Steel Round Bars: Types, Uses, and How to Source from China


Steel round bars are essential raw materials in construction, manufacturing, and engineering. Their versatility and durability make them a top choice for various industrial applications. This guide covers everything from types to sourcing strategies.


How to Find Reliable Steel Round Bars from China in 2025


China remains a leading supplier of steel round bars, offering competitive pricing and quality. To find reliable suppliers:

  • Check certifications like ISO 9001
  • Review customer feedback on platforms like Alibaba
  • Request material test reports
  • Verify production capacity

Top Chinese manufacturers often provide customized sizes from 5mm to 500mm diameter.


What Buyers Should Know Before Buying Steel Round Bars from China


Key considerations include:

  • MOQ requirements (typically 1-5 tons)
  • Lead times (15-45 days)
  • Shipping costs and Incoterms
  • Payment terms (30% deposit common)

Always request samples before large orders.


Types of Steel Round Bars


Common varieties include:

  • Carbon steel: Most economical option
  • Alloy steel: Enhanced strength
  • Stainless steel: Corrosion resistant
  • Tool steel: For high-wear applications

Functions and Features of Steel Round Bars


These cylindrical metal rods offer:

  • High tensile strength (400-1000 MPa)
  • Excellent machinability
  • Uniform diameter tolerance (±0.1mm)
  • Heat/cold resistance

Scenarios of Steel Round Bars


Primary applications:

  • Construction (rebar, structural components)
  • Automotive (axles, shafts)
  • Machinery (gears, bearings)
  • Oil/gas industry (drilling equipment)

How to Choose Steel Round Bars


Selection factors:

  1. Determine required grade (AISI 1018, 1045 etc.)
  2. Calculate needed diameter and length
  3. Consider surface finish (hot-rolled, cold-drawn)
  4. Evaluate corrosion resistance needs

Steel Round Bars Q & A


Q: What's the price range for steel round bars?
A: $500-$1500/ton depending on material and specifications.


Q: How to verify quality from Chinese suppliers?
A: Request third-party inspection reports like SGS or BV.


Q: What's the standard length?
A: Typically 3m, 6m, or 12m, but customizable.


Q: Can I get small quantity samples?
A: Most suppliers provide samples for $50-$200 plus shipping.


Q: What packaging options exist?
A: Bundles with steel straps, wooden crates, or customized packaging.