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Help CenterSteel Pipe & Tube & Alloy Pipe，ASTM A335、ASTM A213、ASTM A106、DIN 17175、GB/T 5310、GB/T 8163、ASTM A312、ASTM A358、EN 10217、GB/T 12771、GB/T 9711
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1. Product Overview: Alloy Pipe
Alloy Pipe is our core mainstream industrial pipe product for global export markets, selling well in dozens of countries and regions worldwide with a complete and standardized product system. According to production technology, our alloy pipe series are divided into two major categories: Alloy Seamless Steel Pipe and Alloy Welded Pipe. All Alloy Pipe products are manufactured and inspected in strict accordance with international standards including ISO, ASTM, EN and DIN, fully meeting the acceptance specifications of overseas engineering projects.
Our premium Alloy Pipe is produced through precise alloy proportioning and professional heat treatment processes, featuring excellent high-temperature resistance, high-pressure resistance, corrosion resistance, impact resistance, high strength and anti-fatigue performance. Every piece of Alloy Pipe boasts uniform material composition, high dimensional accuracy and smooth inner and outer walls. With far more stable performance than ordinary steel pipes, our Alloy Pipe is an indispensable core material for overseas petroleum energy, fine chemical, thermal power, heating engineering, high-end machinery manufacturing and infrastructure projects.
We provide customized production services for full-range Alloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe. We can manufacture pipes with exclusive materials, specifications, processes and precision based on customers’ drawings, technical parameters, industrial standards, national specifications and special working condition requirements, fully adapting to the construction and long-term usage demands of various overseas projects.
All finished Alloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe undergo multiple strict inspections including non-destructive testing, mechanical property testing and chemical composition analysis. We eliminate defective products completely and ensure that every batch of pipes purchased by overseas customers features stable, long-lasting and safe service performance.
2. Material, Model and Specification Size
2.1 Common Material Models (Full Coverage)
High-temperature and high-pressure alloy materials: Mainly applied for severe high-temperature and high-pressure working conditions, including 15CrMo, 12Cr1MoV, 35CrMo, 42CrMo, P11, P12, P22, P91, P92, 10Cr9Mo1VNb. The Alloy Pipe and Alloy Seamless Steel Pipe made of these materials own outstanding high-temperature resistance and creep resistance, widely used in power stations, boilers and high-temperature reaction equipment.
Low-temperature structural alloy materials: Suitable for normal temperature, low temperature and structural support scenarios, including 16Mn, Q345B, Q355B, 20#, 45#. Featuring strong toughness and stable compression resistance with high cost performance, these materials are the preferred choice for Alloy Pipe and Alloy Welded Pipe in conventional overseas infrastructure, mechanical structure and fluid transmission projects.
Stainless steel alloy materials: With superior corrosion resistance and oxidation resistance, including 304, 304L, 316, 316L, 321, 310S. The Alloy Pipe and Alloy Seamless Steel Pipe of this series can resist acid, alkali and humid marine climate, ideal for chemical engineering, seawater desalination and coastal projects.
High-end nickel-based alloy materials: High-grade special alloy pipes including Inconel 600/601/625, Incoloy 800/800H/825, Hastelloy C276. Such Alloy Pipe and Alloy Seamless Steel Pipe can withstand extreme high temperature, strong corrosion and high pressure, applicable for high-end overseas projects such as fine chemical industry, nuclear power, aviation supporting and deep-sea engineering.
2.2 Specifications of Alloy Seamless Steel Pipe
Alloy Seamless Steel Pipe has a complete range of outer diameter specifications, covering 6mm to 720mm. Custom ultra-large and ultra-small non-standard outer diameters are available to fully meet the demands of precision equipment and large-scale industrial pipeline projects.
Alloy Seamless Steel Pipe supports a wide wall thickness range from 1mm to 100mm, including thin-walled precision pipes, conventional wall pipes, thick-walled pressure-resistant pipes and extra-thick-walled high-pressure pipes, customized for different pressure resistance, wear resistance and high-temperature resistance requirements.
The standard fixed lengths of Alloy Seamless Steel Pipe are 4m, 6m and 12m, complying with international export standards. Custom arbitrary length, precision cutting and extended length processing are supported to reduce construction loss for customers.
