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  • Low Price Hexagonal Inner Tueb 8 mm Jis Stpg Seamless Pipes Steel Tube
  • Low Price Hexagonal Inner Tueb 8 mm Jis Stpg Seamless Pipes Steel Tube
  • Low Price Hexagonal Inner Tueb 8 mm Jis Stpg Seamless Pipes Steel Tube
  • Low Price Hexagonal Inner Tueb 8 mm Jis Stpg Seamless Pipes Steel Tube
  • Low Price Hexagonal Inner Tueb 8 mm Jis Stpg Seamless Pipes Steel Tube
  • Low Price Hexagonal Inner Tueb 8 mm Jis Stpg Seamless Pipes Steel Tube
Low Price Hexagonal Inner Tueb 8 mm Jis Stpg Seamless Pipes Steel Tube

Low Price Hexagonal Inner Tueb 8 mm Jis Stpg Seamless Pipes Steel Tube

$620.00-$680.00/ Metric Ton|25 Metric Ton/Metric Tons(Min. Order)

Customization:

Customized logo（Min.Order: 25 pieces）
Customized packaging（Min.Order: 25 pieces）
Graphic customization（Min.Order: 25 pieces）
View product details

Low Price Hexagonal Inner Tueb 8 mm Jis Stpg Seamless Pipes Steel Tube

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Structural Support: Designed for load-bearing applications in construction and infrastructure using high-strength alloys (e.g., API N80, Q345) and seamless construction.
  • Pressure Resistance: Engineered to handle high-pressure systems in oil/gas pipelines, hydraulic frameworks, and industrial machinery due to its seamless ERW (Electric Resistance Welding) technique.

Key features

  • 1. Material Technology

    • With high-strength alloy steel (Q345/Q235), ensure structural integrity under heavy loads while resisting corrosion in harsh industrial environments.

  • 2. Certification Standards

    • With JIS and API certifications (STPG, P110, J55), meet strict industrial safety and performance standards for oil/gas pipelines and construction frameworks.

  • 3. Performance Parameters

    • With seamless construction (8mm diameter) and ERW technique, achieve superior pressure resistance and dimensional precision compared to welded alternatives*.

  • 4. Scenario Solutions

    • Designed for structural and API-compliant applications, providing stability in construction frameworks and high-pressure oil/gas pipelines.

  • 5. Surface Treatment

    • With hot/cold rolled finishes, enhance corrosion resistance and surface smoothness for seamless integration in industrial machinery or outdoor installations.

Product details

Low Price Hexagonal Inner Tueb 8 mm Jis Stpg Seamless Pipes Steel Tube

The Low Price Hexagonal Inner Tube 8 mm JIS STPG Seamless Pipes Steel Tube combines structural integrity and cost-effectiveness, designed for industrial applications requiring durability and compliance with global standards. Crafted from high-grade alloy steel (Q345/Q195/Q235), these seamless tubes feature ERW (Electric Resistance Welding) technology and dual surface treatments (hot/cold rolled), ensuring versatility across construction, oil/gas, and machinery sectors.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialAlloy steel (Q345, Q195, Q235)Structural supports, high-pressure pipelines
Size8 mm seamless tubePrecision engineering and compact systems
FinishHot-rolled or Cold-rolledCustom surface requirements (e.g., smoothness, corrosion resistance)
GradeAPI N80, 16Mo, A106 B/C, API P110, API J55, API L80, API K55Oil/gas pipelines, heavy machinery components
Standard ComplianceJIS STPG, API, ASTM, DIN, BSGlobal industrial and construction projects
TechniqueERW (Electric Resistance Welding)Seamless joints for leak-free performance
Wall ThicknessCustomizable (base: 8 mm)Pressure-resistant systems

Customization guide

Adjust length, wall thickness, or surface treatment (e.g., cold-rolled for smoother finishes) to meet project-specific requirements. Welding services are available for assembly into custom configurations.

Get inspired

With JIS STPG-compliant seamless steel tubes, you can build robust infrastructure for oil refineries, construction frameworks, or industrial machinery. Their ERW construction ensures superior strength, while alloy materials resist corrosion and extreme temperatures.

Choose your model

ParameterBase Model (API N80)Advanced Model (API P110)Pro Model (API L80)
Material GradeAPI N80+20% tensile strength+35% strength
Wall Thickness8 mm9.5 mm11 mm
Corrosion ResistanceStandard+25% improvementPremium coating

Supplier's note

  1. Technical Breakthroughs:

    • ERW Technology: Enables seamless joints, reducing leakage risks by 40% compared to traditional welding.
    • JIS STPG Compliance: Ensures superior ductility and weldability for complex installations.
    • Alloy Materials: API L80-grade steel offers 50% higher pressure tolerance than standard carbon steel.

  2. Optimal Version Selection:

    • Base Model: Ideal for general construction (e.g., scaffolding) where cost efficiency is prioritized.
    • Advanced Model: Suited for oil/gas pipelines requiring +20% higher pressure resistance than industry norms.
    • Pro Model: Best for extreme environments (e.g., offshore drilling) where triple corrosion resistance and +35% strength are critical.

With the Pro version’s API L80 steel, you can safely handle corrosive chemicals in marine systems. Pair its thickened walls with cold-rolled finishes to ensure longevity in harsh conditions.

Frequently asked questions

  • Which seamless steel tube model suits structural projects requiring API N80 grade?

  • How to maintain corrosion resistance in JIS STPG steel pipes?

  • Alloy vs non-alloy steel pipes: Which is better for heavy machinery structures?

  • Can Prosper World customize Seamless Pipes Steel Tube lengths for construction?

  • Are these pipes certified for high-pressure oil & gas applications?

  • Why choose round-section steel pipes for structural frameworks?

  • What’s the difference between hot-rolled vs cold-rolled surface finishes?

  • Do these pipes meet international standards like ASTM or DIN?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Structural Steel PipesConstruction frameworks, building supportsMaterial Grade: Q345 (345 MPa yield strength, EN 10250) ▲ Advanced: Q420 (420 MPa)High strength-to-weight ratio, cost-effective for large-scale projectsLower corrosion resistance without coating (requires additional surface treatment)
API Casing PipesOil/gas drilling, well casingGrade: API N80 (41,500 psi yield, API Spec 5CT) ▲ Advanced: API L80 (52,000 psi)Meets extreme pressure/temperature demands in harsh environmentsHigher cost compared to standard structural pipes due to specialized alloying
ERW Steel PipesPlumbing, HVAC systemsThickness: 3.0–6.0 mm (ISO 3681) ▲ Advanced: 8.0 mm (custom)Cost-efficient production, seamless-like performance for moderate pressuresLimited to lower pressure applications vs fully seamless pipes
Seamless Steel PipesHigh-pressure pipelines, machineryWall Thickness: 6.0–12.0 mm (ASTM A53) ▲ Advanced: 15.0 mm (custom)Zero seam vulnerability, ideal for corrosive/abrasive fluidsHigher material cost and stricter manufacturing tolerances
High-Strength Steel PipesOffshore platforms, heavy machineryGrade: 09Mn2V (500 MPa tensile, GB/T 13793) ▲ Advanced: API X95 (65,000 psi)Enhanced durability in extreme loads and corrosive marine environmentsRequires specialized welding techniques and post-processing
Corrosion-Resistant PipesChemical plants, marine infrastructureCoating: 3-layer polyethylene (3PE, ISO 14653) ▲ Advanced: Zinc-aluminum alloy + 3PETriple protection against chemical corrosion and mechanical abrasionAdditional coating adds weight and requires careful handling during installation

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