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seamless stainless steel pipe

Feihong Steel Co., Ltd.
Verified Custom manufacturer · 6 yrs · CN China
Customizable Rock-bottom price
$1200 ≥800 Ton Base price
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 Ton

Shipping total: To be negotiated

Subtotal of goods US$ 1,200.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

Product details

Seamless Stainless Steel Pipe Product Attributes

PropertyParameterDescription
Manufacturing TypeSeamless (hot/cold rolled)Pipes produced without welding seams; superior strength and integrity.
Production MethodHot extrusion, cold drawingHot extrusion for larger sizes; cold drawing for precision and dimensional accuracy.
Material Grade304, 304L, 316, 316L, 321, 347Austenitic stainless steel grades with excellent corrosion resistance.
Chromium Content16 – 20% (grade dependent)Primary element providing corrosion resistance.
Nickel Content8 – 14% (for austenitic grades)Enhances corrosion resistance and formability.
Carbon Content≤ 0.08% (standard), ≤ 0.03% (L-grade)Low carbon improves weldability; L-grades resist intergranular corrosion.
Outer Diameter (OD)5.8 mm – 508 mmComprehensive range from small bore to large diameter applications.
Wall Thickness0.3 – 50 mmMultiple thicknesses available for various pressure ratings.
Tolerance (OD)±0.3 – 0.5 mm (tighter than welded)Superior dimensional accuracy due to seamless manufacturing.
Tolerance (WT)±5 – 10%Precise wall thickness control during production.
Length Options5 m, 6 m, 11.8 m (standard), or customStandard lengths or custom cut to specification.
Density8.0 g/cm³Mass per unit volume of stainless steel.
Tensile Strength515 – 620 MPa (304 grade)Ultimate strength under tension; varies by grade and condition.
Yield Strength205 – 310 MPa (304 grade)Stress at which permanent deformation begins.
Modulus of Elasticity193 GPaMeasures stiffness and rigidity of the material.
Elongation≥ 40% (annealed)Ductility after annealing process.
Hardness≤ 217 HV (annealed)Rockwell B scale: 70-80; measured in Vickers hardness units.
Operating Temperature-196°C to +870°CSuitable for cryogenic to high-temperature applications.
Corrosion ResistanceExcellentSuperior resistance to pitting, crevice corrosion, and oxidation.
Weld Seam QualityNo seam (seamless)Absence of welds eliminates potential failure points and weak zones.
Surface FinishPolished, Pickled, Mill, BrightAvailable finishes; pickled/passivated common for enhanced corrosion resistance.
StandardsASTM A312, ASTM A213, DIN 17455Compliance with international seamless pipe standards.
Pressure Rating150 – 2500+ PSIDepends on diameter, wall thickness, and grade.
End FinishPlain, beveled, threaded, flangedVarious end preparations for different connection methods.
WeldabilityExcellentCan be welded without pre-heat or post-weld treatment in most cases.
CostHigher than weldedPremium pricing due to superior properties and manufacturing process.
Hydrostatic TestingStandard quality assurancePressure tested to verify integrity and quality.
ApplicationsOil & gas, chemical, pharmaceutical, aerospaceUsed in critical applications requiring highest reliability.
Heat TreatmentAnnealing standardImproves ductility and corrosion resistance.
Surface DefectsMinimal to noneSuperior surface quality due to seamless manufacturing.
Internal QualitySuperior consistencyNo internal weld seams; homogeneous material structure throughout.
Fatigue ResistanceExcellentSuperior performance under cyclic loading conditions.

