Hebei Huayang Steel Pipe Co., Ltd is one of the most experienced manufacturers and suppliers of hfw alloy structural pipe 76-660mm large mechanical equipment support tube in China. Welcome to buy discount hfw alloy structural pipe 76-660mm large mechanical equipment support tube made in China here from our factory. Quality products and low price are available.
Product introduction
Product Overview
Product Name: HFW Alloy Structural Steel Pipe / Mechanical Equipment Support Tube Specifications Range: 76mm – 660mm Outer Diameter Supply Mode: Factory direct spot supply, no middleman, bulk wholesale & customized processing supported
This HFW alloy structural pipe is a high-precision high-frequency welded structural tube, specially optimized for large mechanical equipment load-bearing and support scenarios. Adopting advanced high-frequency welding technology and alloy steel raw materials, the pipe features uniform wall thickness, high structural strength, excellent toughness and stable mechanical properties. The weld seam is compact and flawless with small heat-affected zone, effectively avoiding structural deformation and fracture under heavy load, long-term vibration and complex working conditions. It is the preferred structural support material for engineering machinery, large industrial equipment and mechanical frame manufacturing.
Main Production Process
Alloy steel coil raw material inspection (mechanical property & chemical composition testing)
Precision slitting according to structural pipe dimensional standards
Continuous cold roll forming with high dimensional accuracy
High-frequency fusion welding (HFW) for integral tube forming
Internal and external weld bead leveling & polishing treatment
Online non-destructive flaw detection for weld seam & pipe body
Precision sizing, straightening and shaping
Fixed-length cutting according to equipment support requirements
Hydrostatic pressure & mechanical load performance test
Final dimension inspection, surface treatment and standardized packaging
Execution Standards & Material Grades
Applicable Standards: ASTM A500, ASTM A252, EN 10219, GB/T 1591, GB/T 3091 Alloy & Structural Steel Grades: Q355B, Q420B, 16Mn, 45# steel, A572 Gr50, S355JR and customized high-strength alloy grades
Application Scenarios
Large Mechanical Equipment Support: Base support legs, frame load-bearing tubes and fixed support structures for excavators, cranes, loaders and engineering machinery
Industrial Equipment Frame: Support frameworks, chassis structural tubes and load-bearing connecting pipes for large automated production equipment
Engineering Structural Support: Mechanical piling support, equipment foundation stabilizing tubes and heavy-duty structural brackets
Machinery Manufacturing: Auxiliary support parts, mechanical arm connecting tubes and heavy-load transmission structural components
Heavy Industry Facilities: Support structures for port machinery, mining equipment and metallurgical mechanical equipment
Custom Mechanical Structures: Non-standard customized support tubes for various large mechanical load-bearing scenarios
Product Advantages
✅ High Load-Bearing Performance: Alloy steel material with upgraded tensile strength and yield strength, resistant to heavy pressure, vibration and impact, no structural deformation ✅ Precision Structural Dimension: Strict dimensional tolerance control, uniform wall thickness and good straightness, perfect fit for mechanical assembly ✅ Superior Weld Quality: Integrated high-frequency welding, smooth weld seam, no crack or gap, stable overall structural performance ✅ Factory Direct Spot: Complete 76-660mm specification inventory, no middleman premium, fast delivery for bulk orders ✅ Custom Processing: Support fixed-length cutting, end facing, drilling, anti-rust treatment and customized structural processing ✅ Strict Quality Inspection: Full mechanical performance testing and NDT flaw detection, qualified for heavy-duty mechanical working conditions
Product Parameter Reference
Outer Diameter Range: 76mm – 660mm (full size spot available)
Wall Thickness: 3.0mm – 20mm (customizable according to load-bearing demand)
Product Length: 6m/12m fixed length, random length or custom cut length
Surface Treatment: Black anti-rust oil, varnish painting, galvanizing, sandblasting optional
Pipe End Treatment: Plain end, bevel end, flat cutting, customized punching & grooving
Packing & Shipment
Adopt high-strength steel strip bundling + waterproof moisture-proof packaging, equipped with anti-collision protection for pipe ends to avoid deformation and damage during transportation. Support container and bulk cargo shipment, adapt to long-distance sea and land transportation, and can meet customer designated port loading requirements.
Contact Us
Please provide detailed requirements including outer diameter, wall thickness, material grade, length, order quantity and special processing needs. We provide professional structural pipe matching solution and 24-hour quick quotation. Factory on-site inspection and sample testing are warmly welcomed.
About us
Hebei Huayang Steel Pipe Co., Ltd. was founded in 2005, with a registered capital of 500 million yuan. The company covers an area of more than 1,000 mu, with annual sales of 10 billion yuan, more than 600 employees and an annual productivity of 2.75 million tons. The company has 17 new automatic steel pipe production lines and 14 high-frequency production lines, with a diameter of 73-660 mm; Three double-sided submerged arc welded steel pipe production lines with diameters of 406.4-1422.4mm;; 24 hot tube expanding production lines, with a diameter of 230-820mm; Two anticorrosion steel pipe production lines with a diameter of 73-1626 mm; 2 automatic painting production lines. With 3 branches and 5 offices, the products are sold to various cities and exported to more than 80 countries such as Southeast Asia, Middle East, Europe and America.
Packaging, transportation and delivery
Packaging, transportation and delivery
At Hebei Huayang Steel Pipe Co., Ltd., we apply standardized and reliable packaging solutions for all our steel pipe products. Our pipes can be securely packed by hexagonal bundling or circular bundling according to product diameter, wall thickness and customer requirements. Each pipe end is protected with high‑strength plastic pipe caps to avoid collision damage, dust and moisture during transportation and storage. The whole bundle is firmly wrapped with durable woven bags to enhance stability and prevent scratches or deformation.
We support a complete range of transportation methods to satisfy global customers, including road transportation, railway transportation, sea freight and container shipping. Based on our strategic location in Cangzhou, Hebei Province, we enjoy convenient access to major ports such as Tianjin Port, which greatly improves logistics efficiency and reduces transportation costs.
For standard specifications and normal order quantities, the general delivery time is about 30 days after order confirmation and deposit receipt. For large‑scale orders, special sizes or customized processing requirements, our production and sales team will formulate a detailed production plan and provide an accurate delivery schedule accordingly to ensure on‑time supply and stable performance for projects and clients worldwide.
Strict quality control
1. During and after the production, experienced quality inspectors randomly check the products to ensure that each steel pipe is qualified for production and application.
2. A nationally recognized laboratory with CNAS certification and certification by French Classification Society.
3. Have CNOOC access certificate, KOC oil company access network, ADNOC Abu Dhabi oil company access network, Petrobras access network, etc.
4. Accept the inspection by the third party designated/paid by the buyer, such as SGS and BV.
Certifications
API 2B
API 5L
GOST
ISO 9001
EN 10219
EN 10210
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