Premium Alloy Steel Forged Fuel Injectors & Balance Shafts –
High-Strength Automotive Engine Components
Product Overview
Our premium forged alloy steel fuel injectors and balance shafts
are engineered for exceptional performance in demanding automotive
applications. Manufactured using high-precision forging techniques,
these components deliver superior strength, wear resistance, and
longevity, ensuring optimal engine efficiency and reduced
maintenance costs.
Key Features
Material: High-grade alloy steel for exceptional heat resistance
and durability.
Process: Precision forging ensures dense grain structure, enhancing
fatigue life and load capacity.
Applications: Ideal for fuel injection systems and engine balancing
in passenger vehicles, heavy-duty trucks, and performance engines.
Benefits: Improved fuel efficiency, reduced vibration, and extended
engine lifespan.
Optimized for
SEO: Targets keywords like "forged alloy steel," "fuel injectors,"
and "balance shafts."
Technical Buyers: Highlights material properties and manufacturing
standards.
Commercial Appeal: Emphasizes durability, performance, and cost
savings.
Technical Specifications
| Parameter | Fuel Injectors | Balance Shafts |
|---|
| Material | High-grade alloy steel (e.g., 4140, 4340) | High-grade alloy steel (e.g., 42CrMo4) |
| Forging Process | Precision closed-die forging | Hot forging + CNC machining |
| Hardness | 28-32 HRC | 30-35 HRC |
| Tensile Strength | ≥ 850 MPa | ≥ 900 MPa |
| Surface Treatment | Nitriding / Chrome plating | Shot peening + Phosphating |
| Dimensional Tolerance | ±0.02 mm | ±0.05 mm |
| Operating Temperature | -30°C to +250°C | -40°C to +200°C |
| Weight Tolerance | ±1% | ±1.5% |
| Certifications | ISO 9001, IATF 16949 | ISO 9001, IATF 16949 |
| Compatibility | Diesel/Gasoline engines | 4-cylinder/V6/V8 engines |
Notes
Customization Available: Material grades, coatings, and dimensions
can be adjusted per OEM requirements.
Testing Standards: Includes fatigue testing, metallurgical
analysis, and 100% dimensional inspection.
Packaging: Anti-rust VCI paper + wooden cases (default);
FAQ
1. Product Specifications & Quality
Q: What alloy steel grades do you use for these components?
A: We typically use 4140, 4340, or 42CrMo4 alloy steels for optimal strength and heat resistance. Custom material grades
can be sourced upon request.
Q: How does forging improve performance compared to cast/machined
parts?
A: Forging aligns the metal’s grain structure, enhancing fatigue resistance, impact strength, and dimensional stability—critical for high-stress engine applications.
Q: What certifications do your products comply with?
A: Our production is ISO 9001 and IATF 16949 certified, with material traceability and full inspection reports (e.g.,
hardness, tensile tests).
2. Customization & OEM Services
Q: Can you customize dimensions or coatings for specific engines?
A: Yes! We adjust material grades, tolerances (±0.01mm achievable), surface
treatments (e.g., DLC coating), and packaging per OEM blueprints.
Q: Do you provide prototype samples before mass production?
A: Prototypes are available for testing. Lead time depends on
complexity (typically4–6 weeks).
3. Pricing & Logistics
Q: What’s the MOQ (Minimum Order Quantity)?
A: Standard MOQ is 1000 pieces/order.
Q: What’s the typical delivery time?
A: 30–45 days after order confirmation (varies by quantity and customization).
Expedited options available.
4. Performance & Maintenance
Q: How do your balance shafts reduce engine vibration?
A: Precision-forged shafts are dynamically balanced to ≤0.5g·cm, minimizing harmonic vibrations in 4/6/8-cylinder
engines.
Q: Are these fuel injectors compatible with biofuels/synthetic
fuels?
A: Yes, our nitrided/chrome-plated injectors resist corrosion from E10, biodiesel, and alternative fuels.
