Adinox Overseas is a reputed Stainless Steel 304H Pipes Spools manufacturer, delivering engineered solutions that meet demanding industrial requirements. Designed with higher carbon content, these pipe spools provide enhanced tensile strength and excellent resistance to elevated temperatures. They are widely used in refineries, chemical processing units, power plants, and heat exchanger systems where durability and performance are critical.

Table Of Contents

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

As an experienced Stainless Steel 304H Pipes Spools exporter, Adinox Overseas supplies precision-fabricated spools that conform to international standards such as ASTM, ASME, and DIN. Each spool is manufactured with strict quality control to ensure dimensional accuracy, smooth surface finish, and long service life. Our export-grade products are trusted by global clients for their consistency and reliability in harsh operating environments.

Stainless Steel 304H Pipes Spools Stainless Steel 304H Pipes Spools Manufacturers, Stainless Steel 304H Pipes Spools Suppliers, Stainless Steel 304H Pipes Spools Stockists, Stainless Steel 304H Pipes Spools Exporters

Being reliable Stainless Steel 304H Pipes Spools suppliers, we focus on delivering customized solutions based on project-specific requirements. Whether it is small-batch fabrication or bulk industrial supply, our pipe spools are available in varied diameters, wall thicknesses, and configurations. The superior chromium and nickel composition ensures excellent oxidation resistance and structural stability at high temperatures.

Stainless Steel 304H Pipes Spools in India, Stainless Steel 304H Pipes Spools Manufacturers in India, Stainless Steel 304H Pipes Spools Suppliers in India, Stainless Steel 304H Pipes Spools Stockists in India, Stainless Steel 304H Pipes Spools Exporters in India

Adinox Overseas is also among the leading Stainless Steel 304H Pipes Spools stockists, maintaining ready inventory to support urgent project timelines. Our stocked pipe spools undergo thorough inspection to guarantee compliance with mechanical and chemical specifications. This allows us to offer quick dispatch without compromising on product quality or traceability documentation.

Specifications Of Stainless Steel 304H Pipes Spools

Material Grade	Stainless Steel 304H (AISI 304H / UNS S30409 / WNR 1.4948)
Product	Pipe Spools (fabricated from seamless or welded stainless steel 304H pipes and fittings)
Material Description	High‑carbon austenitic stainless steel for high‑temperature service; improved creep strength vs 304/304L
Applicable Standards (typical)	ASTM A312 (Seamless & Welded Austenitic SS Pipes, Grade TP304H), 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 and rapidly cooled; heat treatment as per ASTM / design code for high‑temperature service
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 304H Pipes Spools

Element	C	Mn	Si	P	S	Cr	Ni	N
Content (% by weight)	0.04 – 0.10	≤ 2.00	≤ 1.00	≤ 0.045	≤ 0.030	18.0 – 20.0	8.0 – 11.0	≤ 0.10

Mechanical Properties Of Stainless Steel 304H 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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