Quick answer: Sino East Steel manufactures and exports ASTM A106 Grade B Seamless Steel Pipe (Seamless Steel Pipe) to Poland and the EU. Production follows ASTM A106, A106, Grade B and every delivery includes an EN 10204 3.1 mill test certificate. Typical order: 10-20 tons, with 15-25 days transit from Tianjin to Polish ports. Contact us with your specification for a quotation within 24 hours.
ASTM A106 Grade B Seamless Steel Pipe
High-temperature service: ASTM A106 Grade B is the standard specification for seamless carbon steel pipe for high-temperature service in refineries, power plants, boilers and process lines. With minimum yield strength of 240 MPa and tensile strength of 415 MPa, it is the most widely specified of the A106 grades and is suitable for bending, flanging and forming. Supplied in lengths up to 12 m with optional hydrostatic testing, NDT and certified EN 10204 3.1 mill certificates documenting chemistry and mechanical properties per heat.
ASTM A106 Grade B Seamless Steel Pipe — a factory-direct product from Sino East Steel, one of China’s certified steel manufacturers serving Polish importers, distributors and contractors since 2005. This product is supplied to ASTM A106, Grade B specifications, with EN 10204 3.1 mill test certificates, and is packed for sea freight to Gdansk, Gdynia, Szczecin and other Baltic and Northern European ports. Every order benefits from direct mill pricing, documented quality control and a professional export team that manages documentation, packing and shipping from one source.
This page provides the full technical picture of ASTM A106 Grade B Seamless Steel Pipe — available specifications, manufacturing background, typical applications, quality assurance, packaging and ordering process — so your procurement team can evaluate the product without chasing data across multiple suppliers. For an exact quotation matching your required sizes and quantities, contact our export office; a confirmed price and delivery schedule are normally provided within 24 hours.
Key Specifications at a Glance
| Parameter | Value |
|---|---|
| Standard | ASTM A106, A106, Grade B |
| Certification | EN 10204 3.1 MTC |
| Minimum Order Quantity (MOQ) | 10-20 tons |
| Lead Time | 15-25 days |
| Payment Terms | T/T, L/C |
| Export Packing | Seaworthy export packing |
Available Sizes & Range
| Item | Range | Notes |
|---|---|---|
| Hot-finished | 21.3 – 610 mm | WT 2.5 – 60 mm |
| Cold-drawn | 6 – 168 mm | WT 1 – 20 mm |
| Length | 5.8 – 12.2 m | random or fixed |
Standards, Grades & Equivalents
| Standard | Grade | Typical Use |
|---|---|---|
| ASTM A106 | A, B, C | Seamless carbon steel, high temperature |
| ASTM A53 | A, B | Seamless and welded, black or galvanized |
| API 5L | B – X70 | Seamless line pipe |
| EN 10216-1/2 | P235TR1 – P355GH | Pressure purposes |
| DIN 1629 | St37, St44, St52 | Mechanical and general service |
| GB/T 8163 / 8162 | 20#, 45#, Q345 | Fluid and structural use |
Typical Mechanical Properties by Grade
| Grade | Yield Strength | Tensile Strength | Typical Use |
|---|---|---|---|
| A106 Gr.B | 240 MPa | 415 MPa | High temperature |
| A106 Gr.C | 275 MPa | 485 MPa | Higher strength |
| P235GH | 235 MPa | 360-500 MPa | Boiler/heat ex. |
| 16Mo3 | 280 MPa | 450-600 MPa | Elevated temp. |
| St52 / E355 | 355 MPa | 490-630 MPa | Mechanical use |
Seamless Steel Pipe — No Weld, Maximum Strength
Seamless steel pipe is formed from a solid round billet, which is heated, pierced and rolled into a pipe without any longitudinal weld. Because there is no weld seam, the pipe offers uniform strength around the full circumference, making it the preferred choice for high-pressure, high-temperature and critical-duty applications. Sino East Steel supplies seamless pipe in carbon steel grades to ASTM A106, ASTM A53, API 5L, DIN 1629, EN 10216 and GB standards, with outside diameters from 21.3 mm to 610 mm and wall thicknesses up to 60 mm. The range covers both hot-finished and cold-drawn pipe, so engineers can select the dimensional tolerance class their application needs.
