Chrome-plated bars and tubes are primarily used as piston rods, a critical component in hydraulic cylinders.Our Inside chrome plated pipes are made from a variety of high - quality materials, including CK45, ST52, 30MnV6, 42CrMo4, 40Cr, stainless steel, alloy steel, and special steel. These materials are sourced from some of the best and largest raw material manufacturers in China, ensuring the high quality and durability of the tubes.
Products Description
Product Name:Inside chrome plating of pipes
Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.
Chrome thickness: usually 15 to 20 microns.
Original: Jiangsu, China
Certification: ISO9001.
Material: SAE1020, 20#, ST45, CK45, ST52, E355
Payment term: TT, LC
Delivery date: usually 20 to 40 days.
Packing: packed in bundle, oiled inside, with caps on both ends.
Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: Depends on exact size and material.
Chemical Properties:
|
Material |
C% |
Mn% |
Si% |
S% |
P% |
||
|
20# |
0.17-0.23 |
0.17-0.37 |
≤0.035 |
≤0.035 |
|||
|
ST45 |
≤0.21 |
≥0.4 |
≤0.35 |
≤0.025 |
≤0.025 |
||
|
E255 |
≤0.21 |
0.4-1.1 |
≤0.35 |
≤0.025 |
≤0.025 |
||
|
45# |
0.42-0.50 |
0.50-0.80 |
0.
17-0.37 |
≤0.035 |
≤0.035 |
||
|
Q345B |
≤0.20 |
≤1.70 |
≤0.50 |
≤0.035 |
≤0.035 |
||
|
E355 |
≤0.22 |
≤1.6 |
≤0.55 |
≤0.025 |
≤0.025 |
||
|
ST52 |
≤0.22 |
≤1.6 |
≤0.55 |
≤0.04 |
≤0.04 |
||
|
25Mn |
0.22-0.29 |
0.70-1.0 |
0.17-0.37 |
≤0.035 |
≤0.035 |
||
|
27SiMn |
0.24-0.32 |
1.10-1.40 |
1.10-1.40 |
≤0.035 |
≤0.035 |
Quality control
1. We only buy raw material from famous tube factory, and Checking raw material quality before production.
2. We check the tube ID tolerance, OD tolerance and surface after cold drawn one by one.
3. We inspect the honed tube inside tolerance and surface again one by one after honing or skiving.
4. We measure the chrome thickness.
Product Specifications
Diameter and Length: The size range of the outside diameter is from 22 to 260mm, and the maximum length can reach 6 meters. This wide range of sizes can meet the diverse needs of different industries and applications.
Chrome Plating: The inside of the tubes is chrome plated with a supply condition of 0.2 - 0.4um. The outside diameter tolerances follow ISO f7 standards, ensuring precise dimensions for seamless integration into various systems.
Quality Assurance of Inside chrome plated pipe
Testing: The tubes are tested in natural salt spray according to ASTM B for 24 hours, and the results are evaluated according to ISO standards. This rigorous testing process ensures the corrosion resistance and overall quality of the tubes.
Surface Finish: The product details are completely in line with international standards. The chrome rod and honed tube must be cut flatly, and there are no chrome marks on the surface of the rod, which is a feature that sets our tubes apart from many domestic competitors.
Product Applications
Hydraulic Cylinders: The inside chrome plated tubes are ideal for hydraulic cylinders, where their corrosion resistance and precise dimensions ensure smooth operation and long - term reliability.
Industrial Machinery: They can be used in various industrial machinery applications, providing a durable and high - performance solution for fluid conveyance and mechanical movement.
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