
Certified Steel Pipes Supplier
RAYOUNG is a leading China steel pipes supplier offering a comprehensive range of API 5L, ASTM A53, ASTM A106, EN10217, DIN1629, and GOST standard seamless steel pipes, ERW steel pipes, LSAW steel pipes, and SSAW steel pipes.
Our product range covers various material types, including carbon steel pipes, alloy steel pipes, and structural steel pipes. RAYOUNG’s high-quality steel pipes are certified by ISO 9001, CE, GOST-R, and approved by major energy companies including NIOC, ADNOC, and PETROBRAS.
Customised steel pipe solutions are also available to meet specific project requirements.
Table Of Contents For This Page
It is not easy to introduce all aspects of custom steel pipes, so we have prepared a lot of information on this page for you to delve into. To make sure you can find the information you want quickly, we have prepared this content directory that will jump to the corresponding location when you click on it.
General Applications For Steel Pipes
Steel pipes serve as the backbone of modern infrastructure, providing reliable transportation for fluids, gases, and structural support across various industries. With our extensive experience since 2006 in steel pipe export and strong partnerships with manufacturing facilities, we ensure consistent quality and reliable performance.
The result? Durable piping systems that maintain integrity under high pressure and extreme conditions, keeping your projects running smoothly for years to come.
Steel pipes are essential components in numerous industrial applications, particularly for large-scale infrastructure projects requiring durability and reliability.
Steel pipes are used in oil and gas transmission, water distribution systems, structural applications, mechanical systems, and industrial processing. These include petroleum refineries, chemical plants, power generation facilities, water treatment plants, construction projects, and mining operations.
The selection of steel pipes varies according to specific application requirements and environmental conditions.
‘Seamless Steel Pipes‘are ideal for high-pressure applications in oil and gas transmission.
‘ERW Steel Pipes‘provide cost-effective solutions for water distribution and structural purposes.
‘LSAW & SSAW Steel Pipes‘are designed for large-diameter pipeline projects requiring superior strength.
RAYOUNG steel pipes are engineered to withstand high pressures, extreme temperatures, and corrosive environments. They are recognized for their durability and reliability across diverse industrial applications.
For applications not listed here, please contact our technical team for customized solutions.
RAYOUNG Steel Pipe Product Range
Hebei RAYOUNG Pipeline Technology Co., Ltd. supplies comprehensive steel pipe products meeting international standards including API, ASTM, EN, DIN, and GOST.
| Product | Size (OD) | Wall Thickness (WT) | Standard |
|---|---|---|---|
| SEAMLESS STEEL PIPES | Hot finish: 2″–30″ | 1.25mm–50mm | API 5L, ASTM A53, ASTM A519, ASTM A106, ASTM A179, ASTM A335, ASTM A192, ASTM A333, BS3059, DIN1629, DIN17175 |
| Cold drawn: 1/4″–18″ | DIN2391, JIS G3452, JIS G3445, EN10305, EN10210 | ||
| ERW STEEL PIPES | 6mm–820mm | 1.65mm–22mm | API 5L, ASTM A53, EN10217, DIN2458, JIS G3589, JIS G3452, BS1387, AS1163 |
| LSAW STEEL PIPES | 406mm–1570mm | 8mm–40mm | API 5L, ASTM A53, EN10217, DIN2458, BS1387, IS:1978-1982, ASTM A252 |
| SSAW STEEL PIPES | 219mm–3120mm | 6mm–24mm | API 5L, ASTM A53, ASTM A252, EN10217, EN10219, IS:1978-1982, DIN2458 |
| Square/Rectangular Hollow Section | 20×20mm – 800×800mm | 0.5mm–20mm | ASTM A500, EN10210, EN10219, ASTM A53 |
| Casing and Tubing | 48.26mm–508mm | 3.68mm–22.22mm | API 5CT |
| Surface Treatment | (Not applicable) | (Not applicable) | Black varnished coating, Anti-rust oil, Bare, Galvanized, 3PE, 2PE |

API 5L Steel Pipes
- Full range of grades including GR.B, X42-X80
- Comprehensive size availability
- Third-party inspection acceptance
- Long-term performance warranty
Sizes from 1/2 inch to 48 inches available with various wall thickness schedules. Both seamless and welded options to meet different project requirements.

GOST Standard Steel Pipes
- Direct factory pricing
- GOST 10705, GOST 8732 compliance
- Competitive lead times
- Extended warranty coverage
RAYOUNG GOST standard steel pipes have been successfully supplied to Russia, Kazakhstan, Uzbekistan, and other CIS countries.

