Tensile Strength > 750 Mpa Chrome Piston Rod For Hydraulic Cylinder

Tensile Strength > 750 MPa Chrome Piston Rod for Hydraulic Cylinder | High-Performance Hydraulic Component

This high-strength, durable chrome piston rod is designed for use in heavy-duty hydraulic cylinders, ensuring superior performance and reliability. With a tensile strength exceeding 750 MPa, it can handle the most demanding applications while maintaining optimal operational efficiency and durability. Constructed from premium-grade materials, this component is built to withstand extreme stress and wear, making it an ideal choice for industries requiring high-performance hydraulic systems.

Detailed Product Description

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Product Description: High-Quality Chrome Plated Rods for Industrial Applications

Our chrome-plated rods are manufactured to the highest standards, offering exceptional performance and durability for a wide range of industrial applications. The rods undergo a meticulous production process to ensure precision and reliability, making them ideal for hydraulic systems, machinery components, and OEM suppliers in industries such as mining, manufacturing, and automotive.

Key Specifications:

Supply Condition
Available in ground and chrome-plated finishes, ensuring excellent surface quality and uniformity.
Chrome Thickness
A robust chrome coating between 20 to 30 microns provides superior corrosion resistance and wear protection.
Surface Roughness
Ra ≤ 0.2 microns and Rt ≤ 2 microns, ensuring smooth and precise surface conditions for optimal performance in mechanical applications.
Diameter Tolerances
Manufactured to ISO f7 tolerances on the diameter, ensuring tight specifications for superior fit and functionality.
Ovality
Half the tolerance of ISO f7, guaranteeing a near-perfect cylindrical shape for consistent operational performance.
Straightness
Achieved within a tolerance of ≤ 0.2mm/m, ensuring minimal deviation and smooth operation in critical machinery applications.
Surface Hardness
Vickers hardness of 850-1150 HV (100g), providing excellent durability and resistance to surface wear.
Cohesion
No cracks, breaks, or detachment after thermal shock (heated to 300°C and cooled in water), ensuring exceptional coating integrity under demanding conditions.
Corrosion Resistance
Tested in natural salt spray per ASTM B 117 for 120 hours. Results are evaluated according to ISO 4540 with ratings between 7 and 10, guaranteeing superior corrosion resistance for long-lasting reliability.
Porosity
Testing in accordance with ISO 1456/1458 and evaluation per ISO 4540, with ratings between 8 and 10, ensuring minimal surface defects and optimal performance.
Weldability
Excellent weldability, making these rods suitable for a variety of industrial manufacturing processes.
Packing
To prevent rusting during transportation and storage, each rod is coated with anti-rust oil and packed individually in a protective paper sleeve.
Certification
All required certificates related to material quality, heat treatment, and chrome plating are provided to ensure full compliance with industry standards.

Why Choose Our Chrome Plated Rods?
Our products are designed to meet the high standards of industries that require strength, precision, and long-lasting performance. Whether you’re in the mining, textile, or manufacturing sectors, our chrome-plated rods deliver outstanding value and reliability for your applications.

Contact Us for a Quote
Interested in our high-performance chrome-plated rods? Request a quote today and receive detailed information on pricing, availability, and lead times. We’re committed to meeting your specific requirements and providing the highest quality products for your business.

Benefit from Mutual Growth
We believe in building long-term partnerships with our clients, providing products that meet your needs while ensuring mutual growth and success. Let’s work together to advance your business—contact us now for more details and to place an inquiry.

Material	C%	Mn%	Si%	S%	P%	V%	Ni	Cr%	Mo	Cu
ck45	0.42-0.50	0.50-0.80	0.17-0.37	≤0.035	≤0.035		≤0.25	≤0.25		≤0.25
ST52	≤0.22	≤1.6	≤0.55	≤0.04	≤0.04	0.02-0.15
20MnV6	0.17-0.24	1.30-1.70	0.10-0.50	≤0.035	0.035	0.10-0.20	≤0.30	≤0.30		≤0.30
42CrMo	0.38-0.45	0.5-0.8	0.17-0.37	≤0.035	≤0.035	0.07-0.12	≤0.03	0.90-1.20	0.15-0.25	≤0.03
40Cr	0.37-0.45	0.50-0.80	0.17-0.37	≤0.035	≤0.035		≤0.3	0.80-1.1		≤0.03
MY4700	0.38-0.45	1.20 ~1.60	0.30~0.50	≤0.035	≤0.020	0.05～0.15	≤0.25	0.10～0.20	≤0.15	0.25
MY4520	0.40 ~0.48	0.80 ~1.40	0.15 ~0.35	≤0.035	≤0.035	≤0.15	≤0.25	≤0.25	≤0.15	≤0.25

