Adinox Overseas is a trusted Stainless Steel 304 Seamless & Welded Pipes Spools manufacturer, delivering precision-engineered piping solutions that meet international quality standards. These pipe spools are widely used in oil & gas, petrochemical, power generation, and industrial processing plants due to their excellent strength, durability, and corrosion resistance. Our manufacturing process ensures uniform dimensions, smooth surface finish, and superior weld integrity for long-term performance.

Table Of Contents

• SS 304 Seamless & Welded Pipes Spools Specification Chart
• SS 304 Seamless & Welded Pipes Spools Chemical Composition
• SS 304 Seamless & Welded Pipes Spools Mechanical Properties
• Application Of Industries
• People Also Search

As an experienced Stainless Steel 304 Seamless & Welded Pipes Spools exporter, Adinox Overseas supplies products to global markets with strict compliance to ASTM, ASME, and DIN specifications. Stainless Steel 304 offers outstanding resistance to oxidation and chemical corrosion, making these pipe spools suitable for high-temperature and pressure applications. Each spool undergoes rigorous inspection and testing to ensure reliability in demanding operating conditions.

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Being one of the most reliable Stainless Steel 304 Seamless & Welded Pipes Spools suppliers, we provide customized solutions to meet specific project requirements. Our pipe spools are available in various diameters, wall thicknesses, and configurations to suit complex piping systems. With excellent formability and weldability, Stainless Steel 304 pipe spools ensure easy installation and reduced maintenance costs across industries.

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Adinox Overseas is also recognized among leading Stainless Steel 304 Seamless & Welded Pipes Spools stockists, maintaining a ready inventory for fast delivery. Our strong supply chain and large stock capacity allow us to fulfill bulk and urgent orders efficiently. These pipe spools are widely used in refineries, chemical plants, marine applications, and water treatment facilities.

Specifications Of Stainless Steel 304 Seamless & Welded Pipes Spools

Material Grade	Stainless Steel 304 (AISI 304 / UNS S30400 / WNR 1.4301)
Product	Pipe Spools (fabricated from seamless or welded stainless steel pipes and fittings)
Applicable Standards (typical)	ASTM A312 (Seamless & Welded Austenitic SS Pipes), ASTM A182 (Forged Fittings & Flanges), ASME B36.10 / B36.19 (Pipe Sizes), ASME B16.9 / B16.11 / B16.5 (Fittings & Flanges)
Size Range (NPS)	½" – 24" (larger sizes on request)
Schedules	Sch 5S, 10S, 20, 40 / 40S, 80 / 80S, 160, XXS (as per design)
Pipe Type	Seamless / ERW / EFW (as specified)
End Connections	Plain End (PE), Beveled End (BE), Threaded (NPT/BSP), Flanged, as per design
Fabrication	Cutting, fit‑up, welding, beveling, pickling/passivation, hydrotest as required
Welding	SMAW / GTAW (TIG) / GMAW (MIG), qualified WPS/PQR & certified welders
Heat Treatment	Solution annealed (typical for 304) and water quenched, if required by spec
NDT & Inspection (typical)	Visual, dimensional, hydrotest, radiography / DPI / PMI as per client spec
Corrosion Protection	Pickled & passivated, end caps, wrapping & packaging for shipment

Chemical Composition for Stainless Steel 304 Seamless & Welded Pipes Spools

Element	C	Mn	Si	P	S	Cr	Ni	N
Content (% by weight)	≤ 0.08	≤ 2.00	≤ 1.00	≤ 0.045	≤ 0.030	18.0 – 20.0	8.0 – 11.0	≤ 0.10

Mechanical Properties Of Stainless Steel 304 Seamless & Welded Pipes Spools

Property	Value (Metric)	Value (Imperial)	Remarks
Tensile Strength, min.	515 MPa	75 ksi	Longitudinal, at room temperature
Yield Strength, 0.2% offset, min.	205 MPa	30 ksi	Longitudinal, at room temperature
Elongation in 50 mm (2 in.), min.	35 %	35 %	Gauge length 50 mm (2 in.), longitudinal
Modulus of Elasticity (approx.)	193 GPa	28 × 106 psi	At 20 °C
Density (approx.)	7.9 g/cm³	0.285 lb/in³	For austenitic stainless steels
Hardness (typical, annealed)	≤ 201 HB	≈ 92 HRB	Reference value; check project specification

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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