EN Standard Steel Pipes
- CE certified products
- EN10217, EN10219 compliance
- Technical support available
- Quality documentation provided
Complete technical documentation including material certificates, test reports, and inspection records.
Looking for Specific Steel Pipe Solutions?
Estimated Cost Analysis For Steel Pipes
Final pricing depends on product specifications, quantity, customization requirements, and delivery terms.
Take the example of booking a tall container of products:
Please note that the final cost depends on the customized service you require, the specifications of the raw materials used, the relevant national laws, and the distance of transportation.



Insurance, customs clearance, import duties, and local transportation.
$1,000Procurement Process & Timeline
The complete procurement process of RAYOUNG steel pipes typically follow this timeline:
Step 1: Quotation and Technical Discussion (3-7 days)
Our technical team responds within 2 hours and provides detailed quotations within 12 hours. We offer professional recommendations based on your application requirements.

Step 2: Sample Approval (5-10 days)
We provide samples for quality verification. Standard sizes are available from stock, while custom sizes require minimal lead time for sampling.

Step 3: Payment Processing (1-7 days)
International bank transfers typically require 1-7 business days. We accept various payment methods to facilitate smooth transactions.

Step 4: Production and Quality Assurance (15-25 days)
After payment confirmation, we coordinate with manufacturing partners for production, implementing strict quality control throughout the process.

Step 5: Logistics and Delivery (10-30 days)
We handle all shipping arrangements, documentation, and coordinate delivery to your specified location.

Need Compressed Delivery Timeline?
Contact us with your project specifics. The more detailed your requirements, the more accurate our timeline and quotation will be.
The Common Procurement Considerations
Based on our experience serving global clients, we’ve identified these key considerations for successful steel pipe procurement:
Pricing Validity
Steel prices fluctuate with market conditions. We recommend confirming orders within quotation validity periods and updating prices for projects delayed beyond 30 days.
Delivery Terms Understanding
FOB: Our responsibility ends when goods are loaded onto the vesselCIF: We arrange shipping and insurance to destination portDDP: We handle all costs including duties and delivery to your warehouse
Timeline Management
Production time refers to manufacturing duration. Total delivery time includes shipping, customs, and transportation. We provide realistic timelines based on current logistics conditions.
Additional professional advice is available upon request.
A Brief Self-Nomination, Why Choose RAYOUNG Steel Pipes?
With export experience since 2006 and strong manufacturing partnerships established since 1983, RAYOUNG has grown into a trusted steel pipe supplier with annual sales exceeding $17 million. Our network produces over 3000 tons of steel products annually, ensuring reliable supply capacity.
Our Competitive Advantages:
- Professional steel pipe export experience since 2006
- Strong relationships with quality-focused manufacturing partners
- ISO 9001, CE, and GOST-R certifications
- Approved by NIOC, ADNOC, PETROBRAS
- Serving 100+ satisfied clients worldwide including major stockists and engineering contractors
- Competitive pricing with direct manufacturing access
- Technical support and quality documentation provided
- Responsive service with 2-hour response commitment
Frequently Asked Questions
Please note that the final cost depends on the customized service you require, the specifications of the raw materials used, the relevant national laws, and the distance of transportation. Take the example of booking a tall container of products:
What steel pipe standards do you supply?
We supply API 5L, ASTM A53/A106/A252, EN10217/10219, DIN1629/17175, GOST 10705/8732, and other international standards.
Do you provide quality certifications?
Yes, we provide complete quality documentation including mill test certificates, third-party inspection reports, and material certifications.
What is your production capacity?
We supply 35-40 containers monthly through our manufacturing network, with annual supply capacity exceeding 10,000 tons.
Can you accommodate custom specifications?
We specialize in customized solutions including special sizes, wall thicknesses, material grades, and surface treatments.
What payment terms do you offer?
Standard terms: 30% deposit, 70% before shipment. We also accept L/C and other flexible payment arrangements.
Do you have distribution partners in other countries?
We have established distribution networks in Russia, UAE, Thailand, Nigeria, South Africa, and other markets.
What is your warranty policy?
Standard warranty period is 12 months, with extended warranties available for specific applications and products.
Can you arrange third-party inspection?
We welcome and facilitate third-party inspections including SGS, BV, Lloyd's, and other authorized inspection agencies.