Alloy Seamless Steel Pipe is manufactured in strict accordance with international authoritative standards such as ASTM A335, ASTM A213, ASTM A106, DIN 17175, GB/T 5310 and GB/T 8163, ensuring full compliance with international acceptance standards and smooth overseas project inspection.
All Alloy Seamless Steel Pipe adopts integrated hot rolling, cold drawing and precision rolling seamless forming technology without any welding seams. The pipe features uniform overall structure and consistent strength without stress concentration, making it the safest and most reliableAlloy Pipe for high-pressure and high-risk working conditions.
2.3 Specifications of Alloy Welded Pipe
Alloy Welded Pipe covers outer diameters from 21.3mm to 2540mm, capable of mass production of large-diameter and extra-large non-standard pipes. It perfectly solves the procurement difficulties of large-diameter pipes for large-scale pipeline projects and serves as the preferred Alloy Pipe for large-caliber fluid transmission projects.
The wall thickness range of Alloy Welded Pipe is 1.5mm to 50mm. We can precisely match the corresponding wall thickness according to the project pressure level, service environment and service life requirements, balancing safety and economic efficiency.
The conventional factory length of Alloy Welded Pipe is 6m and 12m, adapting to international sea and land container loading standards. Custom arbitrary length and segmented cutting processing are available to fit various construction scenarios.
Alloy Welded Pipe complies with international export standards including ASTM A312, ASTM A358, EN 10217, GB/T 12771 and GB/T 9711. Adopting automatic high-frequency welding and submerged arc welding technology with online weld non-destructive testing, its weld strength is consistent with the base material with excellent tightness and stability.
All Alloy Welded Pipe undergoes flattening, deburring, derusting and anti-corrosion pretreatment with smooth and flat pipe ends for convenient butt installation and high construction efficiency. It is the most cost-effective Alloy Pipe for medium and low-pressure industrial transmission and steel structure engineering.
3. Main Application Scenarios
General Application of Alloy Pipe: Full-range Alloy Pipe is suitable for global industrial and infrastructure projects, widely applied in onshore and offshore petroleum engineering, fine chemical park complete equipment, thermal power plants, biomass power plants, heating pipe networks, shipbuilding and marine engineering, municipal water supply and drainage pipe renovation, large mechanical equipment structural supports, hydraulic transmission systems, industrial fluid conveying systems, mining pipeline systems and port supporting projects with strong universality.
High-end Harsh Scenarios for Alloy Seamless Steel Pipe: Featuring seamless structure, high strength, high pressure and high-temperature resistance, Alloy Seamless Steel Pipe is dedicated to high-risk, high-pressure, high-temperature and strong-corrosion working conditions. It is widely used in overseas high-pressure boiler superheater and reheater pipelines, power station high-pressure water and gas transmission pipelines, petroleum cracking equipment, hydrogenation reaction devices, high-pressure oil and gas transmission main pipelines, pressure vessel supporting pipelines, nuclear power auxiliary pipelines, high-temperature hydraulic pipelines and precision instrument high-pressure pipelines, acting as the core material for high-end overseas engineering.
General Engineering Scenarios for Alloy Welded Pipe: Focusing on medium and low-pressure transmission and structural support with stable performance and high cost performance, Alloy Welded Pipe is extensively used in overseas chemical normal-temperature fluid transmission, industrial water supply and drainage engineering, large steel structure support construction, municipal pipeline anti-corrosion engineering, port mechanical equipment pipelines, mine ventilation and water delivery pipelines, conventional heating pipe networks, factory supporting pipeline systems and new energy infrastructure projects, meeting most conventional overseas infrastructure demands.
All Alloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe can adapt to the climatic conditions, working conditions and standard requirements of Southeast Asian humid climate, Middle Eastern high-temperature arid environment, African harsh outdoor conditions, European high-precision engineering and American standardized infrastructure, serving more than 100 countries and regions worldwide.
4. Delivery Cycle
Stock Products: We maintain thousands of tons of inventory for conventional standard Alloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe covering mainstream materials and specifications. Stock products can be delivered within 3–7 working days, supporting rapid inspection, packaging, booking and customs clearance to meet customers’ urgent replenishment and short-term project demands.
Custom Products: For non-standard sizes, special materials and large-batch customized Alloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe, the production cycle is 15–30 working days, adjusted according to order quantity, process difficulty and material scarcity. We synchronize production, inspection and delivery progress in real time for full process transparency.
