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  • Frame Chromoly 4130 Bicycle Frame Tubing 4130 4130 Chromoly Steel Bike Aisi 4130 Chromoly Tube 38mm 4130
  • Frame Chromoly 4130 Bicycle Frame Tubing 4130 4130 Chromoly Steel Bike Aisi 4130 Chromoly Tube 38mm 4130
  • Frame Chromoly 4130 Bicycle Frame Tubing 4130 4130 Chromoly Steel Bike Aisi 4130 Chromoly Tube 38mm 4130
  • Frame Chromoly 4130 Bicycle Frame Tubing 4130 4130 Chromoly Steel Bike Aisi 4130 Chromoly Tube 38mm 4130
  • Frame Chromoly 4130 Bicycle Frame Tubing 4130 4130 Chromoly Steel Bike Aisi 4130 Chromoly Tube 38mm 4130
  • Frame Chromoly 4130 Bicycle Frame Tubing 4130 4130 Chromoly Steel Bike Aisi 4130 Chromoly Tube 38mm 4130
Frame Chromoly 4130 Bicycle Frame Tubing 4130 4130 Chromoly Steel Bike Aisi 4130 Chromoly Tube 38mm 4130

Frame Chromoly 4130 Bicycle Frame Tubing 4130 4130 Chromoly Steel Bike Aisi 4130 Chromoly Tube 38mm 4130

  • 1 - 49 Tons
    $880
  • 50 - 99 Tons
    $850
  • >= 100 Tons
    $800

Customization:

Customized logo（Min.Order: 10 pieces）
Customized packaging（Min.Order: 10 pieces）
Graphic customization（Min.Order: 10 pieces）
View product details

Frame Chromoly 4130 Bicycle Frame Tubing 4130 4130 Chromoly Steel Bike Aisi 4130 Chromoly Tube 38mm 4130

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Performance Bicycle Frames: Engineered from AISI 4130 chromoly steel alloy, these tubes are designed for crafting durable, lightweight bicycle frames with superior strength-to-weight ratios.
  • Industrial Structural Applications: Suitable for gas pipes, boiler pipes, hydraulic systems, and structural supports due to corrosion-resistant coating and cold-rolled surface treatment.

Key features

  • 1. Material Technology

    • With 4130 Chromoly alloy and cold-rolled surface treatment, ensure superior strength-to-weight ratios and corrosion resistance compared to standard carbon steel tubes*.

  • 2. Performance Parameters

    • With customizable lengths and tight 1-5% tolerance, achieve precise fitments for specialized applications like high-performance bicycle frames or hydraulic systems*.

  • 3. Scenario Solutions

    • Designed for high-stress scenarios such as bicycle frames, industrial machinery, and structural supports, delivering durability under dynamic loads and environmental exposure.

  • 4. Certification Standards

    • Complies with international standards (AISI, GB, JIS), ensuring reliability and compatibility with global manufacturing and engineering norms.

  • 5. Interactive Design & Customization

    • With processing services like bending, cutting, and welding, tailor the tubing to unique project requirements, offering flexibility over pre-fabricated alternatives*.

Product details

Frame Chromoly 4130 Bicycle Frame Tubing 4130 4130 Chromoly Steel Bike Aisi 4130 Chromoly Tube 38mm 4130

The Frame Chromoly 4130 Bicycle Frame Tubing is a high-performance steel pipe engineered for durability and precision. Crafted from AISI 4130 chromoly steel, it combines strength and lightweight properties, making it ideal for bicycle frames, industrial machinery, and structural applications. The black finish with a blue stripe ensures corrosion resistance and easy visual identification, while customizable lengths and processing services (bending, cutting, welding) enable tailored solutions for diverse projects.

Technical specifications

FeatureSpecificationBenefit
MaterialAISI 4130 Chromoly Steel (alloy)High strength-to-weight ratio for demanding applications.
Grade4130, 4140, 42CrMo, 27SIMnEnsures compatibility with gas, hydraulic, and structural pipe standards.
Tolerance±1% (wall thickness), ±5% (overall dimensions)Precision engineering for seamless integration into complex systems.
Surface TreatmentCold-rolled finishSmooth, uniform surface for corrosion resistance and aesthetic appeal.
StandardsAISI, GB, JISMeets global industrial and safety compliance requirements.
ApplicationsBicycle frames, boilers, hydraulic systems, drill pipes, structural supportsVersatile use across automotive, construction, and industrial sectors.

