stainless steel seamless pipe

Feihong Steel Co., Ltd.

Verified Custom manufacturer 6yrs

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Stainless Steel Seamless Pipe Product Attributes

Property	Parameter	Description
Manufacturing Type	Seamless (hot/cold rolled)	Pipes produced without welding seams; superior strength and reliability.
Production Method	Hot extrusion, cold drawing	Hot extrusion for larger sizes; cold drawing for precision and dimensional accuracy.
Material Grade	304, 304L, 316, 316L, 321, 347	Austenitic stainless steel grades with excellent corrosion resistance.
Chromium Content	16 – 20% (grade dependent)	Primary element providing corrosion resistance.
Nickel Content	8 – 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 mm	Comprehensive range from small bore to large diameter.
Wall Thickness	0.3 – 50 mm	Multiple 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 Options	5 m, 6 m, 11.8 m (standard), or custom	Standard lengths or custom cut to specification.
Density	8.0 g/cm³	Mass per unit volume of stainless steel.
Tensile Strength	515 – 620 MPa (304 grade)	Ultimate strength under tension; varies by grade and condition.
Yield Strength	205 – 310 MPa (304 grade)	Stress at which permanent deformation begins.
Modulus of Elasticity	193 GPa	Measures 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°C	Suitable for cryogenic to high-temperature applications.
Corrosion Resistance	Excellent	Superior resistance to pitting, crevice corrosion, and oxidation.
Weld Seam Quality	No seam (seamless)	Absence of welds eliminates potential failure points.
Surface Finish	Polished, Pickled, Mill, Bright	Available finishes; pickled/passivated common for better corrosion resistance.
Standards	ASTM A312, ASTM A213, DIN 17455	Compliance with international seamless pipe standards.
Pressure Rating	150 – 2500+ PSI	Depends on diameter, wall thickness, and grade.
End Finish	Plain, beveled, threaded, flanged	Various end preparations for connection methods.
Weldability	Excellent	Can be welded without pre-heat or post-weld treatment in most cases.
Cost	Higher than welded	Premium pricing due to superior properties and manufacturing process.
Applications	Oil & gas, chemical, pharmaceutical, aerospace	Used in critical applications requiring highest reliability and corrosion resistance.
Hydrostatic Testing	Standard quality assurance	Pressure tested to verify integrity and quality

Stainless Steel Seamless Pipe Product Introduction

Premium Applications of Stainless Steel Seamless Pipe in Critical Systems

The stainless steel seamless pipe represents the highest-performance piping solution for demanding applications requiring maximum strength and reliability. A stainless steel seamless pipe delivers superior pressure ratings and exceptional structural integrity without longitudinal seams, making it ideal for critical industries including aerospace engineering, nuclear power generation, and pharmaceutical processing. These pipes are extensively used in high-pressure hydraulic systems, cryogenic fluid transport, and medical device manufacturing where weld-free construction is mandatory. The stainless steel seamless pipe excels in extreme-temperature applications, corrosive chemical environments, and systems requiring absolute contamination prevention and product purity assurance. Industries such as semiconductor manufacturing, biotech production, and advanced power systems depend on stainless steel seamless pipes for uncompromised performance and regulatory compliance. When specifying stainless steel seamless pipe solutions, engineers prioritize superior pressure capacity, enhanced reliability, and elimination of potential weld defects, making these premium pipes essential investments for safety-critical infrastructure where system failure cannot be tolerated.

Technical Specifications and Manufacturing Standards for Stainless Steel Seamless Tubing

Understanding the advanced manufacturing processes and precise technical parameters of stainless steel seamless pipe ensures optimal material selection for specialized applications. The stainless steel seamless pipe is manufactured through seamless extrusion or rotary piercing techniques, eliminating weld seams and creating homogeneous material throughout the pipe structure. Available diameters for stainless steel seamless pipe range from 0.375 inches to 12 inches, with wall thickness schedules including 10S, 40, 80, and 160, accommodating pressure ratings from standard to ultra-high-pressure classifications. Grade options including 304, 304L, 316, 316L, and 321 allow customers to select appropriate stainless steel seamless pipe variants matching specific corrosion resistance requirements and thermal conditions. Surface finishes such as mill, polished, and passivated options enable selection of stainless steel seamless pipe meeting aesthetic and functional specifications. Strict compliance with ASTM A269, EN 10216-2, and ISO 1127 international standards guarantees exceptional quality, certified pressure ratings, and full material traceability throughout manufacturing and distribution of stainless steel seamless pipe products.

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

The exceptional properties of stainless steel seamless pipe establish it as the premier choice for high-stakes applications demanding maximum reliability and longevity. Superior pressure-holding capacity and absence of weld seams eliminate stress concentration points, enabling stainless steel seamless pipe to withstand extreme internal pressures and dynamic load cycling without failure. A stainless steel seamless pipe maintains perfect mechanical properties across extreme temperature ranges from cryogenic to elevated-temperature environments, supporting specialized applications simultaneously. Its flawless internal surface minimizes fluid turbulence and particle accumulation, making stainless steel seamless pipe essential in pharmaceutical, semiconductor, and medical applications requiring absolute purity and sterility. Enhanced corrosion resistance and weld-free construction ensure exceptional service life in offshore, marine, and chemically aggressive environments where conventional piping materials rapidly deteriorate. Companies investing in stainless steel seamless pipe infrastructure realize significant competitive advantages including enhanced system safety, regulatory compliance assurance, extended operational lifespan, reduced maintenance requirements, and superior performance reliability compared to welded alternatives in critical-service and high-performance applications.

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Feihong Steel Co., Ltd.

Manufacturer, Trading Company · 6 yrs on Sinoali.com

Located in China

Company overview

Year Established

2010

On-time delivery rate

100.0%

Online revenue

100.0%

Plant Area

>=2000m²

number of employees

Response Time

<=4h

Company information More goods

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

Same product at rock bottom price

1215$ ≥1179Ton Base price

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