Home > Metallurgy, Mineral & Energy > Steel & Products > Steel Pipe & Tube > Steel Pipe & Tube,Q235B, Q355B, 20#, 45#, 16Mn, ASTM A53 Gr.B, ASTM A106 Gr.B, API 5L Gr.B, ST37, ST52

Steel Pipe & Tube,Q235B, Q355B, 20#, 45#, 16Mn, ASTM A53 Gr.B, ASTM A106 Gr.B, API 5L Gr.B, ST37, ST52

Steel Pipe & Tube,Q235B, Q355B, 20#, 45#, 16Mn, ASTM A53 Gr.B, ASTM A106 Gr.B, API 5L Gr.B, ST37, ST52 photo-1
Steel Pipe & Tube,Q235B, Q355B, 20#, 45#, 16Mn, ASTM A53 Gr.B, ASTM A106 Gr.B, API 5L Gr.B, ST37, ST52 photo-2
Steel Pipe & Tube,Q235B, Q355B, 20#, 45#, 16Mn, ASTM A53 Gr.B, ASTM A106 Gr.B, API 5L Gr.B, ST37, ST52 photo-3
Steel Pipe & Tube,Q235B, Q355B, 20#, 45#, 16Mn, ASTM A53 Gr.B, ASTM A106 Gr.B, API 5L Gr.B, ST37, ST52 photo-4
Steel Pipe & Tube,Q235B, Q355B, 20#, 45#, 16Mn, ASTM A53 Gr.B, ASTM A106 Gr.B, API 5L Gr.B, ST37, ST52 photo-5
Negotiable MOQ: 5 Metric Tons (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Business Type:
Manufacturer
Year Established:
2024
Factory Size:
3,000-5,000 square meters
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao Port,Shanghai Port,Tianjin Port
Delivery Detail:
7 days

1. Product Name

Steel Pipe, Carbon Steel Pipe, Seamless Steel Pipe, Welded Steel Pipe, Galvanized Steel Pipe, Precision Steel Pipe

2. Product Types

Seamless Steel Pipe, ERW Steel Pipe, LSAW Steel Pipe, SSAW Steel Pipe, Round Steel Pipe, Square Steel Pipe, Rectangular Steel Pipe, Hot Dipped Galvanized Steel Pipe, Precision Steel Pipe, Fluid Pipe, Boiler Pipe, Structural Steel Pipe

3. Production Process

For billet: Cutting, Heating, Piercing, Rolling, Cooling, Straightening, Cutting

For welded pipe: Uncoiling, Forming, Welding, Sizing, Straightening, Cutting, Surface Treatment, Inspection

4. Main Materials

Q235B, Q355B, 20#, 45#, 16Mn, ASTM A53 Gr.B, ASTM A106 Gr.B, API 5L Gr.B, ST37, ST52

5. Standard Specifications

Outer Diameter: 6mm – 2020mm

Wall Thickness: 1mm – 100mm

Length: 1m – 12m, customized length available

Square Pipe: 20×20mm – 600×600mm

Rectangular Pipe: 20×40mm – 600×800mm

Tolerance: Conforms to GB/T 8162, GB/T 8163, API 5L, ASTM A53, EN10210

6. Surface Treatment

Black Painted, Anti-Rust Oil Coated, Hot Dipped Galvanized, Shot Blasted, Varnish Coated

7. Execution Standards

GB/T 8162, GB/T 8163, GB/T 3091, API 5L, ASTM A53, ASTM A106, EN10210, JIS G3454

8. Product Features

High strength and good pressure resistance

Uniform wall thickness and smooth inner & outer surface

Excellent welding and processing performance

Good corrosion resistance (galvanized pipes)

High dimensional accuracy (precision pipes)

Stable mechanical properties and long service life

9. Main Applications

Fluid transportation: water, oil, gas, chemical medium

Construction: steel structure, scaffolding, pipe piles

Boiler and pressure vessel: high-pressure and medium-pressure pipelines

Machinery manufacturing: mechanical parts, shaft sleeves, hydraulic pipes

Petroleum and natural gas: oil well pipes, transmission pipelines

Automobile: chassis pipes, exhaust pipes

Decoration and furniture: guardrails, brackets, frames

10. Delivery Condition

Seamless, welded, galvanized, black painted, oiled

Standard export packing: bundled with steel strips, protected with caps

11. Lead Time

5-7 days

12. Certificates

Mill Test Certificate (MTC), SGS, BV, TUV, ISO 9001

13. Payment Terms

T/T, L/C, D/P, D/A, Western Union, MoneyGram

14. Loading Port

Tianjin, Qingdao, Shanghai


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Gold Verified Supplier
1Yr
Verified Business License
Business Type
Manufacturer
Year Established
2024
Factory Size
3,000-5,000 square meters
Total Employees
11 - 50 People