS Code: 87089910
• Production Capacity: 5000PCS/Year
• Package Size: 50.00cm * 40.00cm * 50.00cm
• Package Gross Weight: 40.000kg

Product Description

Custom Precision Aluminium Hot Die Forging Auto Part/Engine Aluminum Connecting Rod

Product Description

We have a mature production process from raw materials to forging, heat treatment, machining,
surface treatment, etc. The materials include carbon steel, alloy steel, stainless steel, aluminum
and cooper. The main forging press includes 300T, 400T, 630T, 1000T, 1600T and 2500T, which
covers product weight from 0.1kg to 100kg. The main machining equipment includes lathe, planer,
drilling machine, tapping machine, line cutting, milling machine, CNC machining center, polishing
machine etc., ensuring that we can fulfill different machining requirements from our customers.

We have an individual team of well experienced QC staff and many high-educated technical
engineers who work throughout the whole manufacturing processes i. e., incoming raw materials,
production, and final output, to ensure that our products are of high-quality. The main inspection
equipment includes chemical analyzer, hardness tester, tensile-strength tester, magnetic powder
flaw detector, metallographic analyzer, etc.

High quality products, reasonable price, prompt delivery, and superior service ensure marketing
competitiveness. Our factory has earned high reputation from customers of home and abroad.
We are looking forward to cooperating with you to forge a better future!

    Features:
    a.Item: Customized Steel forging parts    
    b.Drawing: as your requirement
    c.Surface; anneal,quenching, tempering
    d.Material: #45steel, carbon steel, Iron.
    e.Product: manhole cover, pipe fitting, flange, machine parts, pump parts, etc.
    f.Technology: forging 
    g.Advantages: Delivery on time,  according to the demand for materials
    h.Packing: wooden case or as your requirement.
    i.Deliverywithin 20 days after receiving last confirm information.

    Specifications:
    1. ISO9001:2008.
    2.Has advanced euipment and over 15 years experience.
    3.price: competetive price , Precision made.Experience & Reasonable QC that you can reply on.
    4. Process: Precision made. Experience & Reasonable QC that you can reply on Each part
    would be given 100% test andtryout before shipment.
    5. Adequate supply capacity. Punctual delivery time.

    Material specification:
    1. carbon & low alloy steel;
    2. stainless steel;
    3. high alloy & wear resist steel;
    4. gray iron; ductile iron;
    5. malleable iron;
    6. alloyed cast iron;
    7. aluminum alloy;
    8. cooper alloy;
    9. zinc alloy Can provide machining services: turning; milling;
    grinding; drilling; inserting; broaching; boring; polishing.

Mininum of Quantity	100 Piece/Pieces
Unit Weight	0.5kg~5kg
Price	FOB Qingdao,China
Packing Details	Paper Box in Wooden Pallet
Delivery Time	One month
Payment Terms	L/C, T/T
Machining	CNC or
Supply Capacity	50 Metric Tons per Month
Standard	DIN,ASTM,GOST,B

Packaging & Shipping

 

   

FAQ

 

 1. Q: Why choose Shengao product?
     A: We shengao have our own plant-- Weifang Shengao machinery Co.,Ltd, therefore,
     we can surely  promise the quality of every product and provide you comparable price.
 
     2. Q: Do you provide OEM Service?
     A: Yes, we provide OEM Service.
 
     3.  Q: Do you provide customized connecting rod?
     A: Yes. Customers give us drawings and specifications, and we will produce accordingly.
 
     4. Q: What is your payment term?
     A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.

Quality control:
*We have specialized QC testers to check the quality of the products according to different customers' requirement. Usually, it's random inspection, and we also offer 100% inspection at a reasonable price if required.
*We have IQC to check the dimensions and surface of the incoming material
*We have PQC to inspect full-course during the manufacturing processing
*We have FQC to inspect all the anodizing/plating and other finishes' products from our supplier and proceed with 
the professional quality and appearance inspection before shipping.

Q1: What is a connecting rod?

A connecting rod is a precision engine component that links the piston to the crankshaft, converting the piston's reciprocating motion into the crankshaft's rotational motion.

