Customized Precision Industrial Piston Rod Forged Parts with 34CrNiMo6
Piston rod without chrome plating is typically a hard chrome-plated piece of cold-rolled steel which attaches to the piston and extends from the cylinder through the rod-end head. In double rod-end cylinders, the actuator has a rod extending from both sides of the piston and out both ends of the barrel.
Product Introduction
We always keep a large number of stocks to ensure that we can supply enough Cold Drawn Carbon Steel Tube, Stainless Steel Hydraulic Piston Rods, Cold Drawn Seamless Steel Pipe for our customers. Advanced science and technology have brought us a powerful and professional service system, and we always face the ever-changing market with full spirit. We transform the scientific and technological achievements into the productivity unceasingly, produce and develop various kinds of practical and novel products. Honest to every customers are our requested! We believe that building a distinctive corporate culture is of great significance for improving our management level, promoting company values, enhancing core competitiveness, and promoting scientific development.
Products Description
Our hard chromium plating on piston rods provides exceptional surface hardness, smoothness, and wear resistance, ensuring long-lasting performance in demanding hydraulic and pneumatic systems. Manufactured with high-quality steel substrates, the rods undergo advanced grinding, polishing, and hard chrome plating processes. This ensures excellent corrosion protection, reduced friction, and extended service life, making them ideal for heavy-duty hydraulic cylinders and precision machinery.
Product Advantages
- High Surface Hardness-Hard chrome plating improves hardness up to HRC 55–60, resisting scratches and wear.
- Corrosion Resistance-The plating acts as a protective barrier against rust, oxidation, and harsh working environments.
- Smooth Surface Finish – Reduces seal damage and improves hydraulic system efficiency.
- Improved Fatigue Strength – Extends working life under repeated stress and pressure cycles.
- Cost-Effective Performance – Reduced downtime and maintenance costs for industrial users.
Technical Parameters
Material: CK45, ST52, 42CrMo4, or as requested
Surface Hardness: HRC 55–60 after hard chromium plating
Plating Thickness: 20–30 μm (customizable)
Surface Roughness: Ra ≤ 0.2 μm
Straightness: ≤ 0.2mm / 1000mm
Diameter Range: 10 mm – 350 mm
Length: Up to 8 meters
Tolerance: f7, f8, or as specified
Product Specifications
| Φ 6 | Φ 8 | Φ 10 | Φ 12 | Φ 16 | Φ 20 | Φ 22 | Φ 25 | Φ 28 | Φ 30 | Φ 32 | Φ 35 |
| Φ 36 | Φ 38 | Φ 40 | Φ 45 | Φ 50 | Φ 55 | Φ 60 | Φ 65 | Φ 70 | Φ 75 | Φ 80 | Φ 85 |
| Φ 90 | Φ 100 | Φ 105 | Φ 110 | Φ 120 | Φ 125 | Φ 130 | Φ 140 | Φ 150 | Φ 160 | Φ 170 | Φ 180 |
| Φ 200 | Φ 220 | Φ 250 | Φ 300 | Φ 350 | Φ 450 | Φ 450 | Φ 500 | Φ 550 | Φ 600 | Φ 650 | Φ700 - Φ1600 |
Customization Options
At Wuxi Shenlu Hydraulic Machine Parts Co., Ltd, we provide flexible customization to meet different industry requirements:
- Special diameters and lengths according to drawings
- Custom plating thickness for specific environments
- Surface treatments such as nickel-chrome or induction hardening
- OEM & ODM service with machining ends, threading, or cut-to-length supply
Product Applications
The hard chromium plating on piston rods is widely used in:
- Hydraulic and pneumatic cylinders
- Construction machinery (excavators, loaders, cranes)
- Agricultural machinery and equipment
- Mining and drilling machines
- Automotive shock absorbers and heavy vehicles
- Industrial automation and manufacturing equipment
Quality Control & Certifications
We ensure every rod meets international quality standards through strict inspection:
- Raw material traceability and chemical analysis
- Hardness and plating thickness testing
- Straightness and dimensional accuracy checks
- Salt spray and corrosion resistance tests
- ISO 9001 certified production system
We promise to deliver only reliable, precision-engineered piston rods.
Packaging & Logistics
Standard Packaging: Plastic end caps, anti-rust oil coating, wrapped in protective film, bundled with steel straps.
Export Packaging: Seaworthy wooden cases or steel pallets for safe long-distance transport.
Shipping Options: Sea freight, air freight, and courier service are available with global delivery.
After-Sales Service
We provide complete after-sales support to ensure customer satisfaction:
- Warranty under normal working conditions
- Technical support for installation and usage
- Quick replacement or repair service if issues occur
- Long-term cooperation with OEM clients worldwide
- 24/7 customer support team for inquiries
Frequently Asked Questions
Q1: Why choose hard chromium plating on piston rods?
A: Hard chromium plating significantly improves surface hardness, corrosion resistance, and durability, making piston rods ideal for heavy-duty hydraulic applications.
Q2: Can you supply customized sizes and plating thickness?
A: Yes, we can produce piston rods according to customer drawings, with customized dimensions and chrome layer thickness.
Q3: What base materials are used for piston rods?
A: Common materials include CK45, ST52, and 42CrMo4, depending on strength and application requirements.
Q4: How do you guarantee the quality of piston rods?
A: Each rod is tested for hardness, straightness, chrome thickness, and corrosion resistance before delivery.
Q5: What industries benefit from hard chromium plating on piston rods?
A: Industries such as hydraulics, construction, agriculture, mining, and automotive rely heavily on these rods.
Q6: Do you provide machining services for piston rods?
A: Yes, we offer end machining, threading, drilling, and cut-to-length services.
Q7: What is the normal delivery time?
A: Standard products are usually shipped within 7–15 days, and customized orders take 20–30 days.
Q8: Are your piston rods ISO certified?
A: Yes, our products are manufactured under ISO 9001 certification with strict quality inspection.
Q9: How do you pack piston rods for export?
A: We use anti-rust oil, protective film, steel bundling, and wooden cases to ensure safe transport.
Q10: Do you accept trial or sample orders?
A: Absolutely, we welcome trial orders to support customers in testing our quality before bulk purchases.
We emphasize enhancement and introduce new solutions into the market just about every year for Customized Precision Industrial Piston Rod Forged Parts with 34CrNiMo6. As long as you order our products, no matter where you are, we will send professional technicians to serve you in time. We constantly listen to customer needs, continue to innovate, and strive to provide customers with high value-added and professional products, while offering customers with solutions that meet their actual needs.
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