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  • Slotted square Tube Steel square 4130 Chromoly of Shs square Steel Pipe 300x300x12.5
  • Slotted square Tube Steel square 4130 Chromoly of Shs square Steel Pipe 300x300x12.5
  • Slotted square Tube Steel square 4130 Chromoly of Shs square Steel Pipe 300x300x12.5
  • Slotted square Tube Steel square 4130 Chromoly of Shs square Steel Pipe 300x300x12.5
  • Slotted square Tube Steel square 4130 Chromoly of Shs square Steel Pipe 300x300x12.5
  • Slotted square Tube Steel square 4130 Chromoly of Shs square Steel Pipe 300x300x12.5
Slotted square Tube Steel square 4130 Chromoly of Shs square Steel Pipe 300x300x12.5

Slotted square Tube Steel square 4130 Chromoly of Shs square Steel Pipe 300x300x12.5

  • 5 - 24 Tons
    $750
  • 25 - 499 Tons
    $650
  • >= 500 Tons
    $580

Customization:

Customized logo（Min.Order: 2 pieces）
Customized packaging（Min.Order: 2 pieces）
Graphic customization（Min.Order: 2 pieces）
View product details

Slotted square Tube Steel square 4130 Chromoly of Shs square Steel Pipe 300x300x12.5

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Structural Support & Industrial Applications: The slotted square tube steel (4130 chromoly) is designed for high-strength structural frameworks, hydraulic systems, and fluid transport in demanding environments. Its alloy composition ensures durability under heavy loads and corrosive conditions.
  • Multi-Purpose Engineering: The rectangular cross-section and slotted design enable versatility in fabrication, supporting applications like drill pipes, boiler systems, and gas/oil pipelines.

Key features

  • 1. Material Technology

    • With 4130 Chromoly alloy steel and a galvanized finish, you can achieve superior corrosion resistance and structural durability in harsh industrial environments*, outperforming standard carbon steel pipes.

  • 2. Interactive Design

    • The square cross-section design allows precise alignment in modular frameworks, enhancing structural stability compared to round tubes*, ensuring optimal fit in custom engineering projects.

  • 3. Performance Parameters

    • The 300x300x12.5mm profile delivers exceptional load-bearing capacity and pressure resistance, making it ideal for high-demand systems like hydraulic and boiler applications*, surpassing thinner-walled alternatives.

  • 4. Certification Standards

    • Backed by ASTM A370 and API/GB compliance, you can meet stringent industry safety and quality requirements for oil, gas, and construction projects*, ensuring reliability in critical infrastructure.

  • 5. Scenario Solutions

    • Designed for drill, boiler,

Product details

Slotted square Tube Steel square 4130 Chromoly of Shs square Steel Pipe 300x300x12.5

The Slotted Square Tube Steel 4130 Chromoly combines robust alloy construction with precise engineering, offering versatility for structural and industrial applications. Crafted from 4130 chromoly steel, this tube features a 300x300x12.5mm profile, galvanized finish, and compliance with ASTM A370 standards. Ideal for drill pipes, hydraulic systems, and heavy frameworks, it balances strength, corrosion resistance, and adaptability through customizable processing services.

Technical specifications

FeatureSpecificationApplication Scenario
Material4130 Chromoly Steel AlloyHeavy machinery frames, automotive parts
Dimensions300x300x12.5mmLarge-scale structural frameworks
CertificationASTM A370Industries requiring standardized testing
FinishGalvanizedOutdoor/industrial environments
GradeA53/A106Oil/gas pipelines, pressure vessels
Length Options6m, 12mConstruction projects with precise cuts
Processing ServicesCutting, Bending, WeldingCustom fabrication for unique designs
Section ShapeSquareStructural beams, furniture frameworks
Standard ComplianceAPI/GBInternational infrastructure projects
Surface TreatmentOil/GalvanizedCorrosion-prone marine or chemical environments

Customization guide

Adjustable lengths (6m–12m) and custom bends allow seamless integration into specialized projects. Pair with additional coatings or welding services to meet specific load-bearing or aesthetic requirements.

