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  • SCM440 Japanese Tubes High Tensile Strength Seamless Alloy Steel Tubes
  • SCM440 Japanese Tubes High Tensile Strength Seamless Alloy Steel Tubes
  • SCM440 Japanese Tubes High Tensile Strength Seamless Alloy Steel Tubes
  • SCM440 Japanese Tubes High Tensile Strength Seamless Alloy Steel Tubes
  • SCM440 Japanese Tubes High Tensile Strength Seamless Alloy Steel Tubes
SCM440 Japanese Tubes High Tensile Strength Seamless Alloy Steel Tubes

SCM440 Japanese Tubes High Tensile Strength Seamless Alloy Steel Tubes

$1.50-$2.50/ Kilogram|3 Kilogram/Kilograms(Min. Order)
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SCM440 Japanese Tubes High Tensile Strength Seamless Alloy Steel Tubes

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High Tensile Strength: Made of SCM440 alloy steel, engineered for applications requiring exceptional durability and pressure resistance, such as fluid transportation in industrial systems.
  • Seamless Construction: Designed to ensure leak-proof performance and structural integrity in high-stress environments, with a precision tolerance of 1% for consistent quality.

Key features

  • 1. Material Technology: High-Tensile Alloy Steel with Cold Worked Finishing

    • With SCM440 alloy steel and cold drawn/cold rolled surface treatment, achieve exceptional tensile strength and corrosion resistance. This combination outperforms standard carbon steel in durability and longevity, ideal for harsh industrial environments.*

  • 2. Precision Engineering: Seamless Construction with 1% Tolerance

    • With seamless design and ±1% dimensional tolerance, ensure leak-proof fluid transport and compatibility with high-precision machinery. Outperforms welded pipes in structural integrity and pressure resistance.*

  • 3. Performance Parameters: Thick-Wall Design for High-Pressure Applications

    • With thick-wall construction (special pipe designation), handle extreme pressure loads in fluid systems. Suitable for heavy-duty industrial use, surpassing thin-walled alternatives in safety and reliability.*

  • 4. Scenario Solutions: Versatile Fluid Pipe for Harsh Environments

    • Designed for fluid piping in industries like oil, gas, and manufacturing, these tubes withstand corrosive fluids and temperature fluctuations. Ideal for continuous commercial use compared to consumer-grade pipes.*

  • 5. Certification Standards: ANSI/ASTM Compliance for Global Use

    • Certified to ANSI and ASTM standards, ensuring adherence to international quality benchmarks. Trusted for industrial projects requiring regulatory compliance, unlike non-certified alternatives.*

Product details

SCM440 Japanese Tubes High Tensile Strength Seamless Alloy Steel Tubes

The SCM440 Japanese seamless alloy steel tubes are engineered for high-performance applications requiring superior tensile strength and precision. Crafted from ASTM-compliant alloy steel, these tubes feature a cold-drawn and cold-rolled finish, ensuring durability in fluid systems, hydraulic machinery, and industrial infrastructure. Available in three sizes (thick-wall variants) with 1% tolerance, they meet ANSI and ASTM standards for reliability.

Technical specifications

FeatureSpecificationBenefit
MaterialAlloy Steel (ASTM A511)High tensile strength and corrosion resistance
Grade10# (SCM440 Japanese Standard)Optimized for structural and fluid applications
Wall ThicknessThick-wall designWithstands high-pressure fluid systems
Tolerance±1%Ensures precise fit in complex machinery
Surface TreatmentCold rolledSmooth finish for seamless integration
StandardsANSI, ASTMIndustry-recognized quality assurance
TechniqueCold drawn + cold rolledEnhanced strength and dimensional accuracy
ApplicationFluid pipe, hydraulic systemsIdeal for demanding industrial use

Customization guide

Adjustable parameters include length (cut-to-size service) and wall thickness to meet specific pressure requirements. For custom diameters or surface treatments, contact our engineering team for tailored solutions.

Get inspired

With their corrosion-resistant alloy steel construction and precision tolerances, these tubes excel in high-stress environments like automotive cooling systems, oil pipelines, or aerospace components. Their thick walls ensure reliability even under extreme conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Tensile Strength750 MPa+20% (900 MPa)*+35% (1015 MPa)*
Corrosion ResistanceASTM A53 Grade BASTM A53 Grade CCustom coating (+40%)
Wall Thickness3-5mm5-8mm8-12mm
Tolerance±1.5%±1%±0.5%*

Supplier's note

  1. Key Technical Breakthroughs:

    • SCM440 Alloy Steel: Delivers 20% higher tensile strength than ASTM A53, enabling use in heavy machinery.
    • Precision Tolerance: ±0.5% in the Pro Model ensures flawless assembly in precision tools.
    • Cold-Drawn Process: Achieves a 30% smoother surface finish compared to hot-rolled alternatives.

  2. Version Selection Guide:

    • Base Model: Suitable for general fluid systems (e.g., residential plumbing) where cost-efficiency is prioritized.
    • Advanced Model: Ideal for corrosive environments (e.g., marine applications) with enhanced wall thickness for pressure resistance.
    • Pro Model: Engineered for aerospace or industrial equipment requiring extreme durability and tight tolerances. With its tripled corrosion resistance vs. industry benchmarks, it safeguards critical systems in harsh chemical processing plants.

Frequently asked questions

  • Which SCM440 alloy steel tube grade is best for high-pressure fluid systems?

  • How do I maintain SCM440 alloy steel tubes to prevent corrosion?

  • What are the advantages of SCM440 alloy steel over carbon steel for fluid pipes?

  • Can SCM440 tubes be customized to fit specific project dimensions?

  • Are SCM440 tubes ASTM and ANSI certified for industrial use?

  • Which tube size suits high-temperature fluid applications?

  • What’s the tolerance range for SCM440 tubes, and why is it important?

  • Can these tubes be welded for custom fluid pipe assemblies?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High Tensile Alloy Steel Tubes (SCM440)High-pressure fluid systems, automotive/aerospaceTensile Strength: 700 MPa (▲▲ vs Industry Standard)Superior strength for extreme loads, 1% tolerance (ISO 286-2) ▲▲Higher cost, requires specialized fabrication tools
Standard Seamless Steel Tubes (ASTM A519 Grade 10)General fluid transport, low-pressure systemsTensile Strength: 450 MPaCost-effective, widely availableLower durability, 2-3% tolerance (less precise)
Galvanized Steel PipesOutdoor/abrasive environments, corrosion-prone areasZinc Coating Thickness: 85 µm (ASTM A153)Enhanced corrosion resistance, durable finishHeavier, potential coating wear in abrasive use
Stainless Steel Pipes (304/316)Chemical plants, marine/oil industriesCorrosion Resistance: Passes ASTM G48 (▲ vs Alloy Steel)Hygienic, withstands harsh chemicalsLower tensile strength (580 MPa), higher cost
Thick-Walled Steel TubesHigh-pressure hydraulic systems, structural supportsWall Thickness: Up to 25mm (▲▲ vs Standard 6mm)Withstands extreme pressures, structural rigidityLimited availability, requires custom machining
Cold Drawn Steel TubesPrecision machinery, automotive componentsSurface Finish: Cold drawn (Ra ≤ 2.5 µm ▲▲)Smooth surface for tight tolerances, enhanced fatigue resistanceHigher cost than hot-rolled, size limitations

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