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  • Standard Astm A181 Threaded Flange for Pipes
  • Standard Astm A181 Threaded Flange for Pipes
  • Standard Astm A181 Threaded Flange for Pipes
Standard Astm A181 Threaded Flange for Pipes

Standard Astm A181 Threaded Flange for Pipes

  • 100 - 499 Pieces
    $3
  • 500 - 999 Pieces
    $2.90
  • >= 1000 Pieces
    $2.80

Customization:

Customized packaging（Min.Order: 1000 pieces）
View product details

Standard Astm A181 Threaded Flange for Pipes

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Pipe Connections: Threaded design ensures tight, leak-proof seals for pipelines in high-pressure systems, complying with ASTM A181 standards.
  • Forged Durability: Carbon steel construction via forging enhances strength and resistance to mechanical stress, ideal for demanding industrial applications.

Key features

  • 1. Material Technology

    • With forged carbon steel construction, ensure superior strength and durability compared to cast alternatives*. The ASTM A181-compliant material resists corrosion and deformation under harsh industrial conditions.

  • 2. Interactive Design

    • With a precision-machined threaded bore and flat flange face, achieve secure, leak-proof connections in pipe systems. The design simplifies installation and alignment with mating components.

  • 3. Performance Parameters

    • With high-pressure and temperature tolerance ratings, handle demanding applications like HVAC systems and industrial plumbing. Engineered to withstand extreme operational demands.

  • 4. Scenario Solutions

    • Designed for threaded pipe systems in commercial and industrial settings, this flange ensures reliable performance in environments requiring corrosion resistance and structural integrity.

  • 5. Certification Standards

    • With ASTM A181 compliance, meet rigorous industry standards for safety and quality. This certification guarantees compatibility with global engineering specifications.

Product details

Standard Astm A181 Threaded Flange for Pipes

The Standard ASTM A181 Threaded Flange for Pipes is a robust forged carbon steel component designed for high-pressure and corrosive environments. Engineered with ASTM A181 compliance, it ensures durability in industrial applications like HVAC systems, oil & gas pipelines, and chemical processing.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCarbon Steel (ASTM A181 compliant)High-pressure pipelines in industrial settings
Connection TypeThreaded (NPT/BSPT/Metric threads)Quick assembly in HVAC systems
ManufacturingForged constructionWithstanding seismic or vibrational stress
Pressure RatingUp to 3000 psi (207 bar)Oil & gas infrastructure
Temperature Range-20°F to 500°F (-29°C to 260°C)Chemical processing plants

Customization guide

Adjustable thread sizes (1/2" to 4") and types (NPT, BSPT, metric) to meet specific pipe fitting requirements. Custom bore diameters and surface treatments (e.g., zinc plating) are available for enhanced corrosion resistance in marine or offshore environments.

Get inspired

With forged carbon steel construction, you can ensure structural integrity under seismic stress. Pair the ASTM A181 compliance with threaded adaptability to create leak-proof connections in corrosive or high-pressure systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Rating3000 psi+33% (4000 psi)+66% (5000 psi)*
Temperature Range-20°F to 500°F+20% (600°F)+40% (700°F)
Thread CompatibilityStandard NPT/BSPTMulti-standardFully customizable

Supplier's note

  1. Technical Breakthroughs:

    • Forged Carbon Steel: Achieves 20% higher tensile strength than cast alternatives, ensuring longevity in seismic zones.
    • ASTM A181 Compliance: Meets stringent corrosion and pressure standards for chemical-resistant applications.
    • Threaded Precision: 15% tighter tolerances than industry norms, reducing leakage risks.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard plumbing and HVAC systems requiring cost-effective solutions.
    • Advanced Model: Perfect for industrial plants needing multi-standard thread compatibility (e.g., oil refineries with mixed pipe systems).
    • Pro Model: Designed for extreme environments (e.g., deep-sea drilling rigs) where 5000 psi pressure resistance and 700°F heat tolerance are critical. With its customizable threads, it adapts seamlessly to legacy or specialized piping systems.

*Note: Comparative values reflect improvements over the Base Model’s specifications.

Frequently asked questions

  • Which threaded flange model suits high-pressure industrial systems?

  • How does a forged steel threaded flange compare to brass in corrosive environments?

  • Can this threaded flange be customized for non-standard thread sizes?

  • What maintenance is required for threaded flanges in harsh environments?

  • Is the ASTM A181 flange certified for food-grade applications?

  • How does a threaded flange differ from a welded flange in pipe systems?

  • What temperature range can this forged carbon steel flange handle?

  • Which applications are best suited for ASTM A181 threaded flanges?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MaterialCorrosive environments, high-pressure systemsIndustry Standard: Carbon Steel (ASTM A105)
Our Base: Carbon Steel (ASTM A181) ▲ (10% stronger)
Our Advanced: Stainless Steel (316L, ASTM A182) ▲▲▲ (superior corrosion resistance)		Base offers cost-effective durability; Advanced resists harsh chemicals.Base may corrode over time; Advanced higher cost.
Connection TypeSmall-bore piping systems requiring quick assemblyIndustry Standard: Threaded (NPT)
Our Base: Threaded (NPT) ▲ (precision fit)
Our Advanced: Threaded + Teflon Coating ▲▲ (leak-proof seal)		Base ensures secure connections; Advanced prevents leaks.Base may require frequent tightening; Advanced adds cost.
Manufacturing ProcessHigh-stress industrial applicationsIndustry Standard: Cast (ASTM A450)
Our Base: Forged (ASTM A181) ▲▲ (higher strength)
Our Advanced: Forged + Precision Machining ▲▲▲ (tight tolerances)		Base resists deformation; Advanced ensures precision.Base may have casting flaws; Advanced more expensive.
Pressure RatingHigh-pressure pipelines in oil/gas industriesIndustry Standard: Up to 300 psi (cast)
Our Base: 450 psi (forged) ▲▲ (33% higher capacity)
Our Advanced: 600 psi (upgraded) ▲▲▲ (doubles standard capacity)		Base handles industrial pressures; Advanced supports extreme conditions.Base limited to moderate pressures; Advanced requires specialized installation.
Temperature ResistanceHigh-temperature applications (boilers, furnaces)Industry Standard: Up to 500°F (cast)
Our Base: 600°F (forged) ▲ (20% higher tolerance)
Our Advanced: 750°F (special alloy) ▲▲▲ (optimal for extreme heat)		Base operates in hot environments; Advanced withstands intense heat.Base may warp at higher temps; Advanced needs careful handling.
Corrosion ResistanceChemical plants, marine environmentsIndustry Standard: Basic (uncoated carbon steel)
Our Base: Corrosion-Resistant Coating (ASTM A153) ▲ (50% better protection)
Our Advanced: Stainless Steel (316L) ▲▲▲ (immune to most chemicals)		Base reduces rust; Advanced eliminates corrosion.Base coating may wear off; Advanced higher maintenance cost.

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