Customization guide

Adjustable lengths and custom processing services (bending, threading, punching) allow precise tailoring to meet project-specific requirements.

Get inspired

With its corrosion-resistant AISI 4130 alloy and cold-rolled finish, this tubing is perfect for building lightweight yet robust bicycle frames. Its customizable wall thickness and precision tolerances also make it a top choice for high-pressure hydraulic systems or heavy-duty structural frameworks.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Tensile Strength750 MPa+15% (860 MPa)+30% (975 MPa)*
Wall Thickness1.5–2.0 mm2.5–3.0 mm3.5–4.0 mm (thick wall)
Compliance StandardsAISIAISI + GBAISI + GB + JIS
Tolerance (Wall)±5%±3%±1%

Supplier's note

  1. Technical Breakthroughs:

    • 4130 Chromoly Alloy: With 4130-grade steel, the tubing achieves a 30% higher tensile strength than standard carbon steel, enabling safe use in high-stress environments.
    • Cold-Rolled Surface: Reduces surface roughness by 20% compared to hot-rolled alternatives, enhancing corrosion resistance and weldability.
    • Precision Tolerances: The Pro Model’s ±1% wall thickness tolerance ensures seamless compatibility with precision machinery.

  2. Version Selection Guide:

    • Base Model: Ideal for standard applications like bicycle frames or low-pressure fluid systems where cost efficiency is prioritized.
    • Advanced Model: Suitable for industrial uses requiring thicker walls (e.g., drill pipes) and dual compliance (AISI + GB).
    • Pro Model: Designed for heavy-duty scenarios (e.g., hydraulic systems, structural supports) where extreme strength, multi-standard compliance, and precision are critical.

*Pro Model’s tensile strength exceeds industry benchmarks by 20%, ensuring longevity in corrosive or high-pressure environments.

Frequently asked questions

  • Which Chromoly 4130 tubing suits high-strength bicycle frames?

  • How to maintain 4130 Chromoly steel pipes for longevity?

  • Chromoly 4130 vs. Carbon Steel: Which is better for hydraulic systems?

  • Can 4130 Chromoly tubing be customized for structural pipe needs?

  • Is 4130 Chromoly tubing API-certified for oil/gas pipelines?

  • What makes 4130 Chromoly better for drill pipes than 4140 steel?

  • Does the blue stripe on Chromoly tubing indicate quality?

  • Can I order 4130 Chromoly tubing with threaded ends for fluid pipes?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionStructural supports, general constructionIndustry Standard: Carbon Steel (ASTM A36)
Our Base: AISI 4130 Chromoly Steel (ASTM A384) ▲
Our Advanced: 42CrMo (ASTM A350 LF3) ▲▲		Base offers 2x fatigue resistance over carbon steel; Advanced provides 15% higher strength for extreme loadsAdvanced version requires specialized welding (costlier)
Tensile StrengthHigh-stress applications (e.g., drill pipes)Industry: 400 MPa
Base: 860 MPa ▲
Advanced: 980 MPa ▲▲		Base meets industrial standards; Advanced exceeds for critical uses (e.g., hydraulic systems)Base may not suffice for ultra-heavy-duty scenarios
Corrosion ResistanceChemical/marine environmentsIndustry: Uncoated (ASTM A36)
Base: Cold-rolled surface (ASTM A384) ▲
Advanced: Galvanized (ASTM A153) ▲▲		Advanced prevents rust in harsh conditions (e.g., offshore pipelines)Advanced requires periodic re-coating in aggressive environments
WeightLightweight applications (e.g., bicycles)Industry: 8 kg/m
Base: 6.5 kg/m ▲
Advanced: 6.0 kg/m ▲▲		Base reduces material costs; Advanced lowers weight by 25% for efficiencyAdvanced may sacrifice minor rigidity compared to Base
Fatigue LifeRepeated stress (e.g., drill pipes)Industry: 500k cycles
Base: 1M cycles ▲
Advanced: 2M cycles ▲▲		Advanced ensures longevity in demanding uses (e.g., mining equipment)Base may degrade faster in ultra-high-frequency cycles
CustomizationCustom projects (e.g., fittings)Industry: Limited (cutting)
Base: Cutting + Bending ▲
Advanced: Full service (cutting, bending, threading) ▲▲		Advanced offers flexibility for complex designs (e.g., aerospace components)Base lacks threading capabilities for intricate joints

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