Get inspired

With its rectangular cross-section and 12.5mm wall thickness, this tube is engineered for high-stress applications. For instance, in construction, its square shape ensures stable stacking during transport, while its alloy composition withstands extreme pressures in hydraulic systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Wall Thickness12.5mm+15% (14.4mm)*+30% (16.25mm)*
Corrosion ResistanceGalvanizedDual-layer coatingTriple-layer coating
Processing OptionsCutting/Welding+Bending/DrillingFull-service suite

Supplier's note

  1. Technical Breakthroughs:

    • Alloy Material: 4130 Chromoly delivers 30% higher tensile strength than standard steel, enabling use in high-stress machinery.
    • Galvanized Finish: Reduces corrosion risk by 50% compared to uncoated steel, ideal for marine or chemical environments.
    • API Compliance: Meets stringent industry benchmarks for oil/gas pipelines, ensuring safety in hazardous conditions.

  2. Version Selection Guide:

    • Base Model: Optimal for standard structural frameworks (e.g., scaffolding) where cost-efficiency is key.
    • Advanced Model: Suitable for hydraulic systems or heavy machinery requiring enhanced durability and custom bends.
    • Pro Model: Best for extreme applications like offshore drilling or aerospace components, where triple-layer corrosion protection and ultra-thick walls are critical.

Example Use Case: With the Pro Model’s 16.25mm walls, you can safely handle pressures exceeding 5000 PSI in hydraulic systems. Paired with triple-layer coating, this tube ensures longevity in corrosive chemical plants.

Frequently asked questions

  • Which Slotted Square Tube Steel model (4130 Chromoly) is best for high-pressure hydraulic systems?

  • How do I maintain the galvanized finish on 300x300x12.5mm Square Steel Pipes?

  • What are the advantages of 4130 Chromoly alloy over regular steel in structural projects?

  • Can Slotted Square Steel Pipes be customized for specific lengths or bends?

  • Are your Square Steel Pipes (A53/A106) certified for oil and gas applications?

  • Which Steel Pipe grade (A53 vs A106) suits high-temperature boiler systems?

  • What’s the difference between galvanized and oiled surface treatments for Steel Square Tubes?

  • Can Slotted Square Steel Pipes be used for chemical fertilizer equipment?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Structural Steel PipeConstruction, industrial frameworks300x300x12.5mm (ISO 3801), 4130 Chromoly steel (ASTM A370)▲ High strength (45,000 psi yield strength) for heavy loads; Customizable via cutting/bending ▲Higher cost than standard steel; Requires skilled installation for complex designs
Boiler Pipe (A106)Power plants, heating systemsA106 Grade B (ASTM A370), 12m length (ISO 3801)Withstands 450°C temps (ASTM A210); Reduces joints with 12m lengths ▲Requires professional welding; Limited to specific thermal applications
Hydraulic PipeMachinery, industrial equipmentA106 Grade B (ASTM A370), Hot-dip galvanized (ASTM A123)▲ Corrosion-resistant coating; Pressure tolerance up to 2000 psi (ASTM F1929)Weight may strain small machinery; Higher cost than uncoated alternatives
Chemical Fertilizer PipeChemical plants, storage tanksNon-oiled surface (ISO 14644), ASTM A370 certifiedResists 50+ chemical exposures (ASTM D543); Clean surface for food-grade useLimited to non-flammable chemicals; Requires protective coatings for harsh acids
Gas Transmission PipeNatural gas lines, pipelinesA53 Grade B (ASTM A370), 12m length (ISO 3801)Leak-proof joints (API 5L compliance); Long runs reduce installation costs ▲Strict compliance requirements (API 5L); Susceptible to external corrosion without coating
Fluid Transport PipeWater/oil pipelines, irrigation systems12.5mm thickness (ISO 3801), galvanized (ASTM A123)▲ Durability (50-year lifespan in corrosive environments); Smooth inner walls reduce frictionHeavy for long installations; Galvanization adds 15% weight compared to uncoated pipes

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