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  • Custom Carbon Steel Special-Shaped Pipes
  • Custom Carbon Steel Special-Shaped Pipes
  • Custom Carbon Steel Special-Shaped Pipes
  • Custom Carbon Steel Special-Shaped Pipes
  • Custom Carbon Steel Special-Shaped Pipes

Custom Carbon Steel Special-Shaped Pipes
We can design and manufacture large and irregular welded pipes to meet the pipe requirements of customers in special buildings such as chemical industry, military, and underground construction.
+86 17305413116
+86 17305413116
jack@xingyasteel.com
Contact Us

Product Parameters

Custom Carbon Steel Special-Shaped Pipes

Product Code: CS-SP-2024

1. Technical Specifications


ItemDetails
Base MaterialQ345R low-alloy steel (optional 316L cladding) Composition: C≤0.20%, Mn 1.00-1.60%
ManufacturingCNC cold bending + high-frequency annealing (grain size 7-8)
DimensionsOD: Φ89mm-Φ1620mm WT:6mm-50mm (±1.5% tolerance)
ConnectionFlange (ANSI B16.5 Class 300) / Butt weld bevel (35°±5°)
Temperature-196℃~+450℃ (up to +800℃ with ceramic lining)
CertificationsTSG Manufacturing License / ISO 15614 WPS / CE PED 2014/68/EU


2. Engineering Solutions

2.1 Complex Piping Systems

  • 3D multi-diameter pipe clusters (max diameter ratio 1:3)

  • S-type expansion loops (displacement compensation ±15mm/meter)

  • T-joints with built-in guide vanes (35% pressure drop reduction)

2.2 Enhanced Configurations

  • Abrasion-Resistant: Stellite 6 overlay (HRC58-62)

  • Corrosion-Resistant: PTFE liner (3mm±0.2mm) + cathodic protection interface

  • Insulated: Vacuum jacketed design (50mm interlayer, vacuum ≤5Pa)

3. Project References

3.1 Petrochemical

  • Sinopec-Zhanjiang Refinery: 32 sets S-shaped quench pipes (15CrMoG) for FCC unit

  • Parameters: 8.7MPa @605℃ / 120,000 service hours leak-free

3.2 New Energy

  • CATL Battery Materials Plant: 316L+graphene coated acid transfer pipes (PH=1.8)

  • Breakthrough: Achieved ultra-low corrosion rate 0.03mm/year

4. Service Network

  • Design Phase: Free stress analysis (CAESAR II simulation)

  • Production: Material traceability report per batch (heat no./HT curve)

  • Delivery: Optional third-party inspection (SGS/BV onsite supervision)

  • After-Sales: Emergency parts delivery within 48hrs (APAC/MIDEST/AMER hubs)

Downloads[???? EN Technical White Paper] [???? Cross-Section Drawings] [???? MTC Template]


Packaging and Transportation

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Instruments and Equipment

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FAQ

Q: How can I get a quote for my project?

A: You can contact me anytime, via WeChat, WhatsApp, Email, or phone. I will get back to you as soon as possible.
jack@xingyasteel.com
+86 17305413116
+86 17305413116

Q: How long can I get the price?

A: If possible, please provide project CAD drawings, pictures or specific requirements. We usually quote within 6 hours. If you want to get a quote as soon as possible, please let us know via WeChat, WhatsApp or email so that we can prioritize your inquiry.

Q: Can we visit your factory?

A: Of course, we welcome you to visit our factory or production line on site to understand our strength and quality. We will arrange a professional team to serve you. You just need to send your itinerary and leave the rest to us.

Q: Do you provide customized product services?

A: Of course, our professional R&D team can design and produce the products you need according to your specifications and drawings. For example: special size, special control, OEM, etc.

Q: Where is the loading port?

A: Normally, we ship from Tianjin Port, Qingdao Port and Shanghai Port. Of course, we can also accept the port you specify.

Q: How to package the product?

A: According to the characteristics of the product and the mode of transportation, fix it in the most appropriate and stable way to ensure that there will be no bumps, corrosion, scratches and other problems during transportation.

Q: What if I have no import experience?

A: We have extensive export experience. Tell us what you need and we will take care of the rest! We will help you choose the most appropriate shipping service to get your products to where they need to be safely and accurately.

Q: Can you provide on-site installation service?

A: We can provide installation guidance service according to customer requirements. Construction drawings, installation drawings and videos will be sent to customers to help on-site installation. If necessary, our engineers will go to the site to guide the installation.

Q: How long is the delivery time?

A: It depends on the order quantity. Generally, the delivery time is about 10-20 days.

Q: What is your payment terms?

A: Payment ≤1000USD, 100% in advance. Payment ≥1000USD, 40% T/T in advance, the balance to be paid before shipment.

Q: How can I place an order if my trial order does not reach your MOQ?

Q: How can I place an order if my trial order does not reach your MOQ?
A: If your trial order is a small order, we can also provide the goods, we can communicate anything.

Q: How do you control product quality?

A:
1. Design quality: Consider possible problems in advance and provide high-quality design solutions.
2. Raw material quality: Select qualified raw materials
3. Production quality: Precision manufacturing process, experienced workers, strict quality inspection.

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