Wholesale Precision ASTM A106 A53 Gr. B A336  5L Large Diameter Thick Wall St35 Sch40 Sch80 Boiler Carbon Seamless Steel Tube Pipe

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Product Description

Basic Information

Technique:Cold Drawn
Material:Carbon Steel
Surface:Black Treatment
Section Shape:Round
Outer Diameter:20mm~1200mm
Wall Thickness:2mm~120mm
Length:6m / 12m or Customized
Processing:Bending, Welding, Cutting, Punching
Standard:ASTM A53, ASTM A106, API 5L
HS Code:7304319000

Product Description

Seamless Steel Tube Overview

Hot-rolled seamless steel pipe is a long strip of steel with a hollow section and no joints around it. It is widely used as a pipeline for transporting fluids, such as oil, natural gas, water, and various solid materials. Due to its hollow cross-section, it is an efficient and durable solution for high-pressure industrial applications.

Carbon Seamless Steel Pipe Detail

Technical Specifications

  • Outer Diameter: 21.3mm - 610mm (1/2" - 24")
  • Wall Thickness: 2.77mm - 50mm (SCH10 to SCH80, XS, etc.)
  • Available Materials: Grade A, B, X42, X52, S235, ST37, ST52, and more.
  • End Finishes: Plain end, Beveled, Threaded & Coupling, Grooved.
  • Surface Finish: Bare, Black Lacquer, Galvanized, 3PE, Epoxy Coating.

Product Specifications Data

INCH OD (mm) SCH40 WT (mm) SCH40 WT (kg/pc) SCH80 WT (mm) SCH80 WT (kg/pc) SCH160 WT (mm) SCH160 WT (kg/pc)
1/2"21.32.777.623.739.724.7811.7
3/4"26.72.8710.143.9113.25.5617.4
1"33.43.3815.004.5519.446.3525.44
2"60.33.9132.645.5444.888.7466.66
4"114.36.0296.428.56133.9213.49201.24
8"219.18.18255.312.70387.8423.01667.62

Wall Thickness Tolerance

Wall thickness (mm) Tolerance (mm)
WT ≤ 4.0+0.6mm / -0.5mm
4.0 < WT < 25.0+15% WT / -12.5% WT
WT ≥ 25.0+3.7mm / -3.0mm

Applications & Customization

Red Painted Fire Pipe Galvanized Steel Pipe Seamless Pipe Stock

Customized Process Options:

  • Specific Marking: Standard, Size, and Length.
  • Fire Sprinkler Pipes: Red painting and Epoxy coating (RAL 3000/3001).
  • Hot Dipped Galvanized: Zinc coating from 220g/m2 to 600g/m2.
  • Protective Packaging: Plastic caps, waterproof wrapping, or break bulk.

Frequently Asked Questions

1. Can I get some samples? Yes. We can provide samples. After you place a formal order, the sample fee can be refunded.
2. What are your terms of payment? For orders less than 1000 USD, 100% in advance. For orders over 1000 USD, 30% T/T in advance, with the balance due before shipment.
3. What is the typical delivery time? Generally, it takes 10 to 25 days after receiving your advance payment. The exact time depends on the specific items and order quantity.
4. Can you produce according to specific samples? Yes, we can produce based on your technical drawings or physical samples, including building custom molds and fixtures.
5. What delivery terms do you support? We support EXW, FOB, CFR, CIF, and DDU terms.
6. Is there a warranty for the products? Yes, we offer a quality warranty. If any defective parts are found, we provide replacements in the subsequent order.

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