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Help CenterDIN2391 High Precision Thin Wall Seamless Pipe Cost Effective For Power Hydraulic Control System
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Quality-Assured Metal Tubes & Pipes
HZH Metals is a trusted manufacturer and supplier of high-quality seamless steel tubes, alloy pipes, and precision metal components with over a decade of industry experience. Our products are engineered to meet the most demanding international standards, ensuring reliable performance in critical applications.
International Certifications
✅ ISO 9001:2015 Quality Management System Certification
✅ ASME Boiler & Pressure Vessel Code Section II Certification
✅ CE Marking for European Market
✅ Third-party inspection available (SGS, BV, TUV)
Rigorous Quality Control Process
Every product undergoes comprehensive testing at every stage of production:
Raw Material Inspection: Chemical composition analysis using Infrared Carbon/Sulfur Analyzer
In-process Inspection: Dimensional accuracy, surface finish, and mechanical property testing
Final Inspection: Hydrostatic pressure test, ultrasonic testing, and visual inspection
Documentation: Complete material test reports (MTR) provided with every shipment
Our Product Range
We specialize in:
Precision seamless pipes and tubes
Alloy steel pipes for high temperature and pressure service
Low temperature steel pipes for cryogenic applications
Structural hollow sections (circular, square, rectangular)
Aluminum, magnesium, and zinc alloy die castings
Custom machined parts
Advanced Production Facilities
Our factory is equipped with state-of-the-art production and testing equipment, including Ju Gang high-speed CNC machining centers, mirror spark machines, slow wire machines, and coordinate measuring machines. This allows us to maintain consistent quality and high production efficiency.
Packaging & Shipping
Packaging: Standard export packaging (steel bundles, wooden crates) with waterproof wrapping to prevent damage during transit. Custom packaging available upon request.
Shipping: FOB Tianjin/Shanghai, CIF, CFR, or DDP terms available. We work with all major shipping lines to ensure timely delivery worldwide.
Why Choose HZH Metals?
Strict adherence to international quality standards
Comprehensive testing and documentation
Competitive factory prices
Fast delivery (7-15 days for standard sizes)
24/7 technical support and customer service
Small order quantities accepted (MOQ: 1 Ton)
FAQ
Q: Do you provide material test reports?
A: Yes, we provide complete material test reports (MTR) with every shipment, including chemical composition and mechanical properties.
Q: Can you arrange third-party inspection?
A: Yes, we can arrange inspection by SGS, BV, TUV, or any other third-party agency at your request.
Q: What is your warranty policy?
A: We offer a 12-month warranty against manufacturing defects. If any quality issues are found, we will provide a full refund or replacement.
Contact us today for a free quote and let us be your reliable metal tube supplier!
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