Urgent Order Service: We provide priority production channels for urgent overseas projects with tight schedules, realizing priority production, inspection, packaging and delivery to shorten the delivery cycle and guarantee customers’ project progress.
Long-term Cooperative Orders: We reserve exclusive inventory and lock production schedules for long-term stable purchasers of Alloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe, ensuring on-time, quantitative and high-quality delivery.
5. Export Packaging Standard
Basic Protection Treatment: All Alloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe are coated with high-quality anti-rust oil before delivery to isolate air and moisture and prevent oxidation and rust during long-distance sea transportation. Both ends of all pipes are equipped with thickened plastic caps and dust plugs to avoid pipe orifice deformation, dust entry and collision damage, protecting pipe end precision.
Classified Packaging Protection: Small-diameter and thin-walled Alloy Pipe andAlloy Seamless Steel Pipe are evenly bundled with high-strength steel strips with standardized bundle weight and fully wrapped with multi-layer waterproof and moisture-proof stretch film to avoid friction and moisture damage during sea transportation. Large-diameter and heavy-duty thick-walled Alloy Pipe and Alloy Welded Pipe are equipped with thickened corner protectors, customized iron frames or solid wood pallets to prevent tilting, collision and deformation.
Custom Export Packaging: We provide fumigated wooden boxes, non-fumigated pallets, waterproof wooden boxes and fully enclosed packaging according to the customs inspection requirements of different countries, fully complying with global import standards and ensuring intact arrival of Alloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe.
Standard Export Shipping Marks: All batches, bundles and boxes of Alloy Pipe, Alloy Seamless Steel Pipe andAlloy Welded Pipe are pasted with high-definition wear-resistant export shipping marks, clearly marking specifications, material models, batch numbers, gross/net weight, destination, contract number and order number, facilitating customs clearance, inspection, warehousing and project acceptance.
6. Export Mode and Logistics Solution
Diversified Transportation Modes: We support full-series international logistics solutions, including FCL full container sea freight, LCL less than container sea freight, international air freight, China-Europe railway transportation, cross-border land transportation and multimodal transportation. We can match the optimal logistics scheme according to order volume, delivery time and destination, adapting to global major ports and inland destinations.
Flexible Customs Clearance Modes: We support general trade export, document agency export, cross-border e-commerce customs declaration and market procurement trade export. Customized customs clearance schemes are available to ensure smooth customs clearance of Alloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe.
Multi-port Delivery Support: We deliver goods from major Chinese ports including Qingdao, Tianjin, Shanghai, Ningbo, Guangzhou, Lianyungang and Xiamen with stable shipping schedules and efficient booking services, undertaking global pipe export orders.
Full-volume Supply Capacity: We stably supply high-quality Alloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe for small-batch sample orders, trial orders, large-batch FCL orders and annual bulk procurement orders, with strong mass delivery capacity for large overseas engineering projects and long-term strategic cooperation support.
7. International Trade Terms & Cooperation Terms
Universal International Trade Terms: We support all mainstream international trade terms, including EXW, FOB, CIF, CFR, DDP and DDU. We sign contracts and complete delivery in accordance with customers’ familiar trade modes with transparent and compliant trade procedures.
Multiple Secure Payment Methods: Adapting to global trade rules, we support T/T telegraphic transfer, irrevocable L/C letter of credit, Western Union, cross-border corporate transfer and PayPal small-sum payment, ensuring safe and standardized transactions and reducing overseas trade risks.
Complete Quality Warranty Terms: All factory-suppliedAlloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe enjoy official after-sales warranty service. We provide free after-sales docking, replacement and technical support for non-artificial quality problems within the warranty period to fully protect customers’ procurement rights and interests.
Complete Export Documents: We provide full sets of free customs clearance and acceptance documents, including official material certification, factory full inspection reports, non-destructive testing reports, hydraulic test reports, customs declaration documents, packing lists, commercial invoices and ocean bills of lading, supporting fast customs clearance and smooth project acceptance.
Flexible Customized Cooperation: We support OEM and ODM export customization. We can produce non-standard and special Alloy Pipe, Alloy Seamless Steel Pipe and Alloy Welded Pipe strictly according to overseas standards, engineering drawings, brand packaging requirements and parameter specifications to meet high-end customized export demands.
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