Q2: What are the main parts of a connecting rod?

• Big End: Larger circular end that attaches to the crankshaft journal

• Small End: Smaller end that connects to the piston pin (wrist pin)

• Rod Shaft/Beam: The central structural member

• Bearing Surfaces: Precision surfaces for crank and piston pin bearings

• Bolt Holes: For connecting rod cap assembly

Q3: What materials are connecting rods made from?

• Forged Steel: Most common in production engines (high strength, durability)

• Cast Iron: Older or lower-performance engines

• Aluminum: Racing applications (lighter but less durable)

• Titanium: High-performance racing (excellent strength-to-weight ratio)

• Powdered Metal: Modern manufacturing technique for complex shapes

Q4: What are the different types of connecting rods?

• I-beam Rods: Standard design, good strength-to-weight ratio

• H-beam Rods: Wider design for high RPM/high horsepower applications

• Billet Rods: Machined from solid material (custom applications)

• Cracked Cap Rods: Fracture-split design for perfect cap alignment

Q5: Why are connecting rods balanced?

Proper balancing prevents:

• Engine vibration

• Premature bearing wear

• Reduced engine life

• Potential catastrophic failure
  All rods in an engine must be weight-matched within tight tolerances.

Q6: What causes connecting rod failure?

• Fatigue: Repeated stress cycles

• Over-revving: Exceeding RPM limits

• Detonation/Knock: Abnormal combustion pressures

• Oil Starvation: Insufficient lubrication

• Improper Installation: Wrong torque specs or alignment

• Material Defects: Manufacturing flaws

Q7: What are the signs of connecting rod problems?

• Loud knocking noise from engine (especially under load)

• Low oil pressure

• Metal particles in oil

• Engine vibration

• Loss of power

• Visible damage or bending upon inspection

Q8: How do I measure connecting rod wear?

Critical measurements include:

• Big End Bore Diameter: Check for ovality and taper

• Small End Bore Diameter: Wear assessment

• Center-to-Center Distance: Rod length consistency

• Bearing Clearance: Using plastigage or micrometers

• Straightness and Twist Alignment: Using specialized fixtures

Q9: What maintenance do connecting rods require?

• Regular oil changes with proper viscosity oil

• Inspection during engine rebuilds

• Bearing replacement at rebuild intervals

• Checking bolt torque specifications

• Visual inspection for cracks or bending

Q10: How are connecting rods manufactured?

1. Forging/Casting: Initial shape formation

2. Machining: Precision milling of all surfaces

3. Heat Treatment: Enhancing material properties

4. Balancing: Weight matching to specifications

5. Surface Finishing: Polishing or shot peening

6. Quality Inspection: Dimensional verification and crack testing

Q11: What are ARP bolts and why are they important?

ARP (Automotive Racing Products) bolts are high-strength fasteners that:

• Provide more consistent clamping force

• Resist stretching under load

• Reduce the risk of rod cap separation

• Are essential in high-performance applications

Q12: Can connecting rods be reused or should they always be replaced?

Reuse if:

• Within manufacturer's specifications

• No visible damage or wear

• Proper cleaning and inspection

• Original equipment in stock applications

Replace when:

• Building a performance engine

• Visible damage or wear

• Uncertain history

• Upgrading engine components

• High-mileage engines

Q13: What are "stroker" connecting rods?

Special rods designed for stroker engine kits that:

• Have different lengths than stock rods

• Accommodate increased stroke crankshafts

• Maintain proper piston placement and compression height

• Require matching piston and crank components

Q14: How does rod length affect engine performance?

• Longer Rods: Reduce piston side loading, potentially higher RPM capability

• Shorter Rods: Increase piston speed, change combustion characteristics

• Rod/Stroke Ratio: Affects piston motion, torque curve, and engine balance

Q15: What are torque-to-yield bolts?

One-time-use bolts that:

• Are stretched to yield point during installation

• Provide extremely consistent clamping force

• Must ALWAYS be replaced during reassembly

• Are common in modern engines

If there's anything I can help, please feel free to contact with me.