Seamless Stainless Steel Pipe Product Introduction

Superior Applications of Seamless Stainless Steel Pipe in High-Performance Systems

The seamless stainless steel pipe represents the ultimate piping solution for demanding applications requiring exceptional strength, purity, and reliability without weld seams. A seamless stainless steel pipe delivers superior pressure ratings and structural integrity across critical industries including aerospace manufacturing, pharmaceutical processing, and nuclear power generation. High-performance applications including cryogenic fluid transport, ultra-high-pressure hydraulic systems, and medical device manufacturing depend on seamless stainless steel pipes for weld-free construction ensuring absolute reliability. The seamless stainless steel pipe excels in applications where weld defects pose safety risks or where product contamination through microstructural discontinuities cannot be tolerated. Industries such as semiconductor fabrication, biotech production, and advanced research facilities specify seamless stainless steel pipes when absolute material purity and structural integrity are mandatory requirements. When selecting seamless stainless steel pipe solutions, engineers prioritize elimination of weld-related failure points, superior pressure capacity, and enhanced reliability, making these premium pipes essential investments for safety-critical applications where system failure creates unacceptable operational or safety consequences.

Metallurgical Properties and Technical Specifications for Seamless Stainless Steel Tubing

Understanding the advanced manufacturing processes and precise technical parameters of seamless stainless steel pipe ensures optimal material selection for specialized high-performance applications. The seamless stainless steel pipe is manufactured through seamless extrusion, rotary piercing, or rotary expansion techniques, creating homogeneous material structures without longitudinal weld seams. Available diameters for seamless stainless steel pipes range from 0.375 inches to 14 inches, with wall thickness schedules including 10S, 40, 80, and 160, accommodating pressure ratings from standard to ultra-high-pressure classifications. The seamless stainless steel pipe is offered in grades including 304, 304L, 316, 316L, 321, and duplex variants, enabling selection of appropriate material compositions for specific corrosion resistance and thermal requirements. Tensile strength characteristics for seamless stainless steel pipe maintain exceptional mechanical properties across wide temperature ranges from cryogenic to elevated-temperature conditions. Strict compliance with ASTM A269, EN 10216-2, and ISO 1127 international standards guarantees certified pressure ratings, documented mechanical properties, and complete material traceability throughout manufacturing of seamless stainless steel pipe products.

Performance Advantages and Strategic Industry Applications of Seamless Stainless Steel Piping Solutions

The exceptional properties of seamless stainless steel pipe establish it as the premier choice for critical-service applications demanding maximum reliability and extended service life. Superior pressure-holding capacity and absence of weld seams eliminate stress concentration points, enabling seamless stainless steel pipe to withstand extreme internal pressures and dynamic load cycling without failure initiation. A seamless stainless steel pipe maintains flawless mechanical properties across extreme temperature ranges from cryogenic environments to high-temperature steam applications, supporting diverse operational scenarios simultaneously. Its perfectly smooth internal surface and weld-free construction make seamless stainless steel pipe essential in pharmaceutical, semiconductor, and medical applications requiring absolute purity, sterility assurance, and contamination prevention. Enhanced corrosion resistance in seamless stainless steel pipe combined with weld-free construction ensures exceptional service life in offshore, marine, and chemically aggressive environments where conventional materials rapidly deteriorate. Companies investing in seamless stainless steel pipe infrastructure for critical applications achieve measurable competitive advantages including enhanced system safety, regulatory compliance assurance, extended operational lifespan, minimized maintenance requirements, and superior performance reliability compared to welded alternatives in aerospace, pharmaceutical, and safety-critical industrial applications.

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Feihong Steel Co., Ltd.

6 yrs on Sinoali.com

Located in China

Product Display

After more than a decade of continuous investment and innovation, Feihong Steel Co., Ltd. has now developed into a leading enterprise in the industry with a complete industrial chain, a wide range of product specifications, prompt supply, excellent product quality, strong industry influence and good social reputation. Currently, our products are mainly sold to the eastern region of China and over 40 countries and regions, such as Southeast Asia, South Asia, West Asia, Eastern Europe, South America, etc. Our stainless steel series products have consistently ranked among the top in China for many years.

Customizable Rock-bottom price
$1200 ≥800 Ton Base price
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 Ton

Shipping total: To be negotiated

Subtotal of goods US$ 1,200.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

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