ERW Carbon Steel Pipe for Industrial Pipelines

• Invoicing

  By Actual Weight
  Oiled or Non-oiled

  Non-oiled
• Section Shape

  Round
  Surface Treatment

  Cold Rolled
• Tolerance

  ±1%
  Alloy Or Not

  Non-Alloy
• Application

  Fluid Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, Oil Pipe
  Certificate

  API , ISO 9001
• Delivery Time

  8 ~ 14 days
  Grade

  carbon steel
• Outer Diameter

  219 - 1066 mm
  Special Pipe

  API Pipe, Other, EMT Pipe, Thick Wall Pipe
• Standard

  ASTM
  Technique

  ERW

This industrial pipeline listing identifies round, non-alloy carbon steel pipe with ERW and cold-rolled references. Its title combines GOST 8732-78, 20# and EN wording, while the table says ASTM. The governing specification needs clarification before the product is selected against a project standard.

Resolve the standard and grade requirements

Ask the supplier to identify the exact numbered standard, edition and scope for the pipe offered. The listed GOST, EN and ASTM references do not establish simultaneous conformity or equivalent requirements. Obtain the intended meaning of 20# with the actual grade, chemistry, mechanical properties and supply condition records.

Confirm how ERW manufacture and cold processing relate to the selected production route, including the weld and inspection requirements. Do not infer a seamless route from a standard name. API and ISO 9001 table labels need actual documents and applicable scope before being treated as certification evidence.

Select one dimensioned pipe configuration

The order options pair a 6–20 mm thickness entry with either 6 m or 12 m length. Outer diameter is listed broadly as 219–1066 mm. Define the exact diameter, wall and length combination, and obtain confirmation that the chosen dimensions are available for the applicable specification.

Determine which dimension the ±1% tolerance covers and the measurement basis used for acceptance. Add straightness, ovality, bore or end requirements where the application calls for them. Broad catalogue ranges do not demonstrate that every combination is offered or interchangeable.

Confirm the intended pipeline, drill or EMT role

State the medium, pressure, temperature and mechanical loads, and identify any drilling, hydraulic or electrical installation requirements separately. The broad application labels do not qualify the pipe for every role. Agree testing, traceability, non-oiled preservation and storage, then reconfirm actual-weight invoicing and the 8–14-day delivery wording for the selected order.