High-Performance Seamless Pipe Caps Supplied to Russia
Haihao Group has successfully completed a new shipment of seamless pipe caps for a Russian customer, supporting their high-temperature and corrosion-resistant piping system. The supplied pipe caps are manufactured from 15Х5М alloy steel (Cr ≥ 4.5%), a material known for its excellent strength, superior heat resistance and reliable performance in demanding industrial environments.
This batch covers a full range of sizes from 32×8 К15 to 325×20 К100, with wall thicknesses from 8 mm to 20 mm and heights up to 100 mm. All pipe caps were produced using seamless forming technology to ensure integrity, dimensional accuracy and enhanced durability.

Seamless pipe caps manufactured from 15Х5М alloy steel for Russianclient—Haihao Group
Product Details Delivered
| Product | Size | Wall Thickness | Height (K) | Material |
|---|---|---|---|---|
| Seamless Pipe Cap | 32×8 K15 | 8 mm | 15 mm | 15Х5М (min Cr 4.5%) |
| Seamless Pipe Cap | 38×8 K20 | 8 mm | 20 mm | 15Х5М (min Cr 4.5%) |
| Seamless Pipe Cap | 45×8 K20 | 8 mm | 20 mm | 15Х5М (min Cr 4.5%) |
| Seamless Pipe Cap | 57×10 K30 | 10 mm | 30 mm | 15Х5М (min Cr 4.5%) |
| Seamless Pipe Cap | 325×20 K100 | 20 mm | 100 mm | 15Х5М (min Cr 4.5%) |
Why 15Х5М Alloy Steel Pipe Caps?
The selected 15Х5М alloy steel is widely used in pressure-bearing piping systems exposed to harsh and corrosive operating conditions. Its enhanced chromium content ensures:
- High corrosion resistance
- Excellent high-temperature stability
- Improved wear resistance
- Long-term structural reliability
These characteristics make it ideal for applications in petrochemical plants, power stations, refineries and oil & gas fields.
Haihao Group’s Seamless Pipe Cap Advantages
At Haihao Group, we ensure every seamless pipe cap meets stringent quality requirements:
- Fully seamless structure for excellent pressure resistance
- Precise dimensions manufactured to customer specifications
- Uniform wall thickness ensuring stable performance
- Advanced heat treatment to enhance mechanical strength
- Surface quality and defect-free forming
We maintain strict traceability and inspection standards throughout production, ensuring all products comply with international specifications and customer requirements.
This shipment once again demonstrates Haihao Group’s capability to manufacture and supply custom-engineered seamless pipe caps for international industrial projects. We remain committed to delivering reliable, high-performance pipe fittings that ensure long-term safety and efficiency in demanding applications.
If you need seamless pipe caps, alloy steel fittings, or custom-fabricated solutions, Haihao Group is ready to support your project needs.
