Hot Finished Seamless Carbon Steel Tube ASTM A53 Grade B Sch40 for General Purpose Plumbing, Mechanical and Structural Applications

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Product Description

Seamless Carbon Steel Tube
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Basic Information

Model NO.A106, A53, 20#, 45#, Q235B, Q355B, 20G, 40Cr, 35CrMo, 42CrMo
TypeSeamless
TechniqueHot Rolled
MaterialASTM/AISI/SGCC/CGCC/Tdc51dzm/Tdc52dts350gd/Ts550gd
Surface TreatmentBlack, Painted, Galvanized
UsagePipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food Industry, Machinery, Chemical, Mining, Construction
Section ShapeRound
StandardsASTM A106/A53; GB/T8163/8162; EN10210/10216
Size RangeOD: 10-1000mm | WT: 2-100mm
OriginChina
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Technical Specification

Specification Chart
International StandardsChina (GB), USA (ASTM), Japan (JIS), Germany (DIN), Russia (GOST)
Steel Grades10#, 20#, 45#, Q345B, Q355B, 40Cr, 42CrMo, Gr.B, STPG38, ST37, S355JR
End FinishPlain, Beveled, Threaded with Protectors
Delivery Time10-20 days depending on quantity
TestingHydrostatic, UT, Eddy Current Testing
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Qualification Certificate

Certification 1
Certification 2

Product Advantages

✅ HIGH-INTENSITY

Uniform thickness, smooth surface, and high strength. Maintains integrity under high pressure and temperature with excellent wear and impact resistance.

High Intensity

✅ CORROSION-RESISTANT

Highly resistant to environmental corrosion and pressure. Long service life reduces maintenance costs and the frequency of replacement.

Corrosion Resistant

✅ ADEQUATE INVENTORY

Wide range of specifications and sufficient stock levels ensure seamless support for engineering procurement and timely delivery.

Adequate Inventory

✅ AFTER-SALES SUPPORT

Comprehensive tracking of steel transportation and 24-hour rapid response to ensure a worry-free cooperation experience.

Support
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Industrial Application

Our steel pipes are widely used in liquid transportation (gas, water, oil), structural pipelines for greenhouses, mechanical parts, and construction projects. Advanced production lines and strict quality control ensure efficiency and durability across all sectors.
Application 1
Application 2

Frequently Asked Questions

How do you guarantee the product quality?
We have passed ISO9001, SGS, and CE certifications. We maintain pre-production samples and conduct final inspections before shipment, including third-party inspections.
About the product price?
Due to cyclical changes in raw material prices, quotes vary. Please provide your specifications (grade, size, quantity) and we will provide the best price within 24 hours.
Can I visit your factory?
We welcome customers from all over the world to visit our production facilities to verify our large-scale productivity and advanced equipment.
Can you provide samples?
Yes, we can send samples globally. Our samples are free, but customers are required to bear the express courier costs.
What is the standard delivery time?
Generally, our delivery time is between 15-45 days. Large-scale orders or special customized requirements may influence the final timeline.
What are the packaging methods for steel products?
Products are usually packed by bundling. For special requirements, we use moisture-proof and anti-rust materials like plastic films and anti-rust paper.
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