Manufacturing and Testing
Seamless pipe production begins with continuous casting of billets, which are reheated and pierced on a rotary piercing mill to form a hollow shell. The shell is then elongated and sized on mandrel or plug mills, and cold-drawn versions receive additional cold working and heat treatment for tighter dimensions and improved mechanical properties. Final quality checks include hydrostatic testing, ultrasonic inspection, eddy current testing and dimensional verification, with results reported on the mill certificate for full traceability from billet heat number to finished pipe.
Applications
Seamless pipe is specified wherever weld integrity cannot be risked: high-pressure steam and hot water boilers, power plants, refinery and petrochemical process lines, hydraulic cylinders, machine-building components and offshore structures. In Poland and the EU it is widely used by mechanical engineering companies, boiler makers, HVAC contractors and maintenance teams who need certified material with documented mechanical values for every heat.
Selecting the Correct Grade
For boiler and heat exchanger service choose ASTM A106 Grade B or C, or EN 10216-2 P235GH, P265GH and 16Mo3 for elevated temperatures. For general mechanical and structural duty, ASTM A53 Grade B and DIN 1629 St37 are economical standard choices. If the pipe will be used in hydraulic cylinders, cold-drawn honed or skived pipe (St52 / E355) with tight tolerances is the right specification — mention the intended machining process when you request a quote.
Product Advantages for Critical Service
For boiler makers, plant operators and mechanical engineering companies, seamless pipe is selected for one reason: there is no weld to fail under pressure. Our seamless production route delivers uniform microstructure around the circumference, and because we supply from the manufacturer, you receive the mill test certificate with the actual heat analysis — not a generic certificate. We can also arrange positive material identification (PMI) on request and supply cut lengths for machining. For Polish customers maintaining pressure equipment under PED and UDT (Urzad Dozoru Technicznego) requirements, having documented, testable material from a single lot simplifies both engineering sign-off and inspection authority review.
Quality Control & Certification
Every batch of material delivered from our Tianjin plant passes through a documented inspection routine: chemical composition analysis, tensile and yield testing, dimensional checks and, where applicable, hydrostatic or flattening tests. Each consignment ships with an EN 10204 3.1 mill test certificate (MTC) and batch traceability records, so your incoming inspection at Gdansk, Gdynia, Szczecin or any other EU port is straightforward. The factory operates under an ISO 9001:2015 quality management system and is independently audited by SGS and TUV Rheinland for production capacity and export reliability.
Inspection & Testing Before Shipment
Before any material leaves the plant it passes through a defined inspection gate. Dimensional checks are performed against the ordered specification, surface quality is inspected visually and with instruments where required, and the relevant mechanical and chemical tests are verified against the mill certificate. For pipe and tube products, hydrostatic and non-destructive testing results are reviewed against the standard’s acceptance criteria. Customers who request it can witness the inspection or receive photographs and video of the loaded goods before the vessel sails — a practical way to build confidence without travelling to China.
Export Documentation Included
Every order is shipped with a complete documentation set: commercial invoice, packing list, bill of lading, certificate of origin, and the EN 10204 3.1 mill test certificate with heat numbers and test results. Where your project requires third-party inspection, we can arrange SGS, TUV or Bureau Veritas inspection before loading, with the inspection report issued in English for easy clearance in the EU.
Why European Buyers Source This Product from Sino East Steel
Importing steel from China to Poland is a routine, well-understood process when you work with a manufacturer that has done it hundreds of times. Sino East Steel combines factory-direct pricing with export experience across the EU, so you avoid the margin stack of trading companies and the documentation delays that slow down first-time imports. Our export team prepares commercial invoices, packing lists, certificates of origin, and the EN 10204 3.1 mill certificates your quality department and customs broker expect. We also coordinate vessel booking from Tianjin/Xingang to Baltic ports, and for regular customers we can hold production slots so repeat orders keep your warehouse stocked without interruption.
Because we are the manufacturer, specification changes, coating requirements, packing instructions and delivery dates are agreed directly with the people who control the production line. This transparency is what distributors and contractors in Poland value most: one accountable partner, one set of documents, and material that matches the sample on every shipment.
Packaging & Delivery to Poland and the EU
Products are packed in seaworthy export condition: steel strapping, waterproof wrapping, and wooden or steel pallets where required, with clear marking for safe handling. For pipe and tube orders we use the standard export bundle format with plastic end caps on request. Sea freight to Polish and Baltic ports (Gdansk, Gdynia, Szczecin, Klaipeda) is arranged from Tianjin or Xingang port, with typical lead times of 15–25 days after production. FCL and LCL options are both available, and mixed-container consolidation is offered for regular customers who combine several product lines in one delivery.
Customization & Value-Added Services
Beyond standard supply, our finishing lines can prepare material for your exact production step: cutting to length, drilling, bevelling, threading, coating, marking and custom bundling per your drawings. Packaging can be adapted to your handling equipment — pallets, frames, slings or individual protective wrapping — and private labeling is available for distributors who resell under their own brand. For customers with regular monthly programs, we schedule production slots so that reorder quantities arrive on time, allowing you to run leaner stock without risking supply gaps on your own production line.
Technical Support & After-Sales Service
Our export engineers support you from specification to installation: confirming grade and size selections, advising on coatings and packing for your climate and handling equipment, and answering technical questions from your quality department. After delivery, we keep the batch records on file and can issue additional documentation, arrange replacement paperwork, or support you in the rare case of a claim. For Polish customers this means a single point of contact who knows your orders, your specifications and your delivery history — service that trading intermediaries rarely match.
Storage & Handling on Site
To protect the material between delivery and installation, store it off the ground on sleepers, keep it dry and allow air circulation between layers. Galvanized products should be separated from black steel to avoid zinc staining, and painted or polished surfaces should keep their protective wrapping until installation. When lifting, use fabric slings or spreader bars for long lengths to avoid damage. Our packing lists indicate bundle weights and lifting points, and our export team can advise on safe unloading at your warehouse or construction site.
How to Order & Request a Quotation
To receive a firm quotation, please send your required specification: grade and standard, dimensions, quantities (in tons or pieces), end use, and the destination port in Poland or the EU. Our export team replies within 24 hours with pricing, availability and a proposed shipping schedule. We work with T/T and L/C payment terms, and for established EU customers longer payment arrangements can be discussed on a project basis.
Request a quote: use the contact form, WhatsApp +86-186-2208-8833, or email [email protected].
Frequently Asked Questions
What is the difference between seamless and welded pipe?
Seamless pipe has no longitudinal weld and offers uniform strength around the circumference, which is why it is required for high-pressure and high-temperature service. Welded pipe is more economical for large diameters and non-critical duty. Many standards allow either route, and the choice depends on the design code and service conditions.
Can you supply seamless pipe with EN 10204 3.1 certificates?
Yes, every seamless pipe shipment is accompanied by an EN 10204 3.1 mill test certificate stating chemical composition and mechanical properties, plus the results of the hydrostatic and NDT tests.
What documents do you provide with each shipment?
Each shipment includes the EN 10204 3.1 mill test certificate, packing list, commercial invoice and bill of lading. Inspection reports and third-party certificates (SGS, TUV, Bureau Veritas) can be arranged before loading if your project requires them.
Can you supply to Polish and European standards?
Yes. We regularly export to EN and DIN specifications used across the EU, including EN 10219, EN 39, EN 10210, EN 10305 and DIN 2440, in addition to ASTM and API standards. Tell us the standard your project specifies and we will quote accordingly.
What are your MOQ and lead times?
MOQ depends on the product and size — typically from 1 to 10 tons for standard lines. Production and shipping to Polish ports normally takes 15–25 days from order confirmation.
Do you ship to Polish ports and handle customs paperwork?
Yes. We ship FOB Tianjin/Xingang, CIF or CFR to Gdansk, Gdynia, Szczecin and other Baltic ports, and we prepare the export documentation (commercial invoice, packing list, bill of lading, certificate of origin, mill certificates) needed for import clearance in Poland.
Can we arrange a pre-shipment inspection?
Yes. Third-party inspection by SGS, TUV, Bureau Veritas or your own representative can be arranged before loading, and the inspection report is provided before the vessel departs.
Do you offer samples before a full order?
For most products we can provide small samples or cut pieces so your quality department can verify the material. Sample cost is credited against the first order for regular customers.
About Sino East Steel — Sino East Steel is a factory-direct manufacturer and exporter of carbon steel, galvanized steel and structural steel products, operating from a 65,000 m² production base in Tianjin, China. Since 2005 the company has built a steady export record across Europe, the Middle East and the Americas, supplying distributors, contractors and engineering companies that require consistent quality, complete documentation and dependable delivery. For Polish buyers, this means a single certified source for pipes, coils, sheets, bars and structures, with every shipment supported by mill test certificates and traceable batch records.