	T.S / Rm(MPa)	Y.S / Rel(MPa)	A%
Material	T.S / Rm(MPa)	Y.S / Rel(MPa)	A%	CHARPY	CONDITION
ck45	610	355	16	>41J	Normalized
ck45	800	540	20	>41J	Q+T
ST52	500	355	22		Normalized
20MnV6	750	590	12	>40J	Normalized
42CrMo4	980	850	14	>47J	Q+T
40Cr	1000	800	10		Q+T

Material		MECHANICAL PROPERTIES					Surface hardness(HBW)
Material		Rm(MPa)	Rel(MPa)	A%	Z%	KU2(J)
MY4700	Φ35 – Φ100	900 – 1100	≥650	≥16	≥35	≥39	270-340
MY4700	＞Φ100 – Φ140	850 – 950	≥600	≥16	≥35	≥39	270-340
MY4520	Φ40 – Φ100	750 – 900	≥520	≥19	≥40	≥39	230-290
MY4520	＞Φ100～Φ140	750 – 900	≥520	≥17	≥35	≥39	230-290

Frequently Asked Questions

1. What makes the Tensile Strength > 750 MPa Chrome Piston Rod ideal for hydraulic cylinders?

Our piston rods are designed to withstand high pressure and stress, making them perfect for demanding hydraulic applications. With a tensile strength greater than 750 MPa, they offer superior durability and reliability.

2. What materials are used in these piston rods?

These piston rods are made from high-quality micro alloy steel or chromium steel, ensuring exceptional strength and resistance to wear and corrosion. The rods are chrome-plated to provide further protection against harsh environments.

3. What is the chrome plating thickness on these rods?

The chrome plating on our piston rods is between 20-30 microns thick. This plating not only enhances wear resistance but also improves corrosion resistance, extending the life of the piston rod in demanding applications.

4. What are the primary applications for these piston rods?

These piston rods are primarily used in hydraulic cylinders for heavy machinery, construction equipment, mining machinery, agricultural machines, and automotive hydraulic systems. They are designed to handle high pressure and heavy loads, making them suitable for a range of industrial applications.

5. How does the tensile strength impact performance?

The high tensile strength of 750 MPa and above ensures that the piston rods can endure the extreme forces typically found in hydraulic systems. This allows for longer service life, reduced risk of failure, and better overall performance in high-pressure operations.

6. How do you ensure quality control and precision?

Each piston rod undergoes stringent quality control measures. We test for surface roughness, tensile strength, straightness, and hardness. Our products are also checked for corrosion resistance and thermal shock resistance to ensure they meet the highest standards.

7. What is the surface finish of the piston rods?

The surface finish is Ra ≤ 0.2 microns, ensuring smooth operation and reduced friction. This makes our piston rods ideal for hydraulic systems that require minimal resistance to maximize performance and efficiency.

8. Can these piston rods withstand extreme operating conditions?

Yes, these piston rods are built to perform under extreme conditions. They are tested for thermal shock resistance, high tensile strength, and corrosion resistance to ensure they remain reliable in harsh environments, including high-temperature and high-pressure scenarios.

9. What is the straightness and tolerance of the piston rods?

Our piston rods have a straightness tolerance of ≤ 0.2 mm/m and are manufactured with ISO f7 tolerance for diameter, ensuring precise alignment and fit within hydraulic cylinders.

10. How is the corrosion resistance of the piston rods?

The piston rods are highly resistant to corrosion, having passed tests for salt spray resistance (according to ASTM B 117) for up to 120 hours, with ratings of 7-10 per ISO 4540, ensuring long-term durability in corrosive environments.

11. What packaging is used for the piston rods?

Each piston rod is coated with anti-rust oil to protect it during shipping. The rods are individually packed in paper sleeves, ensuring they remain in pristine condition upon arrival.

12. How long is the delivery time for bulk orders?

Typically, the delivery time is 30 days from order confirmation, depending on the quantity and any customizations required. We also have a production capacity of 30 tons per day, enabling us to handle large orders efficiently.

13. What payment methods do you accept for wholesale orders?

We accept T/T (Telegraphic Transfer) and L/C (Letter of Credit) for payment, offering flexibility depending on the order size and customer preferences.

14. How can I place an order for these piston rods?

To place an order, simply reach out to our sales team with your specifications, including quantity, desired lengths, and any customization requirements. We’ll provide a quote and guide you